“The Maker’s Chest took the time to actually call me to check in… I’ve purchased some REALLY high-dollar equipment in the last 30 years. They will have my business forever.”
45-min live video call with an OMTech technician — get set up smoothly
★★★★★
“I have never experienced customer service at this level with ANY other company serving ANY other market. … Fellow business owners, buy from The Makers Chest with confidence.”
Jeff S. · Business owner · Haotian MOPA laserGoogle review →
The Maximum-Power Pro 3655 — For Shops That Need Every Watt at Large-Format Scale.
The OMTech Pro 3655 150W is the highest-power configuration in the Pro 3655 series — a 150W CO2 laser cutting and engraving machine with a 35.4" × 55.1" working area, built-in TEYU RMCW-5200 water chiller, X/Y hybrid servo motors, 1200 mm/s maximum engraving speed, and autofocus.
Built for production shops, sign businesses, fabrication studios, and small manufacturers who want the full platform with maximum cutting headroom on the thickest and densest CO2-compatible materials in their daily workflow.
Compatible Materials:
Wood
MDF/Plywood
Leather
Plastics
Fabric
Stone
Coated Metals
Glass
150W vs 130W — Why the Highest Power Option Exists
The OMTech Pro 3655 platform is identical between the 130W and 150W configurations: same 35.4" × 55.1" working area, same built-in TEYU chiller, same X/Y hybrid servo motors, same 1200 mm/s maximum engraving speed, same autofocus, same 4-way pass-through, same safety systems, same software compatibility.
The 150W model provides higher laser output for users who want stronger cutting capability or additional processing headroom on thicker or denser materials.
Where 150W versus 130W actually matters:
Thicker single-pass cuts. The upper end of CO2-compatible cutting thickness — 18–22mm dense hardwood, thick plywood, 20–25mm acrylic — is where 150W output provides cleaner single-pass cutting and faster processing than 130W. For a shop whose daily production rarely includes material at this upper thickness range, 130W covers the requirement efficiently. For a shop that regularly processes at the thick end of the material range, 150W provides the power margin that keeps those cuts fast and clean.
Sustained production headroom. At 150W, the machine operates at a lower percentage of maximum output during typical production loads — which means more consistent output across long sessions and more reserve for demanding materials when they appear in the daily mix.
Future-proofing for expanded material range. For a shop anticipating growth into thicker material processing as the business scales, starting at 150W eliminates the need to revisit this decision later.
If your typical cutting range stays at 12mm and under on most materials, the 130W is the practical choice. If you regularly push into 15–22mm dense materials, the 150W is the right specification. Our team can help you assess this based on your actual job types before you order.
Built-In TEYU RMCW-5200 Water Chiller — The Production Infrastructure Decision Already Made
At 150W, water cooling is not optional — it's the requirement that protects the laser tube and maintains consistent output during production operation. The standard approach for most large-format CO2 lasers at this power level: purchase a compatible external chiller separately, route water lines, manage two systems.
The Pro 3655 150W includes a TEYU RMCW-5200 water chiller integrated into the machine — one of the most respected industrial CO2 laser chiller brands used across professional production environments globally.
No separate chiller purchase. The cooling infrastructure cost is included in the machine price — total investment is known upfront.
No external connections to configure. Water lines are pre-routed inside the machine as a factory-integrated system. Installation is the machine itself, not a multi-component assembly.
No independent monitoring. The integrated chiller operates as part of the machine system — not as a separately maintained piece of equipment running on its own startup sequence.
For a business equipping a professional production laser station, this is the infrastructure decision the machine makes for you — eliminating a category of setup complexity and ongoing maintenance management.
X/Y Hybrid Servo Motors — Professional-Grade Motion at 150W Output
Standard CO2 laser engravers use stepper motors. For the production scale and power level of the Pro 3655 150W, stepper motors are not the right motion system.
The X/Y hybrid servo motors in the Pro 3655 150W provide:
Closed-loop position feedback. Servo motors continuously monitor and correct position deviations during operation — maintaining mark quality consistency across the full 35.4" × 55.1" field at 1200 mm/s. Corner marks and center marks perform at the same standard.
Higher acceleration and faster direction changes. Servo acceleration allows the machine to approach the 1200 mm/s maximum speed rating across more of each engraving pass — including on complex artwork, tight patterns, and detailed fills where lower-G stepper systems decelerate significantly.
