Gear 3T4009 for Caterpillar Equipment

3T4009 is a bevel gear used in Caterpillar track-type tractors and pipelayers. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The gear is listed for the following Caterpillar equipment models and series:

• Track-type tractors: 56, 56H, 57H, 6, 6A, 6S, 6SU, 7, 7S, 7S LGP, 7SU, 8, 8A, 8SU, 8U.
• D-series and related track-type tractors: D7H, D7R, D7R II, D7R LGP, D7R Series, D7R XR, D8N, D8R, D8R II, D8GC, D8 GC.
• Pipelayers: 572R, 572R II, 578, 583R, 587R, 587T, PL72, PL87.

Application should be confirmed by matching the equipment model and the required part number before installation, especially where several machines use the same series designation.

Cross-reference numbers

The part number is presented in the following formats:

Specifications