6T0257 Ring for Caterpillar Equipment

6T0257 is a transmission seal ring for Caterpillar equipment. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The listed applications include Caterpillar articulated trucks, ejector trucks, petroleum engines, petroleum packages, petroleum transmissions, pipelayers, and track-type tractors. Compatibility is identified by the equipment model or series listed below.

Fitment

• Articulated trucks: Caterpillar 725, 725C, 730, and 735.
• Ejector trucks: Caterpillar 730.
• Petroleum engine: Caterpillar C9.
• Petroleum packages: Caterpillar TH35-C11I, TH35-C13I, TH35-C13T, TH35-C15I, and TH35-C15T.
• Petroleum transmissions: Caterpillar TH31-E61 and TH35-E81.
• Pipelayers: Caterpillar 578 and 589.
• Track-type tractors: Caterpillar D10N, D6H, D6H XL, D7H, D8L, D9L, D9N, and D9R.

The part is listed for use across several Caterpillar equipment groups. The model designations include standard machine models, model variants, and transmission or package designations. The D6H XL is listed separately from the D6H, while the Caterpillar 730 appears in both the articulated truck and ejector truck applications.

Specifications

The dimensions and weight above are the listed product parameters. The supplied data does not specify the ring material, sealing profile, internal or external diameter, thickness, thread, installation position, or additional components included with the part.