Wheel lift

An auxiliary wheel lift for use on a vehicle to provide adjustable additional load capacity comprising a housing secured to said vehicle, a vertically movable head plate within said housing and a attached lift rod extending therefrom, a partition movably positioned within said housing, an air spring positioned on one side of said head plate between said head plate and said partition, means for vertically moving said partition within said housing limiting the travel of the attached lift rod, an adjustable housing insert having a guide bore centrally located on its vertical axis registerably receiving said lift rod, a coil spring positioned on the opposite side of said head plate between said head plate and said housing insert, a wheel lift and axle assembly secured to the free end of said lift rod, means for adjustably positioning said housing insert axially in said housing, and means to activate said air spring comprising a compressed air source, supply lines and a valve in said supply lines.