The gearboxes series are used mainly for connecting hydraulic pumps to the power take-offs of agricultural tractors. PTO result, standardized at either 540 or 1,000 rpm, is, in this manner, increased to optimum operating speeds for the hydraulic pumps. RD group of gearboxes are accustomed to reduce hydraulic motor speed.
ML and B series gearboxes provide the connection for hydraulic pumps to low speed tractor power remove. The standard power take off quickness of 540 rpm, is definitely improved by the gearbox ratio to optimal speed Hydraulic PTO Drive Gearbox Spped Increaser conditions necessary for the pump. Different 
inputs are approved under condition that the output speeds don’t review 3000 rpm.