3S0311 Connecting Rod for Caterpillar Equipment

3S0311 is a connecting rod used in the track tensioning and mechanical return systems of Caterpillar track-type tractors and pipelayers. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The rod is associated with the undercarriage track tensioning arrangement, which includes return springs and a grease-filled adjusting cylinder. Within this system, the idler wheel can move in response to track adjustment and undercarriage loads. The listed application data identifies this part for Caterpillar D5 track-type tractors and Caterpillar 561B and 561C pipelayers.

Fitment

• Equipment brand: Caterpillar
• Equipment type: Track-type tractor
• Machine series/model: D5
• Equipment type: Pipelayer
• Machine models: 561B and 561C

The available application information groups the part under the Caterpillar D5 track-type tractor range and the 561B and 561C pipelayer models. Model identification should be checked against the machine’s parts documentation before installation, particularly where the same equipment series has different undercarriage configurations.

Cross-reference numbers

• 3S-0311
• 3S0311

3S0311 is the SKU and unhyphenated part-number format shown for this connecting rod. The hyphenated format 3S-0311 is also used for the same part-number reference in the equipment application data.

Specifications

The stated dimensions and weight are the available product specifications: 61 cm in length, 20 cm in width, 20 cm in depth, and 27.2 lb in weight. The supplied data does not specify the rod material, thread dimensions, mounting hardware, or additional components included with the part.