6Y2281 Ring Seal for Caterpillar Transmission

6Y2281 is a transmission seal ring used in Caterpillar equipment. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The seal ring is listed for Caterpillar tracked bulldozers, off-road dump trucks, wheeled tractor-scrapers, underground articulated dump trucks, and articulated dump trucks. The applicable machine models are listed below by equipment type.

Fitment

• Tracked bulldozer: Caterpillar D11.
• Off-road dump trucks: Caterpillar 771C, 771D, 772, 772G, 772G OEM, 773GC, 776C, 776D, 777C, and 777D.
• Wheeled tractor-scrapers: Caterpillar 631E and 637E.
• Underground articulated dump trucks: Caterpillar AD40, AD45, AD45B, AD55, AE40, and AE40 II.
• Articulated dump trucks: Caterpillar 735, 735 OEM, 735B, 740, 740B, and D400E II.

Fitment is identified by the Caterpillar equipment model designations shown above. The part is categorized as a transmission seal ring and is intended for the corresponding transmission application on the listed machines.

Cross-reference numbers

• 6Y-2281
• 6Y2281

6Y-2281 is the hyphenated part-number format associated with SKU 6Y2281. Both formats identify the same seal ring reference in the supplied application data.

Specifications

The listed dimensions and weight are the supplied product measurements. The available data does not specify the seal material, internal or external diameter, cross-section, mounting position, or additional items included with the part.