| Image | Item No. | Description | By |
| 32311 | Technic, Arm 1 x 7 x 3 with Gear Ends
Catalog: Parts: Technic, Gear | 104 |
| 3647 | Technic, Gear 8 Tooth
Catalog: Parts: Technic, Gear | 455 |
| 10928 | Technic, Gear 8 Tooth with Dual Face
Catalog: Parts: Technic, Gear | 134 |
| 11955 | Technic, Gear 8 Tooth with Dual Face without Friction
Catalog: Parts: Technic, Gear | 18 |
| 18590 | Technic, Gear 8 Tooth with Pin Holes and Ninjago Flywheel Socket - Short Shaft
Catalog: Parts: Technic, Gear | 1 |
| 69778 | Technic, Gear 12 Tooth
Catalog: Parts: Technic, Gear | 3 |
| 6589 | Technic, Gear 12 Tooth Bevel
Catalog: Parts: Technic, Gear | 22 |
| 32270 | Technic, Gear 12 Tooth Double Bevel
Catalog: Parts: Technic, Gear | 32 |
| 4143 | Technic, Gear 14 Tooth Bevel Thin
Catalog: Parts: Technic, Gear | 7 |
| 94925 | Technic, Gear 16 Tooth - Axle Hole with Closed Sides
Catalog: Parts: Technic, Gear | 21 |
| 4019 | Technic, Gear 16 Tooth - Axle Hole with Open Sides
Catalog: Parts: Technic, Gear | 59 |
| 6542 | Technic, Gear 16 Tooth with Clutch
Catalog: Parts: Technic, Gear | 1977 |
| 18946 | Technic, Gear 16 Tooth with Clutch on Both Sides
Catalog: Parts: Technic, Gear | 5 |
| 6542b | Technic, Gear 16 Tooth with Clutch, Smooth
Catalog: Parts: Technic, Gear | 16 |
| 69779 | Technic, Gear 20 Tooth
Catalog: Parts: Technic, Gear | 1 |
| 32198 | Technic, Gear 20 Tooth Bevel
Catalog: Parts: Technic, Gear | 10 |
| 87407 | Technic, Gear 20 Tooth Bevel with Pin Hole
Catalog: Parts: Technic, Gear | 2 |
| 32269 | Technic, Gear 20 Tooth Double Bevel
Catalog: Parts: Technic, Gear | 23 |
| 35185 | Technic, Gear 20 Tooth Double Bevel with Clutch on Both Sides
Catalog: Parts: Technic, Gear | 3 |
| 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 | 599 |
| x187 | Technic, Gear 24 Tooth with 3 Axle Holes
Catalog: Parts: Technic, Gear | 40 |
| 46372 | Technic, Gear 28 Tooth Double Bevel
Catalog: Parts: Technic, Gear | 4 |
| 65413 | Technic, Gear 28 Tooth Double Bevel with Pin Hole
Catalog: Parts: Technic, Gear | 2 |
| 32498 | Technic, Gear 36 Tooth Double Bevel
Catalog: Parts: Technic, Gear | 2 |
| 3649 | Technic, Gear 40 Tooth
Catalog: Parts: Technic, Gear | 84 |
| - | 62821u | Technic, Gear Differential 28 Tooth Bevel (Undetermined Type)
X Catalog: Parts: Technic, Gear | 3 |
| 62821b | Technic, Gear Differential 28 Tooth Bevel - Inner Tabs with Closed Center
Catalog: Parts: Technic, Gear | 15 |
| 62821a | Technic, Gear Differential 28 Tooth Bevel - Inner Tabs with Open Center
Catalog: Parts: Technic, Gear | 10 |
| 6573 | Technic, Gear Differential 24-16 Tooth
Catalog: Parts: Technic, Gear | 2216 |
| 65414 | Technic, Gear Differential Housing
Catalog: Parts: Technic, Gear | 2 |
| 3743 | Technic, Gear Rack 1 x 4
Catalog: Parts: Technic, Gear | 15 |
| 87761 | Technic, Gear Rack 1 x 7 with Axle and Pin Holes
Catalog: Parts: Technic, Gear | 1 |
| 6592 | Technic, Gear Rack 1 x 10 with Holes
Catalog: Parts: Technic, Gear | 1 |
| 64781 | Technic, Gear Rack 1 x 13 with Axle and Pin Holes
Catalog: Parts: Technic, Gear | 4 |
| 4716 | Technic, Gear Worm Screw, Long
Catalog: Parts: Technic, Gear | 7 |
| 27938 | Technic, Gear Worm Screw, Short
Catalog: Parts: Technic, Gear | 1 |
| 44556 | Technic, Gear, Hailfire Droid Wheel
Catalog: Parts: Technic, Gear | 562 |
| 6588 | Technic, Gearbox 2 x 4 x 3 1/3
Catalog: Parts: Technic, Gear | 1 |
| 46217c01 | Technic, Gearbox 3 x 4 x 1 2/3
Catalog: Parts: Technic, Gear | 3 |
| 6585 | Technic, Gearbox 4 x 4 x 1 2/3
Catalog: Parts: Technic, Gear | 1 |
| 32166 | Technic, Gearbox Half
Catalog: Parts: Technic, Gear | 255 |