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Availability:
In Stock.
Arrives
Friday, Oct 30
At a glance
- Condition
- New
- Model
- 4040-PRO
- Dimensions
- 15.7"W x 3.1"H
- Weight
- 20.84 kg
- Material
- Aluminum, Acrylic
- Power Source
- AC/DC
- Voltage
- 240 volts
- In the box
- CNC Machine
Features 5
- MORE CONSISTENT CUTS, LESS BED FLEX - The upgraded 4040-PRO CNC router machine features a reinforced hybrid spoilboard with a center aluminum support bar to reduce sagging and maintain a flatter work surface, helping deliver more consistent cutting and carving depth across larger projects.
- RIGID MOTION FOR STABLE MACHINING - Dual 16mm HSS steel tubes on each axis and lead-screw drives create a rigid motion system for smooth, accurate movement. A 32-bit controller with silent Toshiba drivers provides stable, quieter operation for detailed carving, engraving, and CNC milling projects.
- MORE ROOM FOR CREATIVE PROJECTS - A 435 x 400 x 80mm (17.13 x 15.75 x 3.15 in) working area gives this desktop CNC machine room for signs, reliefs, prototypes, and woodworking projects. Machine wood, acrylic, MDF, nylon, and carbon fiber composites with the appropriate bits and cutting settings.
- FROM ASSEMBLY TO CNC FASTER - Pre-assembled modules let you build the 4040-PRO in about 15 minutes, while the relocated Z-probe port provides easier access during setup. GRBL control gives makers a flexible, widely supported workflow for learning CNC, preparing jobs, and running G-code projects.
- UPGRADE AS YOUR SKILLS GROW - Expand your CNC machine instead of outgrowing it. The redesigned Z-axis carriage supports 65mm or 69mm spindle mounts with an additional mount, while dedicated 3-pin ports support compatible accessories such as air assistance and MPG controllers for more advanced projects.
Description
Increase your work output with faster milling and increased stability. 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. Screw drives provide better positioning accuracy compared to belt drives, as they are less affected by elastic deformation and swing clearance. Additionally, screw drives are easier to maintain during use, eliminating the need for tedious belt leveling and offering greater durability.. The upgraded spoilboard is reinforced with a central aluminum support bar to prevent MDF sagging under heavy loads, while doubling as a built-in T-slot for flexible clamping and expanded fixturing possibilities. 4040-PRO PROVerXL 4030S PROVerXL 4030 V2 PROVerXL 2X2 Other CNC Machine Other CNC Machine Here at SainSmart we have been serving the maker community for years, starting in the early days with high-quality electronic parts and into today with our Genmitsu line of CNC mills for every experience level. We love making, we are just a bit different than the people we make our products for. Our passion is making the best, most affordable tools available and getting them out to the maker community at large to do their thing!
Specs 20
| Brand | Genmitsu |
|---|---|
| Material | Aluminum, Acrylic |
| Power Source | AC/DC |
| Product Dimensions | 15.7"W x 3.1"H |
| Voltage | 240 volts |
| Base Type | Fixed |
| Battery Description | Corded electric |
| Item Dimensions W x H | 15.7"W x 3.1"H |
| Item Weight | 20.84 kg |
| Material Type | Aluminum, Acrylic |
| Brand Name | Genmitsu |
| Model Number | 4040-PRO |
| Number of Packs | 1 |
| Global Trade Identification Number | 43 |
| Item Highlight | Upgraded Version, GRBL Control, Lead Screw Driven, 3-Axis Engraving, 17.1'' x 15.7'' x 3.1'' Working Area |
| Unit Count | 1 Count |
| UPC | 816550026243 |
| Item Type Name | CNC Machine |
| Manufacturer | Genmitsu |
| Manufacturer Part Number | 4040-PRO |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Oct 30
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
A great machine at a great price
Setup was quick and very easy, this is actually the second I purchased because I like the first one so much. It is very user friendly even if you’re a beginner, it produces professional quality results. I purchased upgrades for this machine to include x and y axis extension and routers as well. I had one issue with one of my offline controllers but customer support was excellent and quickly replaced the defective controller. I am impressed with the quality of machine you get for the money, their customer support is also top notch. I did my first carve right after I received and assembled my machine, it performed better than expected, lower noise level than other machines I’ve used, the carve was very precise and detailed and the machine is very solid with no detected play I. Any of axis.
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Reviewed in the United States on September 2, 2025 by Shannon Walton
Awesome
I have never worked on a cnc machine before the Genmitsu was easy to set up and get started. I have been running it nonstop for 4 days and it is keeping up with the workload.
