CAT STEP, DECK (CATWALK)  CHEVROLET STEP, DECK (CATWALK)
   FREIGHTLINER STEP, DECK (CATWALK)  GMC STEP, DECK (CATWALK)
   INTERNATIONAL STEP, DECK (CATWALK)  KENWORTH STEP, DECK (CATWALK)
   MACK STEP, DECK (CATWALK)  PETERBILT STEP, DECK (CATWALK)
   STERLING STEP, DECK (CATWALK)  UNIVERSAL STEP, DECK (CATWALK)
   VOLVO STEP, DECK (CATWALK)  WESTERN STAR STEP, DECK (CATWALK)