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PT-100 Forestry Specifications
Engine
−
Model: Perkins 1104C-44T (Turbo)
−
Displacement: 4.4 liter
−
Gross horsepower: 99.9 hp (74.5 kW)
−
Torque: 304 lb-ft. (412 Nm)
−
Idle rpm: 1000 (low idle), 2300 (high idle)
−
Average water /thermostat temperature:
190°F, 87.8°C
Transmission
− Model: A22VG tandem (Rexroth)
Drive pumps
− Displacement: 2.745 in
− Relief pressure: 5500 psi, 380 bar
− Flow: 27.33 gpm (103.5 lpm) @ 2300 rpm
Charge pump
− Displacement: 1.587 in
− Relief pressure: 400-450 psi (2758-3102 kPa)
650 to 700 psi (4481.6-4826.3 kPa) at filter
test port
Drive Motors
− Model: Rexroth MCR 5 (2-speed)
− Displacement Low 50 in
− Displacement High 25 in
Control Handles
− Model: 4TH6 (Rexroth)
Auxiliary Pump
− Make: Rexroth
− Type: Axial Piston, Variable Load Sense
− Displacement: 3.844 in
− Max Flow: 38 gpm (143.8 lpm) @ 2300 rpm
− Relief pressure: 3300 psi (22,750 kPa)
− Marginal Pressure: 362 psi (2,495 kPa)
− Cooling/filtering: Oil is filtered and cooled at
all times. In auxiliary mode, the oil is filtered af-
ter the attachment to protect the machine if the
attachment motor fails or contaminants are in-
troduced from the quick couplers.
3
/rev (45 cc/rev)
3
/rev (26 cc/rev)
3
/rev (820 cc/rev)
3
/rev (410 cc/rev)
3
/rev (63 cc/rev)
2. Technical Specifications
Loader Valve
− Make: Husco
− Type: Load Sense
Cooler
− Operating pressure: 150 psi (1034 kPa)
− Bypass relief pressure: 80 psi (689 kPa)
− Hot oil sending unit: 225°F (107.2°C)
Critical Torque Specs
− Transmission Mounting Bolts
85 ft-lb. (230.5 Nm) w/Blue Loctite
o
− Drive Sprocket Drive Teeth Bolts
85 ft-lb. (230.5 Nm) -Dry
o
− Bogie Wheel Retaining Nuts (10'')
37 ft-lb. (100.3 Nm) -Dry
o
− Bogie Wheel Retaining Nuts (14'')
37 ft-lb. (100.3 Nm) -Dry
o
− Drive Sprocket Lug Nuts
177 ft-lb. (480 Nm) -Dry
o
− Drive Motor Mounting Bolts
177ft-lbs. (480 Nm) -Dry
o
2-1
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