1786544 Piston Ring Set for Caterpillar Equipment

The 1786544 piston ring set is used in Caterpillar equipment, including engines installed in machines and excavators. The listed applications cover Caterpillar engine and machine equipment and Caterpillar excavator models identified below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The set is identified by SKU 1786544 and is classified as a piston ring set. Caterpillar is the manufacturer of the equipment for which this part is specified; CTP is the manufacturer of the supplied aftermarket part.

Fitment

The part is listed for use with the following Caterpillar equipment models and engine designations:

• Caterpillar 3064
• Caterpillar 3066
• Caterpillar C4.2
• Caterpillar C6
• Caterpillar C6.4
• Caterpillar 311C
• Caterpillar 311D LRR
• Caterpillar 312C
• Caterpillar 312C L
• Caterpillar 312D

The supplied fitment information identifies the equipment categories as Caterpillar engine-machine applications and Caterpillar excavator applications. Compatibility should be checked against the machine model, engine designation, and the part number installed on the specific unit before assembly.

The model references above are reproduced as equipment identifiers for this piston ring set. They include both numerical machine model designations and engine designations, so the exact application depends on the configuration of the equipment and engine.

Specifications

The dimensions shown above are the supplied product dimensions. The available data does not specify individual ring diameters, ring thicknesses, material, cylinder position, or the number of rings included in the set.