6N0731 Muffler for Caterpillar Equipment

The 6N0731 muffler is an exhaust-system component used to reduce the noise produced by exhaust gases from an internal combustion engine. It fits Caterpillar equipment, including tracked bulldozers, pipe layers, and track loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by the SKU 6N0731 and is also written with a hyphen as 6N-0731. The Caterpillar reference identifies the equipment application for the muffler; the part described here is manufactured by CTP. The component is intended for installation in the engine exhaust system of the listed Caterpillar machine models.

Fitment

• Caterpillar D7G tracked bulldozer
• Caterpillar 571G pipe layer
• Caterpillar 572G pipe layer
• Caterpillar 977L track loader

The fitment information above is based on the model applications specified for part number 6N-0731. The machine type is included to distinguish the tracked bulldozer, pipe-layer, and track-loader applications associated with this muffler.

Cross-reference numbers

• 6N0731
• 6N-0731

6N0731 and 6N-0731 are the same reference number presented in different formats, with and without a hyphen. The number may be used for catalog identification, parts lookup, and comparison with the number marked in equipment documentation.

Specifications

The primary dimensional data listed for the part are 495.3 mm in width, 622.3 mm in length, and 317.5 mm in height. The catalog data also state dimensions of 61 cm in length, 62 cm in width, and 26 cm in depth; these values are retained as separately listed measurements. Before installation, the dimensions and reference number should be checked against the existing muffler and the service documentation for the specific Caterpillar machine.