8S4739 Hex Head Bolts, Phosphate and Oil Coated

8S4739 is a hex head bolt for Caterpillar equipment, including track loaders, track-type tractors, wheel dozers, and wheel loaders. The bolt has a phosphate and oil coated finish. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The part is listed for the following Caterpillar equipment models and machine series:

• Track loaders: 941, 963, 973.
• Track-type tractors: 30/30, D8L, D9L, Deuce.
• Wheel dozer: 824C.
• Wheel loaders: 980C, 980F, 980F II.

The listed applications cover Caterpillar machines in several equipment categories. Model identification should be checked against the machine serial number and the existing fastener before installation, as the supplied fitment data identifies the machine models but does not specify a serial-number range or installation position.

For track loader applications, the listed models are Caterpillar 941, 963, and 973. For track-type tractor applications, the listed designations are 30/30, D8L, D9L, and Deuce. The wheel dozer application is identified as Caterpillar 824C. The wheel loader applications are Caterpillar 980C, 980F, and 980F II.

Specifications

The supplied dimensional data lists a length of 12.2 cm, a width of 2 cm, and a depth of 2 cm. The listed weight is 0.4 lb. Thread size, thread pitch, bolt grade, material specification, installation position, tightening torque, and package contents are not specified in the available product data.