Undercarriage Cleanersmmakes cleaning under Trucks, Big Rigs, RVs, & Equipment a breeze. It has a clearance of 7″ and can be used with trucks, cars, agricultural machinery, and at construction and shipping companies without using a lift. Zero degree nozzles (that can cut through plywood ) and adds volume and greater distance for more cleaning power without causing damage. Undercarriage cleaners are great for fleet and truck wash, cleaning away dirt, oils, and debris to help find leaks or other issues on chassis. Its also wonderful in the winter to wash away salts and other products used on the roads in the winter months. A high-pressure wash of a car’s undercarriage sprays off those attackers and prevents rust.