... and light weight,high efficiency, low noise, little vibration. Parallel cylinder gear reducerTransmission: coaxial transmission, input shaft and output shaft ... by carburizing quenching, high transmission efficiency, carrying capacity, smooth operation, low noise; Shaft parts: a finely balanced cantilever shaft ... +40 °C, up to 1,000 meters above sea level. PARALLEL CYLINDER GEAR REDUCER BW33139004