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Mack

Crankshaft for Mack E7

P/N 57GC2145

This crankshaft is designed for use in the Mack E7 diesel engine. It serves as the primary component for converting the linear motion of the pistons into the rotational energy required to drive the machine systems.

Compatible models

Specifications

Part number
57GC2145
Brand
Mack

The crankshaft 57GC2145 is a central component for the Mack E7 diesel engine. It functions by converting the linear, reciprocating motion of the engine pistons into rotational movement, which subsequently powers the transmission and auxiliary systems. This component is engineered to handle the specific torque and rotational forces generated during engine operation.

This part is compatible with the Mack E7 engine series. The design incorporates specific counterweights to maintain dynamic balance during operation and features precision-ground connecting rod and main bearing journals to ensure proper interface with the engine bearings and oil film clearance.

In internal combustion engines, the crankshaft acts as the backbone of the rotating assembly. It must maintain structural integrity while managing the mechanical loads transferred from the connecting rods. Proper alignment and surface finish on the journals are necessary to facilitate effective lubrication and to maintain the mechanical output of the engine throughout its duty cycle.