Image: Lunyee
Lunyee 4040 Pro CNC Router
Lunyee
Best for: Hobbyists stepping up from 3018 machines who want a larger work area without spending much more
Typical starting price
$500Editorial baseline for this machine
Overall score
Best current buying path
Where to buy
Prices change often: compare the stores below
- Usually ships within 1-3 days via Amazon
- Check Amazon for current stock
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Quick verdict
The Lunyee 4040 Pro has a 400 x 400 x 90 mm work area, a 32-bit GRBL-compatible controller and a Z axis with dual HG15 guides and a 1204 ball screw. Spindle configuration needs particular care: the current title and table specify a 100 W motor, while other page text and older reviewed packages refer to 500 W, and 710 W bundles are offered. Compare the exact bundle, motor and mount rather than treating every 4040 Pro listing as the same machine. The maker lists 17 kg and an optional offline controller.
Who this fits best
Hobbyists stepping up from 3018 machines who want a larger work area without spending much more
Buy this if
You want the biggest work envelope and strongest stock spindle you can get near the low-budget ceiling, and you are comfortable solving setup issues without a huge owner community behind you.
Skip this if
You rely heavily on documentation, troubleshooting help, and clean first-time setup. This machine makes more sense for tinkerers than for people who want polished hand-holding.
What else you still need
Expect to buy better clamps, dust collection, and a small stock of spare lead-screw hardware or maintenance parts because support coverage is thinner than with bigger brands.
Material reality check
Softwood, plywood, plastics, and light hardwood passes are realistic. The 500W spindle helps, but the frame still keeps aluminum in the occasional, very conservative hobby category.
Better alternative if...
you want similar work area but care more about a slightly easier budget-buying path than squeezing every bit of spindle power out of the spec sheet See TwoTrees TTC 450 Pro .
Where it wins
- Significant upgrade over 3018 machines with 400x400mm work area
- Multiple spindle bundles are available; verify which motor the price includes
- Good price-to-work-area ratio
- Supports optional laser module for engraving
Where it falls short
- CNX Software reported that the E-stop did not halt its 2025 review sample and it had to switch off power
Specifications
400 × 400 mm
1600 cm²
100W
100 W motor in the base specification; 500 W reviewed package and 710 W bundles also exist
17 kg
$500
budget
Full specification table
Relative to database
Benchmark Scores
Overall Score
Composite across 5 dimensions