Sustained performance across production shifts. Servo motors maintain consistent output across 6–8 hour production runs where stepper motors can show thermal effects at high duty cycles.
Embedded guide rails in both axes provide stable movement and even load distribution at high speed — the mechanical foundation that allows the servo system to operate at specification consistently across the machine's production life.
At 150W cutting and engraving on a 35" × 55" field, the quality of the motion system directly determines whether the machine's power and bed size translate into high-quality production output or just high numbers on a spec sheet.
35.4" × 55.1" + 4-Way Pass-Through — No Project Size Has a Hard Limit
The 35.4" × 55.1" (900 × 1400mm) working area positions the Pro 3655 150W in the large-format production category — and the 4-way pass-through extends that capacity to unlimited-length flat material.
Near-full-sheet coverage in one setup. Standard 4-foot × 8-foot plywood, MDF, and acrylic process with minimal repositioning — most of a full sheet fits within the Pro 3655's 55" length and 35" width.
Large individual pieces without splitting. Commercial sign panels, architectural display components, full-size award plaques, and oversized decorative pieces complete in a single setup.
High-density batch nesting. At 35.4" × 55.1", batch layouts fit significantly more pieces than 20" × 28" machines — fewer load cycles, more output per shift.
4-way pass-through (front, back, and both sides) handles material that exceeds even this large bed in length or width — continuous strips, long lumber, and extended panels process without removing the material from the machine.
Autofocus, Air Assist, Red Dot, and Production Safety
Autofocus handles focal height adjustment automatically — place the material, trigger autofocus, and the machine is ready. For a large-bed machine where materials of varying thickness cycle through throughout a production day, autofocus eliminates the manual calibration step that would otherwise occur dozens of times per shift.
Air assist continuously clears debris and cools the focus lens during cutting — protecting the optic and maintaining cut quality across extended sessions at 150W. The air pressure sensor monitors air flow and triggers an alarm if pressure drops below the set threshold — catching a potential cut quality problem before it becomes a batch of rejected parts.
Red dot guidance marks the laser origin position visually before the job fires — confirming placement on large panels without material waste.
3-color indicator light — blue standby, green active, red error — visible from across the production floor
Mechanical and magnetic interlocks — cut power when the cover opens during operation
External industrial fan — removes gases and debris from the work area during sustained cutting.
LightBurn + RDWorks — Professional Software for Professional Output
The Pro 3655 150W supports RDWorks V8 and LightBurn — the two most widely used professional CO2 laser control software platforms. LightBurn (a LightBurn license is included free with this machine, courtesy of The Maker’s Chest) is the preferred production interface for most users, with native macOS/Linux support in addition to Windows, stronger material library community, and better camera/array workflow tools.
Data transmission: WiFi and USB cable — WiFi for flexible shop placement, USB for direct reliable connection.
11,000-hour estimated laser tube service life — extended when operated at lower power settings. FDA certified. 2-year machine warranty.
The Maker's Chest Difference
The OMTech Pro 3655 150W is available from OMTech directly and from other resellers. Here's what changes when you order through The Maker's Chest:
🛡️ 75-day returns — significantly longer than OMTech's direct return window. Enough time to receive and install the machine, run your actual large-format production loads, confirm the 150W output and built-in chiller perform for your specific workflow, and make a fully informed decision before you're committed
🇺🇸 Expert USA-based technical support — our team can help with LightBurn and RDWorks setup, servo motor calibration, chiller monitoring, autofocus calibration, air assist configuration, and any production issues that arise during ramp-up
📞 Dual lines of support — phone and email, so when production is running and something needs attention, you have a direct path to a real person
🔧 Straight configuration guidance — 150W or 130W Pro 3655? Not sure which power level is right for your typical material thicknesses and daily volume? Tell us what you process most often and we'll give you a direct recommendation before you order
Frequently Asked Questions About OMTech Pro 3655 150W CO2 Laser Cutter and Engraver
Q: What's the meaningful difference between the 130W and 150W Pro 3655? A: Platform, bed size, servo motors, chiller, autofocus, 4-way pass-through, safety systems, and software are identical. The 150W provides higher laser output for users who want stronger cutting capability or additional processing headroom on thicker or denser materials. The practical difference shows at 15mm+ material thickness, where the 150W maintains cleaner single-pass cutting and faster throughput on dense hardwood, thick MDF, and heavy acrylic. For shops whose regular cutting range stays under 12–14mm, 130W is an efficient starting point. For shops that regularly process into thicker ranges, 150W is the correct specification.
