... drilling rig and workover rig, outstanding technical functions. WS5650 Desert off-road vehicle chassislApplied to oil-field drilling rig and workover rig ... design, realized the transfer between chassis and operation equipment.lOutstanding off-road ability in desert, freedom of movement in deep desert, first ... velocity)(m)≤12Max. standing grade ability(%)20 WS5650 Desert off-road vehicle chassis