When it comes to the engineer machinery such as: bull dozers, elevators, tractors, the transmission oil pumps will be very important for these machines. Without these transmission oil pumps, these machines can not work properly.

So what is transmission oil pump? And how does transmission oil pump work? A kind of transmission oil pump is used to help the oil transmission from the main gearbox to the hydraulic pressure which help the machine to work properly. So this part is vital important and if any of the pump part broken or have any false problem, the whole machine can not work at all.

Then which spare parts are consisted of a transmission oil pump assembly? The transmission oil pumps mainly consist of: passive and positive gears, guide wheel seat, pump case, oil seal, bush.