·Powerful commercial level WD+ 4-stroke gasoline engine with low vibration, low CO & NO emission ·Continuously supplying Clean & Pure Current ·Automatic low oil shutdown system to protect engine ·Wheel kit available for easy transportation ·All models equipped with AVR (Automatic Voltage regulator) ·Overload circuit breaker to protect generator and appliances NWD+ Energy (https://www.hiwedoplus.com) has dedicated numerous years to the mobile diesel generator sets and mobile energy industry, striving relentlessly to establish itself as a reputable enterprise known for stability, superior product quality, and financial robustness.