3S1259 Seal Ring for Caterpillar Equipment

The 3S1259 Seal Ring is a transmission seal ring used in Caterpillar equipment, including engines, off-highway trucks, and track-type tractors. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 3S1259 and is listed for use on the Caterpillar models and machine series specified below. The available product data identifies the component as a seal ring within the transmission seal ring category.

Fitment

• Caterpillar 3524B engine
• Caterpillar C175- engine series
• Caterpillar C9 engine
• Caterpillar C9.3 engine
• Caterpillar 797 off-highway truck
• Caterpillar 797B off-highway truck
• Caterpillar 797F off-highway truck
• Caterpillar D7E track-type tractor

The listed fitment covers Caterpillar engine machines, Caterpillar off-highway trucks, and Caterpillar track-type tractors. Compatibility should be checked against the machine model and the part number installed on the equipment before assembly, especially where the same model is available in multiple configurations.

Cross-reference numbers

• Caterpillar 3S1259

3S1259 is the equipment manufacturer's part number associated with this seal ring and is also the SKU used to identify the CTP part. The same number may appear in parts documentation as 3S-1259.

Specifications

The seal ring is supplied as the 3S1259 component. No additional components, installation tools, or supplementary seals are specified in the available product data.