YNF17867 378-9517 E320D2 Gearbox Assembly Heavy Duty Swing Gearbox Excavator Rotary Gearbox

The YNF17867 378-9517 E320D2 Gearbox Assembly is a heavy-duty swing gearbox designed for the E320D2 excavator, enabling smooth and precise rotation of the upper structure. Manufactured with high-strength, precision-machined gears and durable bearings, this assembly withstands heavy loads, vibrations, and harsh working environments typical in construction and mining operations.

The gearbox provides reliable torque transmission from the swing motor to the upper frame, ensuring efficient excavator operation and extended service life. Its robust design minimizes wear and reduces maintenance frequency, supporting continuous heavy-duty performance.

Trusted by professional repair workshops and aftermarket distributors worldwide, the YNF17867 E320D2 gearbox assembly is a reliable replacement part that enhances machine uptime, improves rotational accuracy, and supports heavy-duty operational demands.