| Image | Item No. | Description | By |
| 32311 | Technic, Arm 1 x 7 x 3 with Gear Ends
Catalog: Parts: Technic, Gear | 1 |
| 3647 | Technic, Gear 8 Tooth
Catalog: Parts: Technic, Gear | 355 |
| 10928 | Technic, Gear 8 Tooth with Dual Face
Catalog: Parts: Technic, Gear | 7 |
| 69778 | Technic, Gear 12 Tooth
Catalog: Parts: Technic, Gear | 2270 |
| 6589 | Technic, Gear 12 Tooth Bevel
Catalog: Parts: Technic, Gear | 21 |
| 32270 | Technic, Gear 12 Tooth Double Bevel
Catalog: Parts: Technic, Gear | 20 |
| 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 | 6 |
| 4019 | Technic, Gear 16 Tooth - Axle Hole with Open Sides
Catalog: Parts: Technic, Gear | 9 |
| 6542 | Technic, Gear 16 Tooth with Clutch
Catalog: Parts: Technic, Gear | 2 |
| 18946 | Technic, Gear 16 Tooth with Clutch on Both Sides
Catalog: Parts: Technic, Gear | 7 |
| 6542b | Technic, Gear 16 Tooth with Clutch, Smooth
Catalog: Parts: Technic, Gear | 1 |
| 69779 | Technic, Gear 20 Tooth
Catalog: Parts: Technic, Gear | 4 |
| 32198 | Technic, Gear 20 Tooth Bevel
Catalog: Parts: Technic, Gear | 3 |
| 87407 | Technic, Gear 20 Tooth Bevel with Pin Hole
Catalog: Parts: Technic, Gear | 1 |
| 32269 | Technic, Gear 20 Tooth Double Bevel
Catalog: Parts: Technic, Gear | 25 |
| 35185 | Technic, Gear 20 Tooth Double Bevel with Clutch on Both Sides
Catalog: Parts: Technic, Gear | 11655 |
| 60c01 | Technic, Gear 24 Tooth Clutch
Catalog: Parts: Technic, Gear | 3 |
| 3650 | Technic, Gear 24 Tooth Crown (Undetermined Type)
Catalog: Parts: Technic, Gear | 1 |
| 3650b | Technic, Gear 24 Tooth Crown - Reinforced
Catalog: Parts: Technic, Gear | 3 |
| 3648 | Technic, Gear 24 Tooth with 1 Axle Hole
Catalog: Parts: Technic, Gear | 369 |
| x187 | Technic, Gear 24 Tooth with 3 Axle Holes
Catalog: Parts: Technic, Gear | 1 |
| 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 | 4 |
| 3649 | Technic, Gear 40 Tooth
Catalog: Parts: Technic, Gear | 84 |
| 6573 | Technic, Gear Differential 24-16 Tooth
Catalog: Parts: Technic, Gear | 2 |
| g15 | Technic, Gear Expert Builder 15 Tooth with Axle Hole
Catalog: Parts: Technic, Gear | 201 |
| 3743 | Technic, Gear Rack 1 x 4
Catalog: Parts: Technic, Gear | 31 |
| 87761 | Technic, Gear Rack 1 x 7 with Axle and Pin Holes
Catalog: Parts: Technic, Gear | 1 |
| 6630 | Technic, Gear Rack 1 x 8 with Holes
Catalog: Parts: Technic, Gear | 62 |
| 6592 | Technic, Gear Rack 1 x 10 with Holes
Catalog: Parts: Technic, Gear | 7 |
| 18940 | Technic, Gear Rack 1 x 14 x 2 Housing
Catalog: Parts: Technic, Gear | 234 |
| 743 | Technic, Gear Samsonite 35 Tooth
Catalog: Parts: Technic, Gear | 104 |
| 32060 | Technic, Gear Timing Wheel 8 Tooth
Catalog: Parts: Technic, Gear | 1 |
| 4716 | Technic, Gear Worm Screw, Long
Catalog: Parts: Technic, Gear | 247 |
| 32905 | Technic, Gear Worm Screw, Long, Axle Opening Type II
Catalog: Parts: Technic, Gear | 7 |
| 27938 | Technic, Gear Worm Screw, Short
Catalog: Parts: Technic, Gear | 4 |
| 6585 | Technic, Gearbox 4 x 4 x 1 2/3
Catalog: Parts: Technic, Gear | 150 |
| 32166 | Technic, Gearbox Half
Catalog: Parts: Technic, Gear | 152 |