Research on Transmission Characteristics of Hydromechanical Continuously Variable Transmission of Tractor

Table 2

Equation of efficiency calculation for ranges HM1 and HM3.

Elements	Torque equation considering power losses
	HM1	HM3	HM1	HM3
	Engine
Pump
Motor
PGM
PGM
Intermediate shaft
Output shaft
Torque ratio
Efficiency