Q: Is the water chiller actually built in, or is it a separate external unit? A: The TEYU RMCW-5200 water chiller is genuinely integrated into the machine as a factory-installed component — water lines are pre-routed inside the cabinet. No separate purchase, no external unit, no additional installation. This is one of the most significant practical advantages of the Pro 3655 over competing large-format CO2 machines at this power level.
Q: What is the laser tube service life? A: 11,000 hours estimated service life — extended when consistently operated at lower power settings. At 8 hours daily, 250 working days per year, that's approximately 5.5 years of rated tube life. The 150W tube is 72.8" long and 80mm diameter — the largest tube in the Pro 3655 lineup, supporting the stable resonant cavity needed for consistent 150W output under production loads.
Q: Why do servo motors matter at this machine class? A: X/Y hybrid servo motors provide closed-loop position feedback, correcting for deviation in real time during high-speed operation. On a 35.4" × 55.1" machine at 1200 mm/s, this translates to consistent mark quality across the full field — corner marks perform at the same standard as center marks — and more representative real-world throughput near the rated speed than stepper-motor machines at equivalent specifications.
Q: What materials can it cut and engrave? A: Engraving: Wood, acrylic, leather, glass, MDF/plywood, rubber, paper, fabric, marble, foam, fiberglass, and treated or coated metals. Cutting: Wood, acrylic, MDF/plywood, leather, rubber, paper, fabric, and foam. Cannot cut bare sheet metal.
Q: What are the installation requirements? A: Weight: 1,190 lbs. (540 kg). Dimensions: 82.7" × 65.7" × 42.3". Ships via freight — liftgate delivery required. Confirm floor load capacity, installation space, pass-through clearance, and exhaust duct access before delivery. Contact our team for pre-delivery planning guidance before placing your order.
Q: Is LightBurn compatible? A: Yes — LightBurn is compatible and is the preferred production software for most users. A LightBurn license is included free with this machine, courtesy of The Maker’s Chest. Runs natively on Windows, macOS, and Linux.
Q: Why buy from The Maker's Chest instead of directly from OMTech? A: Our 75-day return window gives you real production evaluation time — enough to install the machine, run large-format production loads, and confirm the 150W Pro 3655 performs as required before you're committed. Our USA-based expert support team is reachable by phone and email for LightBurn and RDWorks setup, servo motor calibration, chiller monitoring, and production troubleshooting. If you're choosing between 130W and 150W, we'll give you a straight answer based on your specific material range.
Specifications
OMTech Pro 3655 150W CO2 Laser Cutter and Engraver Specifications:
Specification
Official Information
Color
Silver-Black, Blue
Dimensions (L × W × H)
82.7 × 65.7 × 42.3 in.
Working Area
35.4 × 55.1 in.
Rated Power
150W
Estimated Laser Service Life
11,000 hr
Max. Engraving Speed
1200 mm/s
Laser Tube Length
72.8 in. / 1850 mm
Laser Tube Diameter
3.2 in. / 80 mm
Compatible Software
RDWorks V8, LightBurn (included free by The Maker’s Chest)
Data Transmission
WiFi, USB Cable
Certification
FDA
Net Weight
1190 lb. / 540 kg
Warranty & Manuals
OMTech Pro 3655 150W CO2 Laser Cutter and Engraver Details:
OMTech Pro 3655 150W CO2 Laser Cutter and Engraver comes with a 2-year warranty on the laser machines.
100% money back guarantee (minus shipping and handling costs) if you return your unit in like-new condition within 75 days of the ship date.
Dedicated, local US-based support for quick answers to questions.
OMTech Pro 3655 150W CO2 Laser Cutter and Engraver Product Manuals:
Click the links below to download product manuals for OMTech Pro 3655 150W CO2 Laser Cutter and Engraver
OMTech Pro 3655 150W CO2 Laser Cutter and Engraver Product Manual Downloads:
OMTech Pro 3655 150W CO2 Laser Cutter and Engraver Product Manual Download
Shipping
We offer FREE Shipping* throughout the 48 contiguous United States! Yes, no hidden costs at checkout!
