9H8489 Idler Shell for Caterpillar Equipment

The 9H8489 is an idler shell used in the undercarriage idler assembly of Caterpillar track-type tractors, pipe-layers, and track loaders. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified for Caterpillar equipment by the 9H8489 part number and is listed for several machine models from the D7, 571–572, and 977 series. The listed applications cover machines using the corresponding idler configuration.

Fitment

• Track-type tractors: Caterpillar D7F, D7G
• Pipe-layers: Caterpillar 571G, 572G
• Track loaders: Caterpillar 977D, 977H, 977K

The fitment information applies to the machine models listed above. Before installation, the part number and the idler assembly configuration should be checked against the equipment service documentation, particularly when a machine series has been produced in different configurations.

The component is listed as an idler shell rather than as a complete idler assembly. The supplied product data identifies the shell by SKU 9H8489 and associates it with the Caterpillar undercarriage applications shown in the fitment list.

Cross-reference numbers

• 9H8489
• 1S8186
• 1885268
• 2S5958

The numbers above are listed as interchangeable or associated identification numbers for this idler part. The Caterpillar equipment manufacturer part number shown in the product data is 9H8489. The remaining numbers are included for parts identification and catalog comparison.

When comparing the part with an installed component, use the complete number from the existing idler assembly together with the machine model. A matching number alone should be verified against the applicable equipment configuration before the part is fitted.

Specifications

The dimensions and weight are the values provided for the listed 9H8489 product. No additional information about material, bore dimensions, mounting hardware, seals, or included components is specified in the available product data.

The listed part applies to the Caterpillar D7F and D7G track-type tractors, 571G and 572G pipe-layers, and 977D, 977H, and 977K track loaders. Cross-reference numbers associated with the part are 9H8489, 1S8186, 1885268, and 2S5958.