Gears and transmission
Differential Gearbox
- Bounding box
- 270 × 190 × 70.7 mm
- Engine
- 3D Printing B-rep
- Parameters
- 19
- Published
- November 13, 2026
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The prompt
I want to create a simple differential gearbox with one prop turning two geared axles to each of the wheels on the rear.
Parameters
| Name | Value | Range |
|---|---|---|
| Housing width left-right | 120 mm | 80 – 200 |
| Housing depth front-back | 80 mm | 60 – 120 |
| Housing height | 60 mm | 40 – 100 |
| Housing wall thickness | 2 mm | 1.2 – 4 |
| Input shaft length | 150 mm | 100 – 220 |
| Input shaft diameter | 8 mm | 4 – 15 |
| Input pinion diameter | 25 mm | 15 – 40 |
| Crown wheel diameter | 70 mm | 50 – 110 |
| Crown wheel thickness | 10 mm | 6 – 20 |
| Differential carrier diameter | 50 mm | 30 – 80 |
| Differential carrier length | 35 mm | 20 – 60 |
| Side gear diameter | 28 mm | 18 – 45 |
| Side gear thickness | 8 mm | 5 – 15 |
| Spider gear diameter | 18 mm | 10 – 30 |
| Spider gear thickness | 7 mm | 4 – 14 |
| Axle length from diff centre to wheel | 120 mm | 70 – 200 |
| Axle diameter | 8 mm | 4 – 14 |
| Wheel diameter | 60 mm | 40 – 100 |
| Wheel width | 20 mm | 10 – 40 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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