... engine, power strong, cost-effective Specification 1, high and low-speed hydraulic walking device, driving, high efficiency, climbing ability, hydraulic ... 31.5Mpa Bucket Capacity (Bucket capacity): …………………………………………………………………………0.7m 3 Rotary Speed (Reverse speed): ………………………………………………………………………………11r/minClimbing capability (Grade ability): …………………………………………………………………………≥ 40%Maximum digging force ...