The MV800 mud vacuum excavator from Ditch Witch is designed for cleanup on horizontal directional drilling job sites. Its commercial-grade, 31 hp Briggs & Stratton Vanguard gas engine has electric start and a high-capacity remote air-intake filter. Its filtration system includes an integrated carryover chamber that eliminates contaminants before they reach the blower. It has an 800-gallon spoils tank with optional reverse flow and hydraulic-opening door to easily remove spoils. It is available with an optional water system with a 100-gallon water tank and adjustable pressure up to 3,000 psi for soft excavation tasks such as potholing utilities. 800/654-6481; www.ditchwitch.com