Duties include fueling and washing tractors and trailers, checking all fluid levels, checking all lights and tires, changing oil, filters, and tires, lubing equipment, and any other minor repairs which do not require a certified mechanic's knowledge. Ability to stand, walk, and work in close quarters, prone and awkward positions, or lengthy periods occasionally; drive truck tractor and 53-foot or doubles combination semi-trailer; operate heavy garage repair equipment and work on ladders.