Pinion-drive 2W6079 for Caterpillar Air Starter Motors

Pinion-drive 2W6079 is a drive gear component for air starter motors installed on Caterpillar industrial engines, marine engines and engine-generator sets. It engages with the engine flywheel during air starting and transmits torque through the starter drive assembly. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The part is used with the following Caterpillar engine and power-unit models:

• Industrial engines: 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C
• Industrial engines: D379, D379B, D398, D398B, D399, G3512, G379, G379A, G398, G399
• Marine products: 3508, 3508B, 3512, 3516
• Marine products: D379A, D379B, D398A, D398B, D399
• Engine-generator sets: D399

Fitment should be checked against the engine model and the installed air starter motor before part replacement.

Cross-reference numbers

• 2W6079
• 2W-6079

Specifications