Seal 5P5520 for Caterpillar Equipment

Seal 5P5520 is a lip-type shaft seal used in Caterpillar tracked bulldozers, wheel bulldozers, and earthwork compactors. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The seal is listed for the Caterpillar equipment models below. Model designations are grouped by machine type to support identification of the intended application before installation.

Fitment

Tracked bulldozers

• Caterpillar 58
• Caterpillar 58L
• Caterpillar 59L
• Caterpillar 59N
• Caterpillar 8
• Caterpillar 8A
• Caterpillar 8S
• Caterpillar 8U
• Caterpillar 9
• Caterpillar 9SU
• Caterpillar 9U
• Caterpillar D8L
• Caterpillar D9N
• Caterpillar D9R

Wheel bulldozers

• Caterpillar 824G
• Caterpillar 824G II
• Caterpillar 824H
• Caterpillar 844
• Caterpillar 844H
• Caterpillar 844K

Earthwork compactors

• Caterpillar 826G
• Caterpillar 826G II
• Caterpillar 826H

Fitment should be checked against the machine model and the installed seal dimensions. The listed applications include both tracked and wheeled Caterpillar equipment, so the machine series is part of the identification process for this component.

Cross-reference numbers

• 5P5520
• 5P-5520

Part number 5P-5520 is the hyphenated format of 5P5520. Both number formats identify the same seal reference used for the listed Caterpillar equipment applications.

Specifications

The primary dimensional values for installation identification are the 6.631-inch outside diameter, 5.625-inch shaft diameter, and 0.500-inch seal width. The polyurethane lip seal is supplied as an individual seal component; no additional parts or installation hardware are specified in the available product data.