Image | Item No. | Description |
| 4019 | Technic, Gear 16 Tooth - Axle Hole with Open Sides Catalog: Parts: Technic, Gear |
| 3650a | Technic, Gear 24 Tooth Crown - Not Reinforced Catalog: Parts: Technic, Gear |
| x187 | Technic, Gear 24 Tooth with 3 Axle Holes Catalog: Parts: Technic, Gear |
| 73071 | Technic, Gear Differential 28 Tooth Catalog: Parts: Technic, Gear |
| 6573 | Technic, Gear Differential 24-16 Tooth Catalog: Parts: Technic, Gear |
| 65414 | Technic, Gear Differential Housing Catalog: Parts: Technic, Gear |
| 6588 | Technic, Gearbox 2 x 4 x 3 1/3 Catalog: Parts: Technic, Gear |
| 45360 | Technic, Gearbox 3 x 3 x 1 2/3 Catalog: Parts: Technic, Gear |
| 46217c01 | Technic, Gearbox 3 x 4 x 1 2/3 Catalog: Parts: Technic, Gear |
| 32166 | Technic, Gearbox Half Catalog: Parts: Technic, Gear |