1737129 Muffler for Caterpillar Equipment

The 1737129 muffler is an exhaust-system component that reduces the noise produced by exhaust gases from an internal combustion engine. It is used on Caterpillar equipment, including D5M track-type tractors and 561M pipelayers.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The part is identified by SKU 1737129 and the formatted part number 173-7129.

Fitment

The muffler is listed for the following Caterpillar equipment:

• Track-type tractors
• Caterpillar D5M track-type tractor
• Pipelayers
• Caterpillar 561M pipelayer

The available fitment information identifies the D5M model within the track-type tractor category and the 561M model within the pipelayer category. The supplied data does not specify production years, serial-number ranges, engine configuration, or installation position beyond the muffler's function in the exhaust system.

Cross-reference numbers

• 173-7129
• 1737129

The number 173-7129 is the hyphenated form of the product number shown in the source data. The number 1737129 is the SKU and unhyphenated identification used for this product.

Specifications

The listed dimensions are length, width, and depth measurements for the muffler assembly. The available product information does not provide the inlet or outlet diameter, connection type, mounting-hole pattern, material, internal construction, gasket details, clamps, or other installation hardware.