3T3725 Ring Seal for Caterpillar

The 3T3725 Ring Seal is a transmission seal ring for Caterpillar equipment. It is used in the listed articulated trucks, ejector trucks, quarry trucks, reclaimers, stabilizer mixers, tractors, trucks, underground articulated trucks, and wheel tractors. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

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

• Articulated trucks: 735, 735B, 740, 740B, D400E II
• Ejector trucks: 740, 740B, D400E II
• Quarry trucks: 771C, 771D
• Reclaimer mixers: RM-350B
• Road reclaimers: model designation listed as Road Reclaimer
• Stabilizer mixers: SM-350
• Tractors: 768C
• Trucks: 69D, 769C, 769D, 770, 770G, 770G OEM, 772, 772G, 772G OEM
• Underground articulated trucks: AD40, AD45, AD45B, AD55, AE40, AE40 II
• Wheel tractors: 637E

Fitment is specified by the equipment manufacturer’s brand and model designations listed above. The 3T3725 part number identifies the ring seal used for the applicable Caterpillar transmission sealing application.

Specifications