SPECIALIZED EXPERIENCE: Must have experience or training leading to a thorough knowledge of the mechanical makeup, operation, and working relationships of complex systems, assemblies, and parts for a variety of combat, tactical, commercial, special purpose vehicles, and equipment; ability to diagnose, repair, overhaul, and modify a variety of combat, tactical, commercial, special purpose vehicles, and equipment; knowledge of electrical, electronic, hydraulic, pneumatic, and other non-mechanical systems that have a functional relationship and effect on the operation of mechanical systems; knowledge of hydraulic lifting, loading, turning, and positioning systems and their mechanical, hydraulic, pneumatic, electrical, and electronic controls; basic knowledge of electronics, sufficient to identify and replace defective components, such as sensors, diodes, and circuit boards; ability to repair or overhaul major components such as diesel, multi-fuel or gasoline engines, turbine engines, automatic and manual transmissions, drive line assemblies, electrical and electronic systems and accessories, fuel injection systems,and emission control systems. Skill to use a wide variety of test and diagnostics equipment to perform fault isolation and conduct repair of combat, tactical, commercial, special purpose vehicles and equipment; ability to operate and understand original equipment manufacturer state of the art computerized diagnostic equipment and embedded diagnostics; knowledge and understanding of how measurements and tolerances impact on the mechanical, hydraulic, pneumatic, electronic, and electrical systems and components of each system.