Side shift: Manual standard; Hydraulic optional 2″ pitch, 50,000 lb, anti-back flex chain for maximum performance and life High torque hydraulic motor for maximum digging power Sealed idler bearing is maintenance free Low profile dirt shield for improved operator visibility. Basic trencher includes: Trencher Head Mounting Brackets Hoses and Quick Couplers Boom and Chain options Manual Side Shift; optional hydraulic side shift also available