1280383 Main Bearing (0.76-MM US) for Caterpillar

1280383 is a main engine bearing for Caterpillar articulated dump trucks and Caterpillar Challenger equipment. The bearing is designated for a 0.76 mm undersize application and is supplied as a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified as an engine main bearing and is used in the engine bearing assembly of the listed Caterpillar machines. The product SKU is 1280383.

Fitment

The bearing is listed for the following Caterpillar equipment models and series:

• Caterpillar 725 articulated dump truck
• Caterpillar 730 articulated dump truck
• Caterpillar 65E Challenger
• Caterpillar 75D Challenger
• Caterpillar 75E Challenger
• Caterpillar 85D Challenger
• Caterpillar 85E Challenger
• Caterpillar 95E Challenger
• Caterpillar MT835 Challenger

Equipment brand: Caterpillar.

Application type: articulated dump truck and Challenger equipment, according to the listed fitment information. Model compatibility should be checked against the machine serial number and the required bearing size before installation.

Cross-reference numbers

1280383 is the identified Caterpillar reference number for this main bearing. The same number is used as the SKU for the CTP aftermarket part.

Specifications

The 0.76 mm undersize designation identifies the bearing size stated for this product. The dimensions and weight above refer to the listed product data. The supplied item is a main bearing; no additional engine components or installation hardware are specified as included.