2W-6078 12-Tooth Drive Pinion
Cat® drive pinion is a gear component that meshes with other gears or mechanisms to transmit rotary motion
Description
The Cat air starting motor drive pinion is used to engage and rotate the engine flywheel during air starting.
Features
- Hardened to withstand high impact.
- High torque transmission
- Drive Shaft Interface: 6 teeth, right-hand helical spline
Applications
Used with Cat air starting motors.
Specifications
| Material | Carbon Steel |
|---|---|
| Outside Diameter | 57.1 mm (2.2 in) |
| Thickness | 28 mm (1.1 in) |
Compatible Equipment
- Generator Sets: G3516, 3512B, 3516C
- Motor Graders: 3606
- Engines: C32, C27
- Excavators: 3516B, 3512C, 3508B, 3516E
- Off-Highway Trucks: 785D, 785, 789D, 789, 793D, 793, 793F, 797F, 777D





