4J1641 Trunnion for Caterpillar Equipment

4J1641 is a trunnion used in Caterpillar equipment, including Caterpillar engines, machines, and track-type tractors. The part is identified by the Caterpillar part number 4J1641 and the hyphenated number format 4J-1641.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The supplied application data lists the part for Caterpillar equipment using 3116, 3126B, 3304, 3306, C-9, C6.6, C9, 6A, 6S, and 6SU model or series designations.

Fitment

The trunnion is listed for the following Caterpillar equipment model and series designations:

• Caterpillar 3116
• Caterpillar 3126B
• Caterpillar 3304
• Caterpillar 3306
• Caterpillar C-9
• Caterpillar C6.6
• Caterpillar C9
• Caterpillar 6A
• Caterpillar 6S
• Caterpillar 6SU

The available fitment information groups these applications under Caterpillar engine-machine equipment and Caterpillar track-type tractors. Compatibility should be checked against the machine identification and the part number before installation, because the model designations listed above may cover different equipment configurations.

The model references are reproduced as provided in the product data. They identify the equipment families associated with the trunnion, but no additional machine serial-number ranges, production years, installation positions, or assembly diagrams are specified.

Cross-reference numbers

• 4J1641 — Caterpillar part number format without a hyphen
• 4J-1641 — Caterpillar part number format with a hyphen

Both number formats refer to the same identification supplied for this trunnion. No additional supplier cross-reference numbers are specified in the available data.

Specifications