Typically, an example would be a heavy duty pickup truck outfitted with a 200+ gallon tank, Indian tanks, chainsaws, picks, fire rakes, and stretchers for rescue operations. Most trucks would have a front mounted secondary pump that can feed its primary outlets, or can provide boost power to supplement a high drawing engine. The role of a Brush truck is simply, get in where the main apparatus(es) cannot go, such as narrow roads, fields, or in very swampy areas. Newer brush trucks would have a diesel engine set on a 1-ton pickup chassis. Older versions would be a large displacement gas engine, like a 351W, a 390W, or 460W. Some older trucks can be a regular pickup with fire department markings, lights and Fire radio, with a portable pump and hose lines with a large water tank. Some Brush tr