1900643 Belt Tightener for Caterpillar Equipment

The 1900643 belt tightener, also identified as a tensioner, is used on Caterpillar equipment in the Challenger and paving compactor product lines. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

This belt tightener is listed for Caterpillar MT835, MT845, MT855, MT865, MTC835, MTC845, MTC855, MTC865, CP-44, and CP-56 machines. The part number for identification and application matching is 1900643.

Fitment

• Equipment manufacturer: Caterpillar
• Equipment line: Challenger
• Equipment line: Paving Compactor
• Machine model: Caterpillar MT835
• Machine model: Caterpillar MT845
• Machine model: Caterpillar MT855
• Machine model: Caterpillar MT865
• Machine model: Caterpillar MTC835
• Machine model: Caterpillar MTC845
• Machine model: Caterpillar MTC855
• Machine model: Caterpillar MTC865
• Machine model: Caterpillar CP-44
• Machine model: Caterpillar CP-56

The listed applications include both Challenger tracked equipment and paving compactor machines. Fitment should be checked by comparing the machine model and the applicable belt-tightener number before installation. The supplied product data identifies the component by the 1900643 number and does not provide a separate position designation on the machine.

Cross-reference numbers

Number 1900643 is the SKU and the primary identification number for this belt tightener. Number 1441102 is listed as an interchangeable cross-reference for the same application. The cross-reference data supplied for this product contains no additional part numbers.

Specifications

The dimensional data describes the listed part as supplied: 12.1 cm in length, 12.1 cm in width, and 16 cm in depth, with a stated weight of 3.8 lb. No material specification, thread information, mounting hardware, or additional kit contents are provided for this item.