Carbide 3D Shapeoko 5.1 Pro 4x4
#6 in LargeFull review
For a small shop that wants rails and ballscrews on a 4x4 bed with US support. Add the cost of a router before comparing it with machines that include one.
Carbide 3D $3,800$3,800
The Carbide 3D Shapeoko 5.1 Pro 4x4 is the better CNC router overall, rated 3.3 to 2.9. The Carbide 3D Shapeoko 5.1 Pro 4x4 leads on work area. The Carbide 3D Shapeoko 5.1 Pro 4x2 costs $250 less ($3,550 vs $3,800).
Carbide 3D Shapeoko 5.1 Pro 4x2
#10 in LargeFull review
For a small shop that wants rails and ballscrews on a 4x2 bed with US support. Add the cost of a router before comparing it with machines that include one.
Carbide 3D $3,550$3,550
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Carbide 3D Shapeoko 5.1 Pro 4x4 for work area (2,372 sq in (48.7 x 48.7 in) vs 1,193 sq in (48.7 x 24.5 in)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large CNC router; a clear win is highlighted. How we rank explains each one.
| Factor weight | Carbide 3D Shapeoko 5.1 Pro 4x4 | Carbide 3D Shapeoko 5.1 Pro 4x2 |
|---|---|---|
| Overall rating | 3.3/5 | 2.9/5 |
| Price 25% | 23 $3,800 | 28 $3,550 |
| Work area 15% | 100 2,372 sq in (48.7 x 48.7 in) | 21 1,193 sq in (48.7 x 24.5 in) |
| Spindle 15% | 50 spindle power not published (neutral score used) | 50 spindle power not published (neutral score used) |
| Motion 20% | 85 linear rails, screw or rack drive, limit switches | 85 linear rails, screw or rack drive, limit switches |
| Warranty 25% | 25 1.5-year warranty | 25 1.5-year warranty |
Specifications
| Carbide 3D Shapeoko 5.1 Pro 4x4 | Carbide 3D Shapeoko 5.1 Pro 4x2 | |
|---|---|---|
| Work area | ||
| Travel (X x Y x Z) | 48.7 x 48.7 x 6.1 in | 48.7 x 24.5 x 6.1 in |
| Area | 2,372 sq in | 1,193 sq in |
| Spindle | ||
| Spindle | 65 mm trim router mount (router not included) | 65 mm trim router mount (router not included) |
| Motion and control | ||
| Frame | custom extrusions on a rigid base frame | custom extrusions on a rigid base frame |
| Linear rails | Yes | Yes |
| Drive | Ball screw | Ball screw |
| Limit switches | Yes | Yes |
| Controller | Carbide Motion | Carbide Motion |
| Offline controller | No | No |
| Build | ||
| Warranty | 1.5 years | 1.5 years |
| Released | 2025-11 | 2025-11 |