The 55REOZT4 diesel-powered mobile generator from KOHLER Power Systems is EPA emission-certified for non-road use. Mounted on a DOT-certified trailer, it is compatible with KOHLER’s Mobile Paralleling Box. Features include a KDI 3404 Tier 4 Final engine that does not require a diesel particulate filter, fuel tanks sized for 24-hour runtime, external emergency stop, stainless steel door latches and hinges, cold-weather package that includes block and battery heater, single-point lifting eye, sound-attenuating housing (69 dBA at 23 feet), voltage, current, frequency and power monitoring, analog inputs, and warning and fault monitoring. 800/544-2444; www.kohlerpower.com.