Bobcat 6691497 Final Drive Travel Motor Assembly

The 6691497 final drive travel motor is a two-speed 12-bolt radial piston hydrostatic drive unit designed for Bobcat 335, 430, and E42 compact excavators. It powers the track sprocket delivering torque required for forward and reverse travel, steering, and machine maneuvering. The assembly integrates a hydraulic motor with a planetary reduction gearbox in a single housing. Technical specifications include a 12-bolt mounting pattern on both the machine frame side (165 mm inner diameter, 9 or 12 bolt holes) and sprocket side (204 mm inner diameter, 9 or 12 bolt holes). Hydraulic interface features 3 or 4 hose/pipe connections. The unit is engineered as a direct bolt-on replacement meeting OEM specifications for 3.5 to 4-ton class mini excavators.