... bidirectional hydraulic lock, Rear axle steering lock and rear wheel return detector, emergency steering power device, gradienter, hydraulic system ... 40 km/hMax.gradeability (tanQ): 55%Min.turning radius: Four wheel steering 5.1m, Minimum turning radius of jib nose 9 ... first gear backward5 Axle type: Front axle Steering drive axle Rear axle Steering drive axle6 Suspension: Front and rear axle, rigid ...