SIZE                                   TRUCKS
  T-2     Mini pickup Standard cab
  T-2X   Mini pickup extended cab & crew cabs
  T-3     Full size pickup Standard cab short bed

  T-3X   Full size pickup short bed extended cab & crew cabs
  T-4     Full size pickup Standard cab long bed
  T-4X   Full size pickup long bed extended cab & crew cabs
  T-9     Full size pickup Dually long bed extended & crew cabs

SIZE                                   SUV's
  U-0   Mini size SUV Jeep Wrangler ( 13 1/2' L x 60" W x 60" H )
  U-1   Mid size SUV Explorer/S-10 Blazer ( 15 1/2' L x 72" W x 72" H )
  U-2   Full size SUV Full Size Bronco/K-5 Blazer ( 17' L x 72" W x 64" H )
  U-3   Max size SUV Suburban / Full size pickup with cap or shell ( 20' L x 72" W x 72" H )

 

SIZE                         Vans
  V-1   Mini Vans  ( 18' L x 60" W x 60" H )
  V-2   Full size Vans  ( 18' L x 72" W x 72" H )
  V-3   Full size Extended Vans ( 19' 6" L x 72" W x 72" H )

SIZE                       Station Wagons
  S-1   Station wagon up to 184" (15' 4")
  S-2   Station wagon up to 200" (16' 8")
  S-3   Station wagon up to 216" (18')