*This is with the exception of the following brands of products at the moment, on which we DO have to charge shipping:
BOFA Fume Extractor and Replacement Filters
Carbide 3D CNC Routers
Crio DTF Printers
Filtrabox Fume Extractors and Replacement Filters
FumeDog Fume Extractors
GravoTech Laser Engravers
Maxce IndexX Laser Marking Production Table
OneLaser X Series
OneLaser Hydra Series
PiBurn Laser Rotary Accessories
Sunstone Welders and Accessories
THEO Laser Welders
Summary
Order cutoff: 5pm PST
Order handling: 1-3 days
Order transit: 3-7 days
Free shipping to the contiguous United States
Order Confirmation & Dispatch As soon as you place an order with us you'll receive an order confirmation email, and we'll get working to have your order dispatched as soon as we can.
Typically, we'll dispatch your order within 1 business day, however this can vary depending on the product and our warehouses, so please allow up to 3 business days.
Once your order has dispatched from our warehouse, you'll receive shipping confirmation within 24 hours of your order leaving our warehouse.
General Delivery Timeframes Delivery timeframes will vary dependent on your location and the items you've ordered.
In general, these are the delivery timeframes you can expect:
1-7 Business Days - Delivery within the contiguous United States
The above is intended to be used as a guide, and may not apply in all cases. Some products may have specific 'Delivery Timeframe' information, which can be found on its own tab, or on the main 'Description' tab of the product.
Home Delivery (Bulky Items)
This service is generally for products over 40kg in weight, as it is a requirement for these products to be palletised for delivery.
This service utilises power tailgates with two-man crews or crane trucks when required and this is included in the quoted price.
The receiver will be contacted prior to delivery to arrange a suitable delivery date and time. Deliveries are scheduled for either an AM or PM slot on any given day.
Delivery is to front car port, driveway, doorstep or wherever practical depending upon site access. Drivers are not permitted to move item(s) within the residence or around the property due to OHS reasons.
This service assumes reasonable and safe access to the site is available. Overhanging trees, steep driveways, unsealed driveways, narrow driveways or streets or an unforeseen obstruction may deem the delivery unavailable.
If your delivery address is in a regional or remote location, we recommend shipping to the nearest depot as the most affordable option.
Other Terms & Conditions
If you happen to miss the delivery, you will be required to pick up your item(s) from the freight company's depot. Re-delivery can be arranged to your home, however this will incur extra costs.
We can't advise on the exact time and day the delivery will occur as this is not within our control, however you will be emailed the tracking details where you will be able to contact the freight company for more accurate timeframes.
It is your responsibility to advise us if:
someone will be available to sign for delivery.
there's somewhere safe the item can be left if no one will be home.
if the address is a business address, as we will require the business hours of the business and name of the building.
you notice any damage. If so, you should make note of it when signing for delivery or do not agree to accept the delivery. If you do accept delivery you are required to immediately take photos using your smart phone or camera of the damaged packaging or products inside the packaging. If your item(s) do arrived damaged please send photos to support@themakerschest.com, then visit our returns page and lodge your return claim online.
Why Buy From Us
We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at The Maker's Chest.
✅ You get valuable bonuses with every purchase of a laser engraving machine that will add value to your entire business.
✅ Customers get exclusive access to the Materials Intelligence Library™, offering 550+ laser presets to get you started engraving.
✅ We offer a Lowest Price Guarantee. What does that mean? It means you are getting the lowest prices! If you find a lower price, call us!
✅ We offer FREE shipping* to the 48 contiguous United States and we've got a 75-day No Stress Returns Policy. We know that sometimes we change our minds, so our policy takes the stress out of your purchase.
✅ We offer local, US-based support that is available to guide you through your purchasing decisions. And we don't forget about you after that either!
✅ We're a family owned, small business. Our business is a reflection of ourselves, driven by strong values and a desire to do good for others.
We provide round the clockcustomer support. Even if we're not manning the phones late at night, you can reach out to us via email or chat on the website. Our official business hours are Monday - Friday, 9am - 5pm, but outside of these hours we're still here, and we'll get back to you as soon as we can!
