4L3754 Lock-Nut for D346, 773, 657B — SKU 4L3754

4L3754 is a nylon locknut used in Caterpillar equipment. It is listed for the Caterpillar D346 engine, Caterpillar 773 off-highway truck, and Caterpillar 657B wheel tractor-scraper. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is classified as a nylon locknut and is identified by the part number 4L3754. The listed applications cover equipment from three Caterpillar product groups: engines, off-highway trucks, and wheel tractor-scrapers. Application should be confirmed against the machine configuration and the part number installed on the equipment.

Fitment

• Caterpillar D346 engine
• Caterpillar 773 off-highway truck
• Caterpillar 657B wheel tractor-scraper

The fitment information identifies 4L3754 for the D346, 773, and 657B models. The D346 application is listed under Caterpillar engines. The 773 application is listed under Caterpillar off-highway trucks. The 657B application is listed under Caterpillar wheel tractor-scrapers.

No additional model series, machine configurations, or installation positions are specified in the available product data. Accordingly, the fitment list is limited to the three Caterpillar models stated above.

Cross-reference numbers

4L3754 is the identified Caterpillar part number for this locknut and is also the listed interchange number. No additional supplier reference numbers are provided in the available data.

Specifications

The available dimensional data is stated as length, width, and depth in centimetres. The listed weight is 0.1 lb. Thread size, pitch, nut height, across-flats dimension, material grade, locking insert details, and installation torque are not specified in the available product information.

The supplied part is identified as one locknut. No additional fasteners, washers, hardware, or installation components are listed as included.