Water tank truck with 4,200 gallon Jasper steel tank, truck with spray system, 16K front axle, 46K full locking rears on AirLiner suspension, 385/65R22.5 front tires and 11R24.5 rear tires, 236" wheelbase, 164" C-T, 20'3" of frame behind the cab, and 4.10 ratio.