In stockGenmitsu
3018-PRO Desktop CNC Router DIY Kit
- Work area
- 300 × 180 × 45 mm
- Materials
- Wood, plastics, acrylic, PVC, PCB, soft aluminium
£138
Stop struggling with uneven cuts caused by sagging platforms.
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1 / 9SKU SS-101-60-4040PRO-EB-1
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4040-PRO Desktop CNC Router Machine for Carving and Cutting. Stop struggling with uneven cuts caused by sagging platforms.
4040-PRO Desktop CNC Router Machine for Carving and Cutting · Technical features from Genmitsu.


Stop struggling with uneven cuts caused by sagging platforms. The 4040-PRO features an upgraded spoilboard with a central aluminum support bar and integrated T-track that reinforces the MDF to prevent deformation under load, ensuring consistent flatness for precision carving.
The redesigned Z-axis carriage simplifies spindle swaps (supports 65mm/69mm with extra mount). The control board features dedicated ports for a 3-pin laser, air assistance pump, and MPG controller, allowing the machine to grow with your skills.


All main parts are pre-assembled and it just takes about 15 minutes to finish the whole machine assembly. Adding more grooves and locating pins on the main assembly parts will help you to locate the parts, avoid inaccurate alignment, and makes assembly easier.
An effective working area of 15.7"x15.7"x3.31" is large enough for most daily CNC projects. It provides a better experience for larger woodworking projects, whether you're a CNC beginner, a hobbyist, or a small business owner looking for enterprise quality for commercial purposes, this is an excellent choice.


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. The new spindle mount exchange solution makes the spindle mount exchange easier and ensures the perpendicularity of the installed spindle as well. φ65mm & φ69mm spindle mounts are available now.
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Sainsmart Genmitsu 4040 Pro CNC machine - Unboxing and Assembly Guide
Spoilboard and tramming on the Sainsmart Genmitsu 4040 Pro



| Feature | 4040-RENO | 4040-PRO | Other 4040 |
|---|---|---|---|
| Assembly Time | 30mins | <20mins | / |
| Frame Material | All Aluminum | All Aluminum | Aluminum+Acrylic |
| Max Speed(mm/m) | 2000 | 2000 | 2000 |
| Max RPM | 9000 | 9000 | 10000 |
| Running Accuracy | ±0.1mm | ±0.1mm | ±0.1mm |
| Drive System | Belt (X,Y)+Lead screw (Z) | Lead Screw | Belt (X,Y)+Lead screw (Z) |
| Laser Support | ✔️ | ✔️ | ✔️ |
| Semi-Assembled | ❌ | ✔️ | ❌ |
| Stepper motor | NEMA17 42 | NEMA17 42 | NEMA17 |
| Working Area | 400 x 400 x 76mm15.75 x 15.75 x 3.07in | 400 x 400 x 78mm15.75 x 15.75 x 3.1 in | 400x380x55mm15.7 x 15.0 x 2.2 in |
| Machine Size | 682 x 620 x 343mm26.85 x 24.41 x 13.50in | 673 x 663 x 336mm26.50 x 26.10 x 13.23in | / |
| Weight | 14.80kg32.6lb | 20.65kg45.5lb | / |
| Spindle Power | 75W (Upgradable) | 75W (Upgradable) | 60W |
| Spindle Mount | 42mm&52mm | 42mm&52mm | 42mm |
| Power Supply | 24V/4A | 24V/4A | 12V/5A |
| Limit switches | ✔️ | ✔️ | ✔️ |
| Emergency-Stop | ✔️ | ✔️ | ✔️ |
| Z-Probe | ✔️(Led) | ✔️(Led) | ✔️ |
| Baffles | ❌ | 4040 Dust Baffles | / |
| Offline Controller | CTL4040 | CTL4040 | ❌ |
| Hand-screwed Wheel Support | ✔️ | ✔️ | / |
| MPG Interface | ✔️ | ✔️ | / |
| Platform | MDF Platform | T-track Reinforced MDF Platform | MDF Platform |
| 4th Axis Support | ✔️ | ✔️ | / |
| Driver Chip | TB67S109 | TB67S109 | / |
| Control | GRBL | GRBL | GRBL |
| MCU | 32bits | 32bits | 32bits |
Package: 1x X-axis Module 1x Y-axis Modules (Left & Right) 1x Z-axis Module (Spindle Pre-Assembled) 1x Z-axis Cable Mount 1x Front Module with Locating Pins 1x Rear Module with Locating Pins 2x MDF Boards for Platform 1x Power Supply 1x USB Cable 1x USB Drive 3x 30-degree Conical V Bit 1x Upgraded LED Z-Probe Kit 4x Work Clamps 2x Collets (ER11 4mm, ER11 3.175mm) 2x Spare Limit Switches Screw and Tool Kit

Find more help articles at SainSmart Resource Center 4040-PRO resources Find more uprgade parts at Genmitsu Ecosystem 4040-PRO Upgraded Accessories 🔍 Click here to explore the Genmitsu CNC router collection 🔍 Click here to explore the upgraded parts of CNC router ecosystem
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Machines carry Genmitsu’s warranty against manufacturing defects. Fabinity helps you raise a claim and handles UK support; warranty terms do not limit your statutory rights.
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