3S3439 Top Cover for Caterpillar Equipment

The 3S3439 Top Cover is a cover component used on Caterpillar equipment, including articulated dump trucks and engine-machine applications. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 3S3439. The available application data associates this top cover with Caterpillar articulated dump truck equipment and Caterpillar engine-machine equipment. The listed machine and engine models are provided below as the applicable fitment information for this part number.

Fitment

• Caterpillar 735 articulated dump truck
• Caterpillar 740 articulated dump truck
• Caterpillar D250E articulated dump truck
• Caterpillar D250E II articulated dump truck
• Caterpillar D300E articulated dump truck
• Caterpillar D300E II articulated dump truck
• Caterpillar 3176C engine-machine application
• Caterpillar 3306 engine-machine application
• Caterpillar 3406 engine-machine application

The 735 and 740 model designations refer to the Caterpillar articulated dump truck applications listed for the part. The D250E, D250E II, D300E, and D300E II designations are also listed under the articulated dump truck applications. The 3176C, 3306, and 3406 designations are listed under engine-machine applications.

Cross-reference numbers

Part number 3S3439 is used as both the product SKU and the Caterpillar equipment reference in the available data. Number 8M7623 is listed as another known supplier reference for this top cover. Cross-reference numbers should be checked against the identification of the cover and the equipment application before installation.

Specifications

The dimensional data available for the 3S3439 Top Cover is 11.3 cm in length, 4.2 cm in width, and 11.3 cm in depth. The listed part weight is 2 lb. No material specification, thread information, mounting hardware details, or additional kit contents are provided in the available product data.

The supplied fitment information identifies the part for Caterpillar 735 and 740 articulated dump trucks, D250E and D300E series machines, and applications using Caterpillar 3176C, 3306, and 3406 engines. The part is supplied as a top cover identified by 3S3439, with 8M7623 listed as an additional reference number.