2Y8973 Backup Ring for Caterpillar Equipment

2Y8973 is a backup ring used in transmission seal ring applications on Caterpillar equipment. It is identified as a spare component for the sealing assembly and is fitted to selected Caterpillar backhoe loaders and soil compactors. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part number for this backup ring is 2Y8973. The supplied application data identifies the compatible equipment by machine type and model series. Fitment should be checked by comparing the machine model and the required part number before installation.

Fitment

• Manufacturer of equipment: Caterpillar
• Equipment type: Backhoe loader
• Backhoe loader models: 426B, 426C, 428C, 436B, 436C, 438B, 438C, 446B, 446D, 450E
• Equipment type: Soil compactor
• Soil compactor models: 825G, 825G II, 825H, 825K

The listed backhoe loader applications include the 426, 428, 436, 438, 446 and 450 model series. The listed soil compactor applications include the 825G, 825G II, 825H and 825K models. These model designations are provided as the available fitment information for part 2Y8973.

For the backhoe loader group, the specified applications are 426B, 426C, 428C, 436B, 436C, 438B, 438C, 446B, 446D and 450E. For the soil compactor group, the specified applications are 825G, 825G II, 825H and 825K. No additional Caterpillar machine models are included in the available product data.

Specifications

The recorded dimensions are 11 cm in length, 11 cm in width and 0.5 cm in depth. The recorded weight is 0.1 lb. These values describe the supplied part data for SKU 2Y8973; no additional material specification, thread information, installation position or kit contents are provided.