1211257 Ring-Retaining Fits Caterpillar Models

One New Aftermarket Replacement Retaining Ring for Caterpillar (Cat) Construction Equipment

This retaining ring (Cat part number 121-1257) is a carbon steel internal retaining ring used in the undercarriage roller line sealing application on a wide range of Caterpillar (Cat) machines. With an outer diameter of 115.7 mm and a groove width of 3.05 mm, this ring secures components within housing bores and prevents axial movement of shafts and assemblies.

Specifications

• Type: Internal Retaining Ring
• Material: Carbon Steel
• Outside Diameter: 115.7 mm
• Thickness: 2.77 mm
• Groove Width: 3.05 mm
• Section Type: Rectangular
• Weight: 0.010 lbs.
• Application: Undercarriage roller line sealing

Compatible Models

Caterpillar Wheel Loaders: 986H, 988F, 988F II, 988G, 988H, 988K

Caterpillar Wheel Tractor-Scrapers / Compactors: 834B, 834G, 834H, 834K, 836, 836G, 836H, 836K

Caterpillar Track-Type Loaders / Dozers: 953C, 953D

Caterpillar Skidders: 517

Caterpillar Articulated Trucks: AD40, AD45, AD45B, AD55, AD55B, AD60

Caterpillar Ejector Trucks: AE40, AE40 II

Caterpillar Asphalt Pavers: AP-800C, AP-800D, AP-1055D

Caterpillar Screeds: AS2251, AS2301

Replaces Part Number(s):

1211257, 121-1257

Aftermarket Interchange Numbers

CA1211257

New aftermarket replacement part - not remanufactured, not used.