Doosan K1000101 Swing Motor Assembly

The Doosan K1000101 swing motor is a complete hydraulic swing drive assembly designed for Doosan and Daewoo 14-16 metric ton class excavators. It integrates a fixed-displacement axial piston motor with a multi-disc parking brake and two-stage planetary reduction gearbox. The unit delivers high output torque for stable slewing performance under continuous duty cycles. Precision-machined valve plate and cylinder block ensure volumetric efficiency above 95% at rated pressure. The motor housing is ductile iron casting for structural rigidity. Internal spline connections conform to OEM spline geometry for direct bolt-on installation. Cross-references include Doosan OEM numbers 170303-00001, 401-00003, K1007357B, and K9001294. Compatible with Kawasaki M2X63CHB motor core. Seal kit K1000101KT (M2X63CHB) available for overhaul.