Performs maintenance and repair of internal combustion engines, and the following equipment and components: Derricks, Transmissions, Brake Systems, Electrical Systems, Ignition and fuel systems, Hydraulic systems, Steering and running gear, Tires , Batteries , Starters, generators, and alternators, Carburetors, Chassis- both lubrication and repair, Electronic engine emission controls, Repairs and maintains other related components as required. Performs repair and preventative maintenance of diesel and gasoline engines, brake systems, fuel systems, ignition and electrical systems, exhaust systems, suspension systems, hydraulic systems and vehicle and body computers.