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Legos Technic Heavy Duty Differential

Print Profile(1)

All
A1 mini
P1P
X1 Carbon
H2D
A1
P1S
X1
P2S
X1E
H2S
H2D Pro
H2C
X2D
A2L

Fixed Version - Standard, Clutch and Bevel Gear
Fixed Version - Standard, Clutch and Bevel Gear
Designer
5 h
2 plates
4.4(29)

Open in Bambu Studio
Boost
252
549
40
3
502
281
Released 

Description

UPDATE 10/2025

Fixed the hole dimensions for the axles. A design error adjusted the final hole dimensions to 4,95 mm, making it hard for the axle to pass through and spin freely. Now the hole dimension is set to 5,1 mm. If you have any further problems with these dimensions, let me know or adjust the hole compensation in the slicer.

 

The 3mf and stl files have been updated.

UPDATE 09/2025

Added 28t Bevel Gear Version, in order to work in the old differential configuration with the 20t gear.

Fixed a small design error in the previous version. Updated the STL and 3MF files.

DESCRIPTION

Printable LegoTechnic compatible heavy-duty differential.

Just like the original, it uses 5x12t gears.

 

Easy to print and assemble; no supports needed. I suggest printing them with the SuperTack plate for optimal adhesion of the clutch version gears. It is available in 28t and 36t gear.

 

It is possible to print it in PLA, but I suggest using a more suitable material, such as PETG or ABS.

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