9T5809 Piston fit Caterpillar — SKU 9T5809

9T5809 is a piston for Caterpillar equipment. The part is listed for use in Caterpillar track-type tractors and a Caterpillar wheeled bulldozer, including the equipment models specified below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The available application data identifies this part by the Caterpillar catalog number 9T-5809 and associates it with the D9 and D9-series track-type tractor models, as well as the 854K wheeled bulldozer. The fitment information below is limited to the models identified for catalog number 9T-5809.

Fitment

• Caterpillar D9 track-type tractor.
• Caterpillar D9R track-type tractor.
• Caterpillar D9T track-type tractor.
• Caterpillar D9 GC track-type tractor.
• Caterpillar 854K wheeled bulldozer.

The D9, D9R, D9T and D9 GC entries refer to Caterpillar track-type tractor models listed for the 9T5809 piston. The 854K entry refers to the Caterpillar wheeled bulldozer model listed for the same catalog number. Confirm the machine model and the part number against the equipment parts documentation before installation, particularly where several configurations or production versions exist.

Cross-reference numbers

• 9T5809 — product SKU and piston part number.
• 9T-5809 — Caterpillar catalog number format shown for this part.

The numbers 9T5809 and 9T-5809 identify the same catalog reference in different written formats. No additional supplier or equipment-manufacturer cross-reference numbers are provided in the available product data.

Specifications

The available data does not specify piston diameter, overall height, compression height, pin dimensions, ring-groove dimensions, material, weight, engine application, cylinder position, or included components. These parameters are therefore not stated here. Compatibility should be checked using the machine model and the 9T5809 or 9T-5809 catalog reference.