Remember, we're always here to help, so give us a call on +1 833-962-5377, email us at support@themakerschest.com, or chat with us using the chat bubble in the bottom right corner of your screen.
The Maximum-Power Pro 3655 — For Shops That Need Every Watt at Large-Format Scale.
The OMTech Pro 3655 150W is the highest-power configuration in the Pro 3655 series — a 150W CO2 laser cutting and engraving machine with a 35.4" × 55.1" working area, built-in TEYU RMCW-5200 water chiller, X/Y hybrid servo motors, 1200 mm/s maximum engraving speed, and autofocus.
Built for production shops, sign businesses, fabrication studios, and small manufacturers who want the full platform with maximum cutting headroom on the thickest and densest CO2-compatible materials in their daily workflow.
Compatible Materials:
Wood
MDF/Plywood
Leather
Plastics
Fabric
Stone
Coated Metals
Glass
150W vs 130W — Why the Highest Power Option Exists
The OMTech Pro 3655 platform is identical between the 130W and 150W configurations: same 35.4" × 55.1" working area, same built-in TEYU chiller, same X/Y hybrid servo motors, same 1200 mm/s maximum engraving speed, same autofocus, same 4-way pass-through, same safety systems, same software compatibility.
The 150W model provides higher laser output for users who want stronger cutting capability or additional processing headroom on thicker or denser materials.
Where 150W versus 130W actually matters:
Thicker single-pass cuts. The upper end of CO2-compatible cutting thickness — 18–22mm dense hardwood, thick plywood, 20–25mm acrylic — is where 150W output provides cleaner single-pass cutting and faster processing than 130W. For a shop whose daily production rarely includes material at this upper thickness range, 130W covers the requirement efficiently. For a shop that regularly processes at the thick end of the material range, 150W provides the power margin that keeps those cuts fast and clean.
Sustained production headroom. At 150W, the machine operates at a lower percentage of maximum output during typical production loads — which means more consistent output across long sessions and more reserve for demanding materials when they appear in the daily mix.
Future-proofing for expanded material range. For a shop anticipating growth into thicker material processing as the business scales, starting at 150W eliminates the need to revisit this decision later.
If your typical cutting range stays at 12mm and under on most materials, the 130W is the practical choice. If you regularly push into 15–22mm dense materials, the 150W is the right specification. Our team can help you assess this based on your actual job types before you order.
Built-In TEYU RMCW-5200 Water Chiller — The Production Infrastructure Decision Already Made
At 150W, water cooling is not optional — it's the requirement that protects the laser tube and maintains consistent output during production operation. The standard approach for most large-format CO2 lasers at this power level: purchase a compatible external chiller separately, route water lines, manage two systems.
The Pro 3655 150W includes a TEYU RMCW-5200 water chiller integrated into the machine — one of the most respected industrial CO2 laser chiller brands used across professional production environments globally.
No separate chiller purchase. The cooling infrastructure cost is included in the machine price — total investment is known upfront.
No external connections to configure. Water lines are pre-routed inside the machine as a factory-integrated system. Installation is the machine itself, not a multi-component assembly.
No independent monitoring. The integrated chiller operates as part of the machine system — not as a separately maintained piece of equipment running on its own startup sequence.
For a business equipping a professional production laser station, this is the infrastructure decision the machine makes for you — eliminating a category of setup complexity and ongoing maintenance management.
X/Y Hybrid Servo Motors — Professional-Grade Motion at 150W Output
Standard CO2 laser engravers use stepper motors. For the production scale and power level of the Pro 3655 150W, stepper motors are not the right motion system.
The X/Y hybrid servo motors in the Pro 3655 150W provide:
Closed-loop position feedback. Servo motors continuously monitor and correct position deviations during operation — maintaining mark quality consistency across the full 35.4" × 55.1" field at 1200 mm/s. Corner marks and center marks perform at the same standard.
Higher acceleration and faster direction changes. Servo acceleration allows the machine to approach the 1200 mm/s maximum speed rating across more of each engraving pass — including on complex artwork, tight patterns, and detailed fills where lower-G stepper systems decelerate significantly.
Sustained performance across production shifts. Servo motors maintain consistent output across 6–8 hour production runs where stepper motors can show thermal effects at high duty cycles.
