1H1780 Gear A for Caterpillar

1H1780 is a gear assembly used in the oil pump assembly of Caterpillar equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The gear is identified by the Caterpillar equipment models listed below. The supplied product data specifies a 10-tooth design and identifies the component as Gear A.

Fitment

The gear assembly is listed for the following Caterpillar equipment models and machine series:

• 12E autograder
• 1673 truck engine
• 1673B truck engine
• 824 wheel bulldozer
• 951B track loader
• 955 track loader
• 955H track loader
• 955K track loader
• 977A track loader
• 977H track loader
• D330A engine and ship equipment
• D330B engine and ship equipment
• D333A engine and ship equipment
• D333B ship equipment
• D337 engine and ship equipment
• D342 industrial engine and ship equipment
• D342C industrial engine and ship equipment
• D4D tracked bulldozer
• G342C engine
• 561B pipe-layer
• 583H pipe-layer
• D8H tracked bulldozer

The source data associates the part with several Caterpillar equipment categories, including tracked bulldozers, autograders, wheel bulldozers, truck engines, ship equipment, industrial engines, pipe-layers, and track loaders. The listed machine application should be checked against the equipment model and existing part number before installation.

Cross-reference numbers

The product is identified by the following related part-number formats:

• 1H1780
• 1H-1780

SKU 1H1780 corresponds to the hyphenated part-number format 1H-1780 shown in the product data. No additional supplier or equipment-manufacturer cross-reference numbers are provided.

Specifications