Diagnoses, repairs, services, and maintains heavy and light duty vehicles and equipment; determines need for repair or replacement of components; determines in-house serviceability or need for external vendor repair; replace tires; repairs or rebuilds hydraulic valves, wiring systems, brakes, suspension, electrical systems, and/or performs specialty equipment repair work; performs road calls for field equipment repairs. Employees may occasionally be exposed to extreme cold (below 32 degrees), extreme heat (above 100 degrees), fumes or airborne particles, toxic or caustic chemicals or substances, and loud noises (85+ decibels average over 8-hour working day such as heavy trucks, jack hammers, leaf blowers, lawn mowers, construction).