Perform minor adjustment and repairs on various types of truck equipment including, but not limited to the following: Electrical/Brake/Cooling Systems, Starters/Alternators, Fan clutches, Engine electronics, Diesel steering systems, Engines (gas and diesel), Transmissions (manual and automatic), Clutches, Differentials, etc. Cox Fleet is the leading provider of on-site mobile maintenance and repair services nationwide, offering mobile on-site fleet service for light medium, and heavy-duty trucks and trailers.