Two Stage Gear Box is designed for cooling tower drives with heavy duty bearings on output shaft to take care external load. The Gear Box is provided with bevel helical with horizontal input and vertically upward output shaft. The Gear Box is available in a power range of 13 kw to 500 kw. The Gear Box has 1st stage out of spiral bevel pair duly case hardened and lapped with another helical pair with case hardened and ground. Two Stage Gear Box can be availed in ratios from 6.3 to 18.