C6.4 Forged Steel Crankshaft 294-1749 Engine Crankshaft for CAT307E / CAT320D

Engineered for heavy-duty CAT machinery operation, this premium C6.4 forged steel crankshaft (OEM Part No. 294-1749) serves as a high-reliability engine crankshaft and essential CAT engine spare part. Tailored for CAT307E and CAT320D excavator engines, it features integral forged steel forming and professional heat treatment craftsmanship.

Boasting solid structural strength, outstanding anti-fatigue performance and steady power delivery, this durable crankshaft resolves common engine faults including jitter, power loss and component abrasion from worn or faulty original parts, sustaining reliable long-term operation of CAT construction engines under harsh heavy-load conditions.

Superior to ordinary cast steel accessories, this C6.4 forged steel crankshaft features compact internal structure, excellent toughness and strong pressure resistance. The standard 294-1749 engine crankshaft undergoes precise high-temperature quenching and tempering processing, effectively resisting fatigue damage from long-term high-speed operation and heavy impact loads.

As a trustworthy CAT engine spare part, it operates smoothly with minimal vibration, lowers oil consumption and mechanical faults, and maintains stable power performance for CAT307E and CAT320D excavators during continuous engineering work.

This heavy-duty engine crankshaft is professionally developed for routine maintenance, part replacement and engine overhaul of CAT307E and CAT320D excavators. It adapts to diverse harsh working environments, including mine excavation, urban infrastructure, road reconstruction and foundation projects.

As a high-quality CAT engine spare part, it efficiently fixes common crankshaft issues such as wear, bending and fracture, supporting long-term high-efficiency operation of construction machinery.