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Genmitsu Cnc Machine 4040 Pro Comparison - April 2026
| 1 Best Choice  9.8Exceptional | 2 Best Value  9.5Excellent | 3  9.4Excellent | 4  9.3Excellent | 5  9.2Excellent | 6  8.9Very Good | 7  8.8Very Good |
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ModelGenmitsu CNC Router Machine 4040-PRO for Metal Acrylic Cutting Milling, GRBL Control, Lead Screw Driven, 3 Axis Engraving, Working Area 15.7” x 15.7” x 3.1” | Model Genmitsu 4040-PRO CNC Machine with 4th Axis Rotary Module Kit and Offline Controller | Model SainSmart Genmitsu 4040 PRO CNC Milling Machine, Support 4-Axis and WiFi Module, Upgraded Lead Screw Drive for Woodworking, Metal and Acrylic Cutting, Milling, GRBL Control | Model SainSmart Genmitsu CNC MPG Handwheel Controller for Genmitsu CNC Machine 4040-PRO, 4040 Reno, 3020-PRO MAX V2, 3018-PROVer V2, 3018-PROVer Mach3 & 3018-MX3 | Model Genmitsu CNC Router Machine Offline Control Module, Dial Design for Offline and 4-Axis Control Genmitsu 4040-PRO, 4040 Reno | Model SainSmart Genmitsu 4040-PRO MAX CNC Router, 710W Trimmer & Linear Rail Driven, Work Area 410 x 405 x 77mm, for Wood Metal Acrylic Cutting Milling, GRBL Control | Model Genmitsu CNC Router Machine 4040-PRO MAX with 710W Trimmer CNC Router & Linear Rail Driven, 3 Axis Engraving Machine for Wood Metal Acrylic Cutting Milling, GRBL Control, Work Area 410 x 405 x 77mm |
BrandGenmitsu | Brand Genmitsu | Brand SainSmart | Brand SainSmart | Brand Genmitsu | Brand SainSmart | Brand Genmitsu |
Reviews | Reviews  | Reviews | Reviews | Reviews | Reviews - | Reviews - |
Tech Specs | ||||||
power sourceac_dc | power source Corded Electric | power source Corded Electric | power source - | power source - | power source ac dc | power source Corded Electric |
item weight45.9 pounds | item weight - | item weight 44 pounds | item weight 1.83 pounds | item weight - | item weight - | item weight 16.4 Kilograms |
package dimensions- | package dimensions - | package dimensions 29.13 x 15.35 x 8.66 inches | package dimensions 8.31 x 4.06 x 3.98 inches 1.84 Pounds | package dimensions 5.98 x 4.09 x 2.05 inches 6.74 ounces | package dimensions - | package dimensions - |
Available On   | Available On | Available On | Available On | Available On  | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1Genmitsu15% OffGenmitsu CNC Router Machine 4040-PRO for Metal Acrylic Cutting Milling, GRBL Control, Lead Screw Driven, 3 Axis Engraving, Working Area 15.7” x 15.7” x 3.1”
Why we love it
Large and stable working area.
Supports various materials and upgrades.
Easy to assemble with robust construction.
Main highlights- Various Upgrade Accessories: Supports a 4th axis rotary module kit (B0C581H2B3), allowing the 4040-PRO CNC to carve from various angles or perform full 3D rotary carving with the right software. Enables a Wi-Fi module (B0DK54JHS6) for mobile control. Also you can upgrade the XZ-axis(B0DHGN4ZYH), strengthen the screw material, and improve stability and speed.
- Upgraded Control Box and Mainboard: The upgraded control box features essential functions like emergency stop and home buttons. Its metal casing is dust-proof and easy to maintain. It includes a powerful and quiet Toshiba TB6S109 driver with a 32-bit chip, along with multifunctional ports for air assist pump and MPG.
- Structure Stability: Stability is enhanced with a new steel HSS frame. Each axis features two 16 mm Steel HSS linear tubes, lead screw motion drivers, dual Y-axis rails, and an all-metal frame.
