 These have been consolidated to a custom pumper built on a Monarch Chassis and proprietary Monarch cab.A 6 to 10 man truck capable of carrying generators, air tanks, lighting, ladders, pike poles, crowbars, dive equipment, and other specialized firefighting tools for use as heavy rescue apparatus, a HazMat vehicle, an Urban Search and Rescue, or Mobile Command Center.Sutphen's heavy duty chassis series included the Ambassador, Imperial, Monarch, and "S" Series.