Reviewed in the United States on September 18, 2026 by Christine Harrison
buyer beware
The machine has a good frame construction but I have had nothing but problems beyond that. I have had more projects that have been ruined because the macine will suddenly lose it's vector orientation. I have replaced the controller board multiple times and the issue persists. I am going to try to replace the limit switches and if that doesn't resolve the issue I will have to wire trace the every wire to see if there is a short in the system. I would not recommend this product and I would say spending the extra money for a Shapeoko 4 or 5 is the better choice.
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Reviewed in the United States on June 3, 2026 by ds woodfoundry
Sketchy wiring?
Seems to be surprisingly great quality, frame is solid and it assembles easily. My only concern is the quality of the wiring for the spindle and z-probe. My power connector doesn’t fully seat in the machine leaving a solid 1/4” of the plug exposed. It is a tight connection and I haven’t had any issues with it, just seems odd to have it stuck out so far. I think this is absolutely worth the price, If I would do it again I’d skip the 4040-pro and get the 4040-pro max. Glad they offer upgrades!
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Reviewed in the United States on July 13, 2026 by Big Chungus
Decent beginner machine
I received the machine in good condition, the packaging was superb,. unpackaged and assembled, clear directions. took around 30 minutes to set up. the software (Candle) that came with it is a bit lacking, but I use G-sender and V-carve Pro. This is my first desktop machine, so I am going to try my best to capture everything I have experienced so far. Pros: Good quality main frame, pretty stiff for a desktop Good packaging Great customer service Easy to assemble with easy to follow instructions Very quiet Cons: Extremely underpowered, most bits require 12000 or more rpm to work in optimal range, the spindle is only turning 9000 Upgrade parts are almost as expensive as purchasing a new machine( spindles, extensions Etc.) would recommend the 1.5kw VFD spindle or trim router if you will be carving anything thicker than 1/4" pine. The stock spindle struggles to cut though on profile settings, deep v-carves and 1/4" clearing pocket cuts. V-bits and End mills that have a 1/4" shank are unusable with the stock spindle. Very little adjustments to correct Tram and squaring Final thoughts: The machine advertises that it can cut wood, metal, acrylics and other soft materials, what they don't tell you is that the machine will not cut smoothly with 1/4" bits or anything thicker than 1/4" and that is testing the limits. All in all, it is a good starter machine, a little pricey for beginners, but bear in mind this isn't a commercial machine, if you are doing small carves with minimal depths this is a great machine. If you are seriously trying to carve heavier materials look to the more robust (and more expensive machines). If I can afford to purchase the 1.5kw VFD spindle I will return and revise the review. If Genmitsu/Sainsmart would like to donate the spindle set up, I will put the machine through its paces again, and give another review with the upgraded machine.
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Reviewed in the United States on May 24, 2024 by william s.
This is fantastic device at price
I purchased originally 3018 pro but one bearing came out completely from wherever it was seated and returned it. I purchased this one and what a difference! Everything fits, frame is rigid and everything worked out of box in Easel on my 2011 iMac. I had two minor issues at the beginning. After first homing base board was squirted along X and Y axis with most likely oil from bearings. It's a cosmetic issue - but you want get second board and they are not cheap. Second issue - one of bolts completely unscrewed during job, and spindle started to twist in the slot. I caught it early, tightened bolts and no problem since them. One downside of this machine is relatively weak spindle. It will cut through plywood and engrave details that will blow your mind. Unfortunately if your planning to do anything with real wood - better plan for router upgrade. And this is also not cheap. After 3018 fiasko i was considering 4030 proverxl v2 - but it's not worth paying 2.5x for it - especially that you still need to upgrade to real router for proper wood work.
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Reviewed in the United States on December 14, 2023 by Greg
Great Beginner Product and Good Quality
Product works as expected. The only thing I ran into that might make it difficult for a new beginner like myself is that some of the instructions for setting up the app was kind of unclear so I had to use AI to assist me in the set up, but as you’ll see, it works great
Reviewed in the United States on October 14, 2026 by Patricia Carroll
Great little hobby machine
I purchased this machine on cyber Monday in 2023. I was looking for a CNC that had more stability, accuracy and repeatability than the belt driven machine I currently had at the time. I wasn't disappointed. The packaging was about the best I've ever seen, assembly was a breeze and it was square and level right away. The screw drive and linear rails make this quite rigid and reliable. I used it for about ten months when it stopped working. After contacting customer support and describing the symptoms it was determined that the power supply went bad. They sent me a new one free of charge which solved the problem completely. I can't say enough good things about the machine and level of support I received.
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Reviewed in the United States on October 10, 2024 by papas5