Our farm water wagon dimensions are 165 inches x 86.5 inches x 79.5 inches with fenders and fill kit. The 800 gallon water tank trailers also feature a 2'' anti-siphon fill tube, an 18'' tank lid, a 6'' channel iron frame with rust-resistant powder coat acrylic, and 16'' tires on E-Z lube hugs (with 8 lugs).