The WorkMate three-compartment slide-in unit from FMI Truck Sales & Service is designed for convenient use and fits on a 1-ton pickup or a flatbed truck for special-event service. It has a 325-gallon waste tank and twin 75-gallon poly water tanks that can be isolated for a three-compartment system or flow together for a two-compartment system. Options include a primary and secondary shut-off, 12-volt freshwater delivery, an oil catch muffler and an easy-drain manifold system. It comes with hoses, wand, bucket and straps, and an ergonomic workstation. Options include a supply storage box on the passenger side and tool storage on the driver’s side. 800/927-8750; www.fmitrucks.com.