Image | Item No. | Description | By |
| 32185 | Technic, Gear Rack 1 x 14 with Holes Catalog: Parts: Technic, Gear | 1 |
| 18940 | Technic, Gear Rack 1 x 14 x 2 Housing Catalog: Parts: Technic, Gear | 8 |
| 18942 | Technic, Gear Rack 1 x 14 x 2 with Axle and Pin Holes Catalog: Parts: Technic, Gear | 9 |
| 78442 | Technic, Gear Rack 6 x 6 Curved Catalog: Parts: Technic, Gear | 3 |
| 24121 | Technic, Gear Rack 11 x 11 Curved Catalog: Parts: Technic, Gear | 12 |
| 741 | Technic, Gear Samsonite 14 Tooth Catalog: Parts: Technic, Gear | 89 |
| 742 | Technic, Gear Samsonite 21 Tooth Catalog: Parts: Technic, Gear | 2 |
| 743 | Technic, Gear Samsonite 35 Tooth Catalog: Parts: Technic, Gear | 1 |
| 32060 | Technic, Gear Timing Wheel 8 Tooth Catalog: Parts: Technic, Gear | 352 |
| 15457 | Technic, Gear Worm Screw with 2 Bushes Catalog: Parts: Technic, Gear | 2 |
| 4716 | Technic, Gear Worm Screw, Long Catalog: Parts: Technic, Gear | 1280 |
| 32905 | Technic, Gear Worm Screw, Long, Axle Opening Type II Catalog: Parts: Technic, Gear | 22 |
| 27938 | Technic, Gear Worm Screw, Short Catalog: Parts: Technic, Gear | 9 |
| 768 | Technic, Gearbox 2 x 4 x 3 Catalog: Parts: Technic, Gear | 1 |
| 6588 | Technic, Gearbox 2 x 4 x 3 1/3 Catalog: Parts: Technic, Gear | 23 |
| 46217c01 | Technic, Gearbox 3 x 4 x 1 2/3 Catalog: Parts: Technic, Gear | 1 |
| 46220c01 | Technic, Gearbox 4 x 2 x 4 (Worm to 24-tooth) Catalog: Parts: Technic, Gear | 1 |
| 6585 | Technic, Gearbox 4 x 4 x 1 2/3 Catalog: Parts: Technic, Gear | 5 |
| 32166 | Technic, Gearbox Half Catalog: Parts: Technic, Gear | 361 |