| Image | Item No. | Description | By |
| 41666 | Technic, Arm 1 x 7 with Gear 9 Tooth Double Bevel Ends
Catalog: Parts: Technic, Gear | 2 |
| 3647 | Technic, Gear 8 Tooth
Catalog: Parts: Technic, Gear | 4 |
| 10928 | Technic, Gear 8 Tooth with Dual Face
Catalog: Parts: Technic, Gear | 2 |
| 11955 | Technic, Gear 8 Tooth with Dual Face without Friction
Catalog: Parts: Technic, Gear | 1 |
| 6589 | Technic, Gear 12 Tooth Bevel
Catalog: Parts: Technic, Gear | 17 |
| 32270 | Technic, Gear 12 Tooth Double Bevel
Catalog: Parts: Technic, Gear | 257 |
| 4143 | Technic, Gear 14 Tooth Bevel Thin
Catalog: Parts: Technic, Gear | 1 |
| 94925 | Technic, Gear 16 Tooth - Axle Hole with Closed Sides
Catalog: Parts: Technic, Gear | 2 |
| 4019 | Technic, Gear 16 Tooth - Axle Hole with Open Sides
Catalog: Parts: Technic, Gear | 1 |
| 6542 | Technic, Gear 16 Tooth with Clutch
Catalog: Parts: Technic, Gear | 1 |
| 6542b | Technic, Gear 16 Tooth with Clutch, Smooth
Catalog: Parts: Technic, Gear | 1 |
| 32269 | Technic, Gear 20 Tooth Double Bevel
Catalog: Parts: Technic, Gear | 151 |
| 81346 | Technic, Gear 20 Tooth with Clutch on Both Sides
Catalog: Parts: Technic, Gear | 887 |
| 3650b | Technic, Gear 24 Tooth Crown - Reinforced
Catalog: Parts: Technic, Gear | 1 |
| 3648 | Technic, Gear 24 Tooth with 1 Axle Hole
Catalog: Parts: Technic, Gear | 17 |
| 65413 | Technic, Gear 28 Tooth Double Bevel with Pin Hole
Catalog: Parts: Technic, Gear | 1 |
| 32498 | Technic, Gear 36 Tooth Double Bevel
Catalog: Parts: Technic, Gear | 3 |
| 3649 | Technic, Gear 40 Tooth
Catalog: Parts: Technic, Gear | 351 |
| 62821b | Technic, Gear Differential 28 Tooth Bevel - Inner Tabs with Closed Center
Catalog: Parts: Technic, Gear | 2 |
| 65414 | Technic, Gear Differential Housing
Catalog: Parts: Technic, Gear | 1 |
| g9 | Technic, Gear Expert Builder 9 Tooth with Axle Hole
Catalog: Parts: Technic, Gear | 1 |
| 3743 | Technic, Gear Rack 1 x 4
Catalog: Parts: Technic, Gear | 35 |
| 6630 | Technic, Gear Rack 1 x 8 with Holes
Catalog: Parts: Technic, Gear | 1 |
| 18940 | Technic, Gear Rack 1 x 14 x 2 Housing
Catalog: Parts: Technic, Gear | 1 |
| 4716 | Technic, Gear Worm Screw, Long
Catalog: Parts: Technic, Gear | 2 |
| 32905 | Technic, Gear Worm Screw, Long, Axle Opening Type II
Catalog: Parts: Technic, Gear | 1 |
| 32166 | Technic, Gearbox Half
Catalog: Parts: Technic, Gear | 198 |