Embedded guide rails in both axes provide stable movement and even load distribution at high speed — the mechanical foundation that allows the servo system to operate at specification consistently across the machine's production life.
At 150W cutting and engraving on a 35" × 55" field, the quality of the motion system directly determines whether the machine's power and bed size translate into high-quality production output or just high numbers on a spec sheet.
35.4" × 55.1" + 4-Way Pass-Through — No Project Size Has a Hard Limit
The 35.4" × 55.1" (900 × 1400mm) working area positions the Pro 3655 150W in the large-format production category — and the 4-way pass-through extends that capacity to unlimited-length flat material.
Near-full-sheet coverage in one setup. Standard 4-foot × 8-foot plywood, MDF, and acrylic process with minimal repositioning — most of a full sheet fits within the Pro 3655's 55" length and 35" width.
Large individual pieces without splitting. Commercial sign panels, architectural display components, full-size award plaques, and oversized decorative pieces complete in a single setup.
High-density batch nesting. At 35.4" × 55.1", batch layouts fit significantly more pieces than 20" × 28" machines — fewer load cycles, more output per shift.
4-way pass-through (front, back, and both sides) handles material that exceeds even this large bed in length or width — continuous strips, long lumber, and extended panels process without removing the material from the machine.
Autofocus, Air Assist, Red Dot, and Production Safety
Autofocus handles focal height adjustment automatically — place the material, trigger autofocus, and the machine is ready. For a large-bed machine where materials of varying thickness cycle through throughout a production day, autofocus eliminates the manual calibration step that would otherwise occur dozens of times per shift.
Air assist continuously clears debris and cools the focus lens during cutting — protecting the optic and maintaining cut quality across extended sessions at 150W. The air pressure sensor monitors air flow and triggers an alarm if pressure drops below the set threshold — catching a potential cut quality problem before it becomes a batch of rejected parts.
Red dot guidance marks the laser origin position visually before the job fires — confirming placement on large panels without material waste.
3-color indicator light — blue standby, green active, red error — visible from across the production floor
Mechanical and magnetic interlocks — cut power when the cover opens during operation
External industrial fan — removes gases and debris from the work area during sustained cutting.
LightBurn + RDWorks — Professional Software for Professional Output
The Pro 3655 150W supports RDWorks V8 and LightBurn — the two most widely used professional CO2 laser control software platforms. LightBurn (a LightBurn license is included free with this machine, courtesy of The Maker’s Chest) is the preferred production interface for most users, with native macOS/Linux support in addition to Windows, stronger material library community, and better camera/array workflow tools.
Data transmission: WiFi and USB cable — WiFi for flexible shop placement, USB for direct reliable connection.
11,000-hour estimated laser tube service life — extended when operated at lower power settings. FDA certified. 2-year machine warranty.
The Maker's Chest Difference
The OMTech Pro 3655 150W is available from OMTech directly and from other resellers. Here's what changes when you order through The Maker's Chest:
🛡️ 75-day returns — significantly longer than OMTech's direct return window. Enough time to receive and install the machine, run your actual large-format production loads, confirm the 150W output and built-in chiller perform for your specific workflow, and make a fully informed decision before you're committed
🇺🇸 Expert USA-based technical support — our team can help with LightBurn and RDWorks setup, servo motor calibration, chiller monitoring, autofocus calibration, air assist configuration, and any production issues that arise during ramp-up
📞 Dual lines of support — phone and email, so when production is running and something needs attention, you have a direct path to a real person
🔧 Straight configuration guidance — 150W or 130W Pro 3655? Not sure which power level is right for your typical material thicknesses and daily volume? Tell us what you process most often and we'll give you a direct recommendation before you order
Frequently Asked Questions About OMTech Pro 3655 150W CO2 Laser Cutter and Engraver
Q: What's the meaningful difference between the 130W and 150W Pro 3655? A: Platform, bed size, servo motors, chiller, autofocus, 4-way pass-through, safety systems, and software are identical. The 150W provides higher laser output for users who want stronger cutting capability or additional processing headroom on thicker or denser materials. The practical difference shows at 15mm+ material thickness, where the 150W maintains cleaner single-pass cutting and faster throughput on dense hardwood, thick MDF, and heavy acrylic. For shops whose regular cutting range stays under 12–14mm, 130W is an efficient starting point. For shops that regularly process into thicker ranges, 150W is the correct specification.
