Chian Cummins K38 Diesel Engine Crankshaft 3630072 | Tonkee®

The Cummins K38 crankshaft is precision-engineered and crafted from high-quality materials to ensure durability, reliability, and longevity.

Typically, it is made from high-strength forged steel or alloy steel, which imparts excellent mechanical properties such as tensile strength, hardness, and resistance to wear and tear. This robust construction is vital to withstand the tremendous forces and stresses encountered within the engine during operation.

The K38 crankshaft features a complex and carefully designed structure. It is a multi-journal, counterweighted crankshaft with a specific configuration that is optimized for the K38 engine's performance characteristics. The counterweights are strategically placed to balance the reciprocating masses of the engine's pistons and rods, reducing vibration and ensuring smooth operation.

The crankshaft has a series of journal surfaces where the connecting rods are attached. These journal surfaces are precision-machined to exacting tolerances to ensure a proper fit with the engine's bearings. This tight fit minimizes friction and allows for efficient energy transfer from the pistons to the crankshaft.

The Cummins K38 crankshaft uses a set of main bearings that support the crankshaft within the engine block. These bearings are typically made from a high-strength material like steel or babbitt, and they are designed to provide low-friction support for the crankshaft's rotational motion. Proper lubrication is essential to maintain the integrity of these bearings and prevent excessive wear.

The rear flange of the crankshaft is an important feature for connecting the crankshaft to other engine components, such as the flywheel and the transmission.

It is precisely machined to accommodate the necessary mounting hardware and ensure a secure connection.

Balancing is a critical aspect of crankshaft design. The K38 crankshaft is meticulously balanced during manufacturing to reduce vibrations and harmonics that can affect engine performance and longevity. Proper balancing also contributes to the smooth and efficient operation of the engine.

The Cummins K38 diesel engine crankshaft with part number 3630072 is designed specifically for use with K38 series diesel engines. It is essential to ensure compatibility with the engine model and application to guarantee optimal performance and reliability.

To ensure the longevity of the Cummins K38 crankshaft, regular maintenance is crucial. This includes routine inspections, lubrication, and addressing any signs of wear or damage. Proper maintenance practices can extend the lifespan of the crankshaft and reduce the risk of unexpected failures.

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