4B5272 Washer for Caterpillar Equipment

4B5272 is a flat washer used with Caterpillar equipment in applications including articulated dump trucks, cold planers, and paving compactors. The part is supplied for use with 7/16-inch bolts and is listed in the C-Series Head Bolts category.

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

Fitment

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

• Caterpillar articulated dump trucks
• Caterpillar cold planers
• Caterpillar paving compactors
• Caterpillar 725
• Caterpillar 730
• Caterpillar 735
• Caterpillar 740
• Caterpillar PR-1000
• Caterpillar PR-1000C
• Caterpillar PF-290B
• Caterpillar PS-150B

Fitment information identifies the washer for the Caterpillar 725, 730, 735, and 740 articulated dump truck models, as well as the Caterpillar PR-1000, PR-1000C, PF-290B, and PS-150B machines. The washer may be used in equipment assemblies where the specified 7/16-inch bolt size and washer dimensions are required.

Cross-reference numbers

4B5272 and 4B-5272 are the part number formats associated with this washer. Verify the number stamped or specified for the machine assembly before installation, particularly where multiple washer sizes are used.

Specifications

The dimensions identify the washer as a flat, round component with a 0.5-inch inner diameter, a 1.248-inch outer diameter, and a thickness of 0.079 inch. The specified material is soft steel with a minimum yield strength of 140 MPa. The listed weight and package dimensions are 0.1 lb, 3.1 cm in length, 3.1 cm in width, and 0.3 cm in depth.