LT7501, Heavy Duty Trucks - Tank Trucks - Water, Caterpillar C-12, Automatic, 2003 Sterling Stainless Steel 4000gal Water Truck for sale HARD TO FIND 4000gal Stainless steel water tank with a hydraulic drive water pump front, side and rear sprays. Gravity bar spray and hoes reel. County owned very well maintained ready for work., 355 Horse Power, TufTrac Suspension, All Steel Wheels, Wheel Base, , Tandem Axle, Ratio,