HME Pumper, Danbury Volunteer Fire Department, Danbury, New Hampshire. Built on a custom HME Ahrens-Fox 1871 SFO® Chassis, this corrosion-resistant, stainless steel pumper features a 96-inch wide cab, with flat roof, ISL9 370-hp engine, HME Hydra Technology™ with 1500-gpm rating, 1370-gallon water tank, Class A Foam System, and more.