Small loaders, loaders, small excavators, small loader accessories need to match with part of the power. On the one hand, the engine of the loader drives the hydraulic torque converter to provide power for the walking device, on the other hand, drives the hydraulic oil pump to provide power for the working device and power for steering and speed change operation. How to distribute hydraulic and hydraulic power is the first problem to be considered in loader design. It is generally hoped that the engine works at its rated point and the hydraulic torque converter works in the high-efficiency area, so that the loader has good power and economy.
In this way, when the accessories of the small loader are in full load digging operation, the engine works at the rated point and sends out high power, with high torque converter efficiency, good loading power and good economy.