Q: Is the water chiller actually built in, or is it a separate external unit? A: The TEYU RMCW-5200 water chiller is genuinely integrated into the machine as a factory-installed component — water lines are pre-routed inside the cabinet. No separate purchase, no external unit, no additional installation. This is one of the most significant practical advantages of the Pro 3655 over competing large-format CO2 machines at this power level.
Q: What is the laser tube service life? A: 11,000 hours estimated service life — extended when consistently operated at lower power settings. At 8 hours daily, 250 working days per year, that's approximately 5.5 years of rated tube life. The 150W tube is 72.8" long and 80mm diameter — the largest tube in the Pro 3655 lineup, supporting the stable resonant cavity needed for consistent 150W output under production loads.
Q: Why do servo motors matter at this machine class? A: X/Y hybrid servo motors provide closed-loop position feedback, correcting for deviation in real time during high-speed operation. On a 35.4" × 55.1" machine at 1200 mm/s, this translates to consistent mark quality across the full field — corner marks perform at the same standard as center marks — and more representative real-world throughput near the rated speed than stepper-motor machines at equivalent specifications.
Q: What materials can it cut and engrave? A: Engraving: Wood, acrylic, leather, glass, MDF/plywood, rubber, paper, fabric, marble, foam, fiberglass, and treated or coated metals. Cutting: Wood, acrylic, MDF/plywood, leather, rubber, paper, fabric, and foam. Cannot cut bare sheet metal.
Q: What are the installation requirements? A: Weight: 1,190 lbs. (540 kg). Dimensions: 82.7" × 65.7" × 42.3". Ships via freight — liftgate delivery required. Confirm floor load capacity, installation space, pass-through clearance, and exhaust duct access before delivery. Contact our team for pre-delivery planning guidance before placing your order.
Q: Is LightBurn compatible? A: Yes — LightBurn is compatible and is the preferred production software for most users. A LightBurn license is included free with this machine, courtesy of The Maker’s Chest. Runs natively on Windows, macOS, and Linux.
Q: Why buy from The Maker's Chest instead of directly from OMTech? A: Our 75-day return window gives you real production evaluation time — enough to install the machine, run large-format production loads, and confirm the 150W Pro 3655 performs as required before you're committed. Our USA-based expert support team is reachable by phone and email for LightBurn and RDWorks setup, servo motor calibration, chiller monitoring, and production troubleshooting. If you're choosing between 130W and 150W, we'll give you a straight answer based on your specific material range.
Specifications
OMTech Pro 3655 150W CO2 Laser Cutter and Engraver Specifications:
Specification
Official Information
Color
Silver-Black, Blue
Dimensions (L × W × H)
82.7 × 65.7 × 42.3 in.
Working Area
35.4 × 55.1 in.
Rated Power
150W
Estimated Laser Service Life
11,000 hr
Max. Engraving Speed
1200 mm/s
Laser Tube Length
72.8 in. / 1850 mm
Laser Tube Diameter
3.2 in. / 80 mm
Compatible Software
RDWorks V8, LightBurn (included free by The Maker’s Chest)
Data Transmission
WiFi, USB Cable
Certification
FDA
Net Weight
1190 lb. / 540 kg
Warranty & Manuals
OMTech Pro 3655 150W CO2 Laser Cutter and Engraver Details:
OMTech Pro 3655 150W CO2 Laser Cutter and Engraver comes with a 2-year warranty on the laser machines.
100% money back guarantee (minus shipping and handling costs) if you return your unit in like-new condition within 75 days of the ship date.
Dedicated, local US-based support for quick answers to questions.
OMTech Pro 3655 150W CO2 Laser Cutter and Engraver Product Manuals:
Click the links below to download product manuals for OMTech Pro 3655 150W CO2 Laser Cutter and Engraver
OMTech Pro 3655 150W CO2 Laser Cutter and Engraver Product Manual Downloads:
OMTech Pro 3655 150W CO2 Laser Cutter and Engraver Product Manual Download
Shipping
We offer FREE Shipping* throughout the 48 contiguous United States! Yes, no hidden costs at checkout!
