Hydraulic Drive Circuit
Figure 3-3 PT-70/80 Hydraulic Drive Circuit
3-3
Rubber Track Loader
3. Circuit Diagrams
DRIVE MOTOR
DRIVE MOTOR
DRIVE PUMP
DRIVE CONTROL
TO COOLER
TANK
CASE DRAIN
BRAKE
(PT-80 2-SPEED SHIFT)
DRIVE PRESSURE
RELIEF VALVES (4)
(5500 PSI / 37920 kPa)
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