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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

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Availability: In Stock.
Fulfilled by SainSmart Official

Arrives Wednesday, Aug 19
Order within 20 hours and 16 minutes
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Features

  • 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.
  • 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.
  • 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.
  • 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.
  • 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.

Description

Boost your productivity with enhanced milling speed and improved stability. Ideal for CNC novices, hobbyists, or small business owners seeking professional-grade quality for commercial applications, this option stands out as a superior selection. 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. 4th Axis rotary module realizes the A axis is used in conjunction with the X, Y, and Z axes to create more complex shapes and contours in a workpiece. While a false 4th-axis system that utilizes Y-axis or X-axis movement to interact on the top centerline of the object cannot produce complex models. 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. 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. The control board supports adding an air assistance pump, offline controller, MPG, and 4th axis. The extra 65mm spindle mount is also available. You could upgrade the machine easily based on your needs. (All these accessories need to order separately) 4040-PRO PROVerXL 4030S PROVerXL 4030 V2 Other CNC Machine Other CNC Machine Expand the capabilities of your 4040-PRO to 4040-PRO MAX with this next-generation XZ axis module designed for improved production efficiency and precision. The 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 rotary carving. With a 0.1mm x 0.15mm spot, this module ensures exceptional accuracy, allowing you to cut through 8mm plywood in one pass effortlessly. This drag knife cuts detailed shapes in cardboard, vinyl, and leather with ease, and its standard 1/8'' shank fits just like regular bits on your CNC machine—no collet changes or extra setup required. Designed exclusively for use with the Genmitsu 4040-PRO: Maximize the potential of your Genmitsu 4040 Pro with this specially designed control module. Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store 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!

Manufacturer: ‎SainSmart


Part Number: ‎4040PRO


Item Weight: ‎48.8 pounds


Package Dimensions: ‎28.7 x 15.2 x 8.8 inches


Item model number: ‎4030XL


Power Source: ‎Corded Electric


Item Package Quantity: ‎1


Included Components: ‎Machine


Batteries Included?: ‎No


Batteries Required?: ‎No


Date First Available: December 13, 2024


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Aug 19

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.

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Top Amazon Reviews


  • Awesome machine and amazing customer service!! Awesome machine and amazing customer service!!
This machine has been amazing and fun to learn. It is tough and easy to assemble. They packed it and shipped it very well. Unfortunately I broke a few parts and customer service was more than amazing. They made this whole adventure a 5 Star experience!! Thank you
Reviewed in the United States on November 10, 2025 Reviewed in the United States on November 10, 2025 by Olivia

  • Game-changer for my small business
This machine has been a game-changer for my business. I use it to cut 1/2" thick cork, and I can make so many more designs than I could when I cut it by hand. The learning curve was pretty steep, as my use case does not seem typical. Two reasons for 4 stars: 1. Some of the instructions and specifications are unclear for people new to CNC machines. I almost made the mistake of installing the spoilboard upside-down. When I went to google to figure out the right way, I saw a youtuber do the same. Also, the default 4040 pro comes with a 42/52mm spindle mount, and I had no idea whether to order parts for 42 or 52. 2. I did not have a laptop with Windows 10/11 or MacOS, which is what all the software instructions are for. I was able to build a driver for Ubuntu and eventually get everything connected and going. And the effort was worth it. ... show more
Reviewed in the United States on May 20, 2026 by Jennifer DiMatteo

  • This Machine Opens New Doors
This is a very solid CNC machine for woodworkers like myself who are looking to dip their toe into the world of CNC, as well as for more advanced creators who are limited by space or budget. The number of ways this machine (and others like it) can up your game is simply staggering. It’s not just a carving or cutting tool, it’s a gateway to hundreds of creative possibilities. That said, I do think this machine, as sold here, is a bit incomplete. There are several upgrades available from SainSmart that really take it to the next level. I chose to extend the working capacity, upgraded to a much more powerful spindle, and added a dust shroud for cleaner operation. I also went with third-party software to better suit my workflow. Honestly, I couldn’t be happier with the performance and capabilities of this machine. My only gripe is that the wire management could be better and the 2-piece "spoil board" needs work, but that’s a small tradeoff for the value and versatility you get here. ... show more
Reviewed in the United States on May 14, 2025 by Amazon Customer

  • Great starter machine but be prepared to upgrade depending your needs Great starter machine but be prepared to upgrade depending your needs
For the price of this machine, you really can’t go wrong for an entry level CNC. I had to give 4 stars for just a couple reasons: - the spindle included is good for absolutely nothing but engraving in my opinion and for my needs. Immediately upgrade to their “clone” of a router that actually has been great - the Z Axis is just a mess, it is weak and there is much room for improvement. Looking at the XL, I wish I would have went with that now and I probably would have saved money from the upgrades I’ve made - SainSmart customer service has been pretty tough to get ahold of for my few issues BUT once I have been able to get a response, they have been top notch service. That being said I would buy from SainSmart again and plan to do so. - set up was fairly simple but double check everything!!! - this is my first CNC router so I don’t have much to compare to but I feel the motors and especially the limit switches could have been made much better and i am more than sure I will be running into limit switch issues very soon and there isn’t much out there for how to replace that I have found. Overall, great machine to get into the hobby/business and I would absolutely recommend the Genmitsu 4040 pro from SainSmart. The SainSmart ecosystem also somewhat reminds me of Apple and I will say that it is tough to not spend money on their store site on all of the little accessories and upgrades for this awesome little machine! ... show more
Reviewed in the United States on June 5, 2025 Reviewed in the United States on June 5, 2025 by Collin

  • My first cnc machine. Well made and well supported.
This cnc machine is fantastic for anyone getting started. This machine is well supported and there is a lot of information available online to get you started. There are also lots of review videos available online on youtube to review before purchasing. I will not go into detail since so much information is already available. There are some additional accessory items you may want to purchase to make it more usable long term. You may also want to upgrade the spindle motor to a more powerful motor once you get into the hobby. Overall, I highly recommend this cnc for the price, quality, and community support. ... show more
Reviewed in the United States on April 20, 2025 by Jim and Steph

  • Very Nice
This is a very good quality starter cnc machine. This is ready to go for basic woodwork like ornaments and engraved signs. Assembly is easy. You can customize this quote a bit. There are better spindles, a rotary attachment, wifi attachment, etc. In a way, this is a slippery slope; you'll likely want to expand the base offering. For starting out, this is a great start/intro into cnc at home. This is a good size, and it functions great. Overall this seems like a good value. ... show more
Reviewed in the United States on February 8, 2025 by Ash

  • Sweet unit, I look forward to really using it
Good shipping. Safe arrival went together nicely. Haven't really used but looks likely to work fine. Pretty State straightforward little device, I like some of the design decisions on this particular model. I'll try to update this review and rating when I have real experience with it, but that might take a minute. ... show more
Reviewed in the United States on January 5, 2026 by Casey2U

  • CNC
As my first CNC machine, it took me a little over an hour to set up. The manual for assembly are detailed with written and photo instructions. However, there is very little instruction for how to use the included software. It comes with two blades and words well for thin projects or engraving. However, you would need to spend at least another $80-100 on accessories or bits to do other projects. I would also recommend getting the dust system. ... show more
Reviewed in the United States on March 2, 2025 by Mallory

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