- Easy Assembly: Main parts are pre-assembled, enabling setup in about 15 minutes. The spoilboard consists of two replaceable MDF boards, so you only need to swap the damaged one instead of the entire spoilboard.
- Compatibility Upgrade: The 4040-PRO CNC machine is supplied with 42mm and 52mm spindle mounts, compatible with original spindles and 300W spindles. Additional 65mm (B0BRZSY475) and 69mm (B0BRZSVVK3) spindle mounts are also available for separate purchase.
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9.5
2Genmitsu14% Off
Genmitsu 4040-PRO CNC Machine with 4th Axis Rotary Module Kit and Offline Controller
Main highlights- Switch to the 4-axis mode for complete control over every aspect of your CNC Router Machine: Elevate your CNC routing game with the ability to switch to the 4-axis mode for even greater creativity and control. The G-code for the 4th axis must be sent using an offline controller, which should be ordered together with the 4th axis to ensure proper functionality.
- Still based on open-source Grbl v1.1, the 4040-PRO CNC router has stepped up to more powerful but silent Toshiba TB6S109 drivers with 32-bit chips. Upgrades include extended function ports like a dedicated 3 Pin Laser Port, Air Assistance Pump Port, and MPG Port.
- New Steel HSS Frame - all new redesigned frame structure, each axis is composed of two 16mm Steel HSS linear tubes and a lead screw motion drive, dual Y axis rails, and all metal frame. This new high-rigidity structure ensures the stability and accuracy of the milling machine.
- Discover the Possibilities: The Genmitsu 4th Axis Rotary Module Kit is a drop in upgrade that enables your 4040-PRO CNC machine to carve from different angles and positions or with the right software full 3D rotary carving. The 4th axis allows for the creation of complex parts with curved or angled features that are not achievable with a traditional 3-axis CNC machine.
- An effective working area of 15.7” x 15.7” x 3.1” is large enough for most daily wood carving projects. The redesigned Z-axis carriage makes swapping a spindle easier. Adding more screw holes on the non-all-in-one Z-axis carriage allows you to install the larger spindle higher for extra overfeed height.
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9.4
3SainSmart
SainSmart Genmitsu 4040 PRO CNC Milling Machine, Support 4-Axis and WiFi Module, Upgraded Lead Screw Drive for Woodworking, Metal and Acrylic Cutting, Milling, GRBL Control
Why we love it
Supports versatile 4-axis carving.
Quick and easy assembly process.
Suitable for multiple materials.
Main highlights- Upgraded Electronics: Powered by open-source Grbl v1.1, the machine now includes silent Toshiba TB6S109 drivers with 32-bit chips for smoother and quieter operation. Additional function ports, such as the Air Assistance Pump Port and MPG Port, expand its versatility. Customers can also order the updated motherboard (B0D1BZW5LY) for wireless module compatibility, enabling seamless wireless control.
- The machine supports the addition of a 4-axis rotation module kit. This 4-axis kit allows your 4040-PRO desktop CNC to carve from different angles and positions or perform complete 3D rotary carving with the appropriate software.
- Reinforced Spoilboard with Integrated T-Track: The upgraded spoilboard features a central aluminum support bar that reinforces the MDF to prevent sagging under load, while also serving as a T-slot to enable more versatile clamping and fixture options.
- Enhanced Steel HSS Frame: Built with an all-new high-rigidity structure, the frame features 16mm Steel HSS linear tubes, a lead screw motion drive, dual Y-axis rails, and a full metal frame. This design ensures improved stability and precision for your milling projects.
- Customizable and Expandable: The machine comes with 42mm and 52mm spindle mounts, while optional 65mm (B0BRZSY475) and 69mm (B0BRZSVVK3) spindle mounts are available for purchase. Additional accessories allow for easy upgrades to meet your specific needs. For guidance, visit the SainSmart Resource Centre or contact customer support.
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