Overview
The Komatsu PC20MR-3 is a mini excavator listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include operating weight of 4,762 lb and fuel capacity of 7.4 gal. This model can be reviewed for excavation, trenching, loading, site preparation, and fleet comparison workflows. Use the full specifications table to compare the Komatsu PC20MR-3 against similar mini excavator models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Operating Weight
4,762
lb
Overall Length
12.31
ft
Overall Width
4.76
ft
Full Specifications
40 specs
Dimensions
Blade Width
4.80 ft / 1.46 m
Boom Swing Angle Lh
75 deg
Boom Swing Angle Rh
50 deg
Bucket Offset Lh
1.68
Bucket Offset Rh
2.50
Crawler Length
6.17 ft / 1.88 m
Gradeability
30 %
Overall Height
8.27 ft / 2.52 m
Overall Length
12.31 ft / 3.75 m
Overall Width
4.76 ft / 1.45 m
Tail Swing Radius
2.65 ft / 0.81 m
Engine
Alternator
40 A
Arm Crowd Force (Iso)
3,065 lb / 1,390 kg
Blade Height
11.90 ft / 3.63 m
Bucket Digging Force (Iso)
4,233 lb / 1,920 kg
Coolant
0.80
Engine Model
Komatsu 3D76E-6
Flywheel Horsepower
21 hp / 15.5 kW
Fuel Tank
7.40 gal / 28.0 L
Hydraulic Tank
5.10 gal / 19.3 L
Max. Traction Force
4,542 lb / 2,060 kg
Operating Weight
4,762 lb / 2,160 kg
Piston Displacement
68 cu in / 1.1 L
Power Measured @
2,500 rpm
Starter
1.4 kW / 2 hp
Swing Speed
8.90 deg
Travel Speed (Maximum)
2.90 mph / 4.7 km/h
Travel Speed (Minimum)
1.80 mph / 2.9 km/h
Hydraulics
Auxiliary Hydraulic Flow
9.30 gal/min / 35.2 L/min
Engine Oil
0.90 gal / 3.4 L
Hydraulic Motor (Travel)
2
Max. Pressure Setting
3,560 psi / 245.5 bar
Type Of Hydraulic Pump
1
Undercarriage
Ground Pressure
4 psi / 0.3 bar
Number Of Carrier Rollers Per Side
—
Number Of Shoes Per Side
39
Number of Track Rollers per Side
3
Operation Voltage
12 V
Track Gauge
3.94 ft / 1.20 m
Track Shoe Width
15,255.94 in / 387,501 mm
Related Machines
Frequently Asked Questions
What is the operating weight of the Komatsu PC20MR-3? +
The Komatsu PC20MR-3 has an operating weight of 4,762 lb (2,160 kg). This places it in a class suited for mini excavator applications where ground pressure and transport weight are key considerations.
How does the Komatsu PC20MR-3 compare to similar Mini Excavator models? +
You can compare the Komatsu PC20MR-3 side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.