Fits travel trailers up to 118" high measured from ground to roof, excluding
  AC units. Overall length includes bumper and ladder but not hitch.



  Will not fit diesel bus class A RV's. Maximum height 122" measured from ground to
  roof, excluding AC units. Overall length includes bumper and ladder but not hitch.



  Fits extra tall class A RV's up to 140" high measured from ground to roof, excluding AC units.
  Overall length includes bumper and ladder but not hitch.




  Fits class C RV's up to 122" high, measured from ground to roof, excluding AC units.
  Overall length includes bumper and ladder but not hitch.



  Fits 5th wheels up to 122" high, measured from ground to roof, excluding AC units.
  Overall length includes bumper and ladder but not hitch.



   Fits extra tall 5th wheels up to 140" high measured from ground to roof, excluding
   AC units. Overall length includes bumper and ladder but not hitch.