| | 3647 | 4 | Technic Gear 8 Tooth |
| | 3648a | 3 | Technic Gear 24 Tooth [Old Style - Three axle holes] |
| | 3649 | 2 | Technic Gear 40 Tooth |
| | 3650a | 2 | Technic Gear 24 Tooth Crown with Flat Teeth |
| | 3736 | 1 | Technic Steering Pulley Large |
| | 3743 | 6 | Technic Gear Rack 1 x 4 |
| | 4019 | 2 | Technic Gear 16 Tooth with Round Holes [Old Style] |
| | 4185 | 1 | Technic Wedge Belt Wheel [aka Pulley] |
![Technic Gear 24 Tooth [Old Style - Three axle holes]](https://cdn.rebrickable.com/media/parts/ldraw/7/3648a.png)
![Technic Gear 16 Tooth with Round Holes [Old Style]](https://cdn.rebrickable.com/media/parts/ldraw/7/4019.png)
![Technic Wedge Belt Wheel [aka Pulley]](https://cdn.rebrickable.com/media/parts/elements/4100502.jpg)