We SGCT manufacturing the gearbox single & double reduction which depend upon the motor capacity in kW(hp)
Single reduction : One reduction ranges from ratios of 2:1 to 5.5:1. Power ranges from 7 hp (5.2 kW) up to 60 hp
Double reduction : Double reduction gearbox is the perfect choice. Reduction ratios range from 7.5:1 to over 20:1. Power ratings start at 60 hp (45 kW) and exceed 500 hp (375 kW).