76 cm, 79 cm or 84 cm usable ramp width models available available w/ 12 volt or 24 volt motor assembly ramp stores flat on vehicle floor when not needed with no exit or entrance interference has patented freewheeling drive gear box and electric motor light weight, weighs only 34 kg pounds including motor/gear box and hardware option for front or rear mount of motor gear box .64 cm aluminum ramp with smooth powder coat finish includes hand held control box for convenience of operator, or switches may be mounted in dash 97 cm of usable ramp length interlock circuit included in internal wiring simple “lift and go” manual operation in event of electrical failure rapid cycle time and simple maintenance