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Cummins

Connecting rod for Cummins 6BTAA5.9-C178

P/N 4943979

This connecting rod is designed for use in Cummins engine models including the 6BTAA5.9-C178, KTA38C-1050, QSM11-C335, and QSM19-C700. It serves as the mechanical link between the piston and the crankshaft to facilitate power transmission.

Specifications

Part number
4943979
Brand
Cummins

The connecting rod 4943979 functions as a critical mechanical link within the internal combustion engine. Its primary role is to connect the piston to the crankshaft, effectively transforming the linear reciprocating motion generated by the combustion process into the rotational motion required for engine output. This component is an integral part of the engine kinematic chain, operating under significant compression and tension forces during every cycle.

This component is compatible with several Cummins engine models, specifically the 6BTAA5.9-C178, KTA38C-1050, QSM11-C335, and QSM19-C700. These engines are frequently utilized in heavy machinery such as cranes, excavators, and power generation equipment. The design features a small end for the piston pin and a large end for the crankshaft journal, incorporating friction bearings to manage movement between these assemblies.

In any internal combustion engine, the connecting rod facilitates the transfer of force from the piston to the crankshaft. Proper alignment and balance of this component are necessary for smooth engine operation. Maintenance of this assembly is required to ensure the integrity of the rotating group and to prevent potential damage to the engine block or crankshaft.