Skid-mounted or permanent truck or trailer installation
Water tank: typically 300–750 gal; 1,000-gal requires CDL
Chemical mixing systems: tank-mix system with mechanical agitation (chemicals added manually to the large water tank) or chemical injection system with 2 to 3 separate chemical tanks (chemicals mixed with water after passing from tank)
Water pump: roller, piston, centrifugal and diaphragm pumps are used
Water pump motor: 5.5–11 HP; Honda is popular
Injection pumps: at least 20 to 40 GPM; elect
Hose reel: 200 to 300 ft.; ½ in. to ¾ in.; electric rewind recommended
Spray gun or spray wand attached to hose
Truck-mounted spray heads; one side; generally either 2 to 4 bumper-mounted nozzles or a raised, nutating head with multi-direction spray sections