Pierce Pumper. Chassis choices: available on all Pierce custom chassis (Velocity™, Impel™, Quantum®, Arrow XT™ and Saber®) and on most commercial chassis (Kenworth, Freightliner, Navistar, Sterling). Pump range: Waterous, Hale or Darley Midship (500~2000 GPM) and PTO (250~1000 GPM) pumps available. Tank: 500~1500 gallons; polypropylene tank with lifetime warranty. Storage and compartments: up to 192 cubic ft. Compartment weight ratings: 500 lb. Aluminum standard construction (stainless steel, Galvanneal steel optional).