*This is with the exception of the following brands of products at the moment, on which we DO have to charge shipping:
BOFA Fume Extractor and Replacement Filters
Carbide 3D CNC Routers
Crio DTF Printers
Filtrabox Fume Extractors and Replacement Filters
FumeDog Fume Extractors
GravoTech Laser Engravers
Maxce IndexX Laser Marking Production Table
OneLaser X Series
OneLaser Hydra Series
PiBurn Laser Rotary Accessories
Sunstone Welders and Accessories
THEO Laser Welders
Summary
Order cutoff: 5pm PST
Order handling: 1-3 days
Order transit: 3-7 days
Free shipping to the contiguous United States
Order Confirmation & Dispatch As soon as you place an order with us you'll receive an order confirmation email, and we'll get working to have your order dispatched as soon as we can.
Typically, we'll dispatch your order within 1 business day, however this can vary depending on the product and our warehouses, so please allow up to 3 business days.
Once your order has dispatched from our warehouse, you'll receive shipping confirmation within 24 hours of your order leaving our warehouse.
General Delivery Timeframes Delivery timeframes will vary dependent on your location and the items you've ordered.
In general, these are the delivery timeframes you can expect:
1-7 Business Days - Delivery within the contiguous United States
The above is intended to be used as a guide, and may not apply in all cases. Some products may have specific 'Delivery Timeframe' information, which can be found on its own tab, or on the main 'Description' tab of the product.
Home Delivery (Bulky Items)
This service is generally for products over 40kg in weight, as it is a requirement for these products to be palletised for delivery.
This service utilises power tailgates with two-man crews or crane trucks when required and this is included in the quoted price.
The receiver will be contacted prior to delivery to arrange a suitable delivery date and time. Deliveries are scheduled for either an AM or PM slot on any given day.
Delivery is to front car port, driveway, doorstep or wherever practical depending upon site access. Drivers are not permitted to move item(s) within the residence or around the property due to OHS reasons.
This service assumes reasonable and safe access to the site is available. Overhanging trees, steep driveways, unsealed driveways, narrow driveways or streets or an unforeseen obstruction may deem the delivery unavailable.
If your delivery address is in a regional or remote location, we recommend shipping to the nearest depot as the most affordable option.
Other Terms & Conditions
If you happen to miss the delivery, you will be required to pick up your item(s) from the freight company's depot. Re-delivery can be arranged to your home, however this will incur extra costs.
We can't advise on the exact time and day the delivery will occur as this is not within our control, however you will be emailed the tracking details where you will be able to contact the freight company for more accurate timeframes.
It is your responsibility to advise us if:
someone will be available to sign for delivery.
there's somewhere safe the item can be left if no one will be home.
if the address is a business address, as we will require the business hours of the business and name of the building.
you notice any damage. If so, you should make note of it when signing for delivery or do not agree to accept the delivery. If you do accept delivery you are required to immediately take photos using your smart phone or camera of the damaged packaging or products inside the packaging. If your item(s) do arrived damaged please send photos to support@themakerschest.com, then visit our returns page and lodge your return claim online.
Why Buy From Us
We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at The Maker's Chest.
✅ You get valuable bonuses with every purchase of a laser engraving machine that will add value to your entire business.
✅ Customers get exclusive access to the Materials Intelligence Library™, offering 550+ laser presets to get you started engraving.
✅ We offer a Lowest Price Guarantee. What does that mean? It means you are getting the lowest prices! If you find a lower price, call us!
✅ We offer FREE shipping* to the 48 contiguous United States and we've got a 75-day No Stress Returns Policy. We know that sometimes we change our minds, so our policy takes the stress out of your purchase.
✅ We offer local, US-based support that is available to guide you through your purchasing decisions. And we don't forget about you after that either!
✅ We're a family owned, small business. Our business is a reflection of ourselves, driven by strong values and a desire to do good for others.
We provide round the clockcustomer support. Even if we're not manning the phones late at night, you can reach out to us via email or chat on the website. Our official business hours are Monday - Friday, 9am - 5pm, but outside of these hours we're still here, and we'll get back to you as soon as we can!
Remember, we're always here to help, so give us a call on +1 833-962-5377, email us at support@themakerschest.com, or chat with us using the chat bubble in the bottom right corner of your screen.
