8E4589 Carrier Assembly

The 8E4589 carrier assembly is a spare part used in Caterpillar equipment. It is listed for Caterpillar models 3046, 933, 3, D3C III, and D4C III, including applications associated with Caterpillar engines, track-type loaders, and track-type tractors.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The part is identified by SKU 8E4589 and is supplied as a carrier assembly for the listed Caterpillar equipment applications.

Fitment

The carrier assembly is specified for the following Caterpillar models and equipment series:

• Caterpillar 3046
• Caterpillar 933
• Caterpillar 3
• Caterpillar D3C III
• Caterpillar D4C III

The listed applications cover Caterpillar engine, track-type loader, and track-type tractor equipment. Fitment is determined by the machine model and the part number used in the relevant assembly; the model designation should therefore be checked against the existing component before installation.

The model references above are the equipment applications identified for SKU 8E4589. No additional Caterpillar machine models are specified in the available product data.

Cross-reference numbers

The following numbers are associated with the 8E4589 carrier assembly and are listed as interchangeable part references:

• 8E4589
• 6P3169
• 6P1004

SKU 8E4589 is the primary identification number for this part. Numbers 6P3169 and 6P1004 are included as cross-reference numbers for identifying the corresponding carrier assembly in parts documentation and equipment maintenance records.

Cross-reference numbers should be compared with the number marked on the removed part and with the equipment parts information for the specific Caterpillar model. The available data does not assign a separate supplier or equipment-manufacturer designation to each individual cross-reference number.

Specifications

The dimensions provided for the 8E4589 carrier assembly are 21 cm in length, 18.4 cm in width, and 12.1 cm in depth. The listed weight is 6 lb. No material grade, thread specification, mounting position, bearing details, or additional kit contents are specified in the available product information.

The part description identifies the component as a carrier assembly. It does not provide separate information about inner or outer race dimensions, included fasteners, seals, bearings, or other components supplied with the assembly.