The RCV ultra vac is our standard vacuum tanker which is designed for maximum payload and performance for suction loading and pressure discharging. The Ultra vac is available with many pump sizes and types, standard equipment includes top man lid and ladder walkway, full hydraulic opening rear door, stainless steel constructed tank in 304 or 316. Full stainless steel hose trays and lockers. Capacities available from 800 gallon to 4200 gallon.