8N9018 Main Bearing for Caterpillar

The 8N9018 main bearing is an engine bearing used in equipment manufactured by Caterpillar. The available application data identifies this part for Caterpillar 3208 engines, including truck engine, industrial engine, and ship equipment applications, as well as selected Caterpillar excavator and forest machine models. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed as a main bearing for the engine. Its specified applications cover Caterpillar equipment using the 3208 engine and the machine models listed below. Fitment should be checked against the engine configuration and the part number installed on the machine before assembly.

Fitment

• Caterpillar 3208 Truck Engine
• Caterpillar 3208 Industrial Engine
• Caterpillar 3208 Ship Equipment
• Caterpillar 225D Excavator
• Caterpillar 231D Excavator
• Caterpillar 227 Forest Machine

The 3208 application is specified for three equipment categories: truck engines, industrial engines, and ship equipment. The 225D and 231D applications are identified as excavators, while the 227 application is identified as a forest machine.

Cross-reference numbers

• 8N-9018
• 8N9018

8N9018 is the SKU format supplied for this product. The same part number is also shown in the hyphenated format 8N-9018 in the application data.

Specifications

The listed dimensions are 12.7 cm in length, 7 cm in width, and 6.35 cm in depth. The specified weight is 0.5 lb. The available product data does not identify the bearing material, shell thickness, oversize or undersize designation, or the number of bearing pieces included. These parameters should be confirmed separately when the engine requires a specific bearing size or configuration.