... the water pipe/cable in The Specification of ditcher:The trencher is mainly applied to put ... grape.2.Operation ParametersHorsepower of auxiliary tractors30-80hpOperation speed50-500m/hPressure of oil tank16MpaTrenching depth0- ... 200cmTrenching width10,16,18,20,22,26,30,32,36,40,42,46,50,52,56,60cm PTO driven ... 1KHL series rotary ditcher