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General
Model
Type
No. of cylinders - bore x stroke
Piston displacement
Flywheel horsepower
Maximum torque
High idling speed
Low idling speed
Min. fuel consumption ratio
Starting motor
Alternator
Battery (*1)
Radiator
• Core type
Carrier roller
Track roller
Track shoe (Rubber shoe)
Track shoe (Steel shoe)
Type x no.
Theoretical capacity
Set pressure
For travel, work equipment
For swing
For blade
Type x no.
Control method
Travel motor
Swing motor
Hydraulic tank
Hydraulic oil filter
Hydraulic oil cooler
Cylinder type
Inside diameter of cylinder
Outside diameter of piston rod
Stroke
Max. distance between pins
Min. distance between pins
*1: The battery capacity (Ah) is based on 5-hour rate.
PC20MR-2
Machine model
Serial number
Nm {kgm}/rpm
g/kWh {g/HPh}
MPa {kg/cm
MPa {kg/cm
MPa {kg/cm
Canopy specification
4-cycle, water cooled, in-line direct injection type,
mm
l {cc}
kW {HP}/rpm
rpm
rpm
Assembly-type double grouser: 44 each side
Variable displacement piston type x 1, gear type x 1
3
cm
/rev
2
}
2
}
2
}
Variable-displacement piston motor (with counterv-
Fixed-displacement piston motor (with brake valve,
mm
PC20MR-2
Cab specification
15001 and up
3D76E-5N
swirl chamber type
3 – 76 × 82
1.115 {1,115}
15.5 {20.8} / 2,500
66.7 {6.8} / 1,600
2,680
1,450
265 {198}
12V, 1.4 kW
12V, 40A
12V, 45Ah × 1 (50B24L)
AL louver type fin
2 on each side
3 on each side
Unit-type rubber crawler
22 + 6.4
24.5 {250}
16.2 {165}
21.6 {220}
8-spool type x 1
Hydraulic assist type
alance valve, parking brake) x 2
swing shaft brake) x 1
Box-shaped, open type
Tank return side
Air cooled (Drawn-CUP)
Double acting piston
ø70
ø40
454
1,187
733
Specifications
01-5
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