8D3877 Gear fit Caterpillar

The 8D3877 is a gear for engine applications in Caterpillar equipment, including Autograder machines and the 12G, 130G, 140G, and 160G models. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by the SKU 8D3877. The equipment brand associated with the listed fitment is Caterpillar; Caterpillar is the manufacturer of the machines on which this gear is used.

Fitment

• Caterpillar Autograder
• Caterpillar 12G
• Caterpillar 130G
• Caterpillar 140G
• Caterpillar 160G

The listed model designations identify the compatible Caterpillar equipment series. The available product data does not specify a particular machine position or engine arrangement within these models.

Cross-reference numbers

• 8D3877
• 8D-3877

8D3877 and 8D-3877 are number formats used to identify the same gear. No additional supplier or equipment-manufacturer reference numbers are provided in the available product data.

Specifications

The dimensional data is specified as outside diameter, inside diameter, and part length in inches. The separate centimetre values are listed as length, width, and depth. The available information does not identify whether these centimetre measurements refer to the gear itself or to its listed handling dimensions, so they are retained separately from the inch measurements.