8T4750 Oil Seal for Caterpillar Equipment

The 8T4750 is an oil seal, also identified by the formatted part number 8T-4750, designed for use in rotating units on Caterpillar equipment. It is a lip seal with a rubber main sealing element and is used to retain oil while limiting the entry of external contamination at the sealed rotating assembly.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The seal is listed for the following Caterpillar equipment types and models:

• Caterpillar backhoe loaders
• Caterpillar earthmoving compactors
• Caterpillar engine-machine applications
• Caterpillar 446B
• Caterpillar 446D
• Caterpillar 826G
• Caterpillar 826G II
• Caterpillar 826H
• Caterpillar 825G
• Caterpillar 825G II
• Caterpillar 825H
• Caterpillar 3114
• Caterpillar 3116

Application should be confirmed against the machine model, serial number and the dimensions of the removed seal before installation. The listed fitment covers the Caterpillar models and equipment categories provided for part number 8T4750.

Cross-reference numbers

• 8T4750
• 8T-4750

The two numbers above refer to the same seal designation with and without the hyphen formatting. The product SKU is 8T4750.

Specifications

The 57 mm hole diameter and 38 mm shaft diameter are the listed dimensional references for this part. The seal dimensions should be compared with the installation location and the removed component before fitting, particularly where more than one seal is used in a machine assembly.