2001 McDonough 42' 3 Knee Carriage 3 Sets 16' Diameter Trucks 18' 2' Long Stress Relieved Frame Cant Kickers , Precision Ways on all Knees Brownsville Turners, Schrader Bellows Air Valves (3) 3.25' x 42' Shock Absorbing Linear Positioners Complete with Temposonic LH Transducer. Soft Start Valve Panel with 10 Gallon Accumulator. 30 GPM Hydraulic Power Unit with 100 Gallon Reservoir.