Alaskan Hauler Kenworth Tractor (1/25 Scale) Plastic Vehicle Model KitDetails: Alaskan Hauler Kenworth Conventional model kit is a great project for any experienced big rig builder. Add it to your collection today! At 12. 25 inches long, the Alaskan Hauler emphasizes size with authentic features, including a 6 cylinder Cummins turbo charged diesel engine, sleeper cab, moose catcher front end, cab guard with cargo lights, real metal chain, sliding fifth wheel, air horn, rear fenders, Spicer main and auxiliary