dock leveler ( yard ramp)/movable dock ramp: capacity:8T table size:2.0x2.0m Stationary hydraulic yard ramp is also called stationary dock leveler, which is variously ... .Key words: stationary hydraulic yard ramp, stationary yard ramp, hydraulic yard ramp, stationary dock leveler, hydraulic dock leveler, stationary hydraulic yard ramp. hydraulic dock leveler/ yard ramp /movable dock ramp