1B8724 Woodruff Key for Caterpillar Equipment — SKU 1B8724

The 1B8724 Woodruff key is a mechanical fastening part used in Caterpillar equipment, including Caterpillar engines and track-type tractors. It is identified for use with Caterpillar 3306, 6A, 6S, and D6E SR models. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed as a Caterpillar key under the number 1B8724. The same number may also be written in hyphenated format as 1B-8724. The Woodruff key category covers small semicircular machine keys used to connect a rotating component to a shaft and maintain the component’s position during operation.

Fitment

The available application data identifies this part for the following Caterpillar equipment and model designations:

• Caterpillar engine-machine applications
• Caterpillar track-type tractor applications
• Caterpillar 3306
• Caterpillar 6A
• Caterpillar 6S
• Caterpillar D6E SR

Fitment should be checked against the machine model, serial number, and the key installed in the relevant shaft or assembly before ordering. The supplied application information specifies the equipment brand and model designations above but does not identify a particular shaft, pulley, gear, or engine position.

Cross-reference numbers

Numbers 1B8724 and 1B-8724 refer to the same catalog identification for this key. The available product data does not provide additional supplier numbers or a separate dimensional key designation.

Specifications

The listed length, width, and depth are the catalog dimensions supplied for SKU 1B8724. No material grade, hardness, shaft size, groove dimensions, thread specification, or installation hardware is provided in the available product data. The product description covers the key itself; no additional components or installation kit contents are specified.