Overview
The Komatsu PC55MR-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 11,376 lb and fuel capacity of 17.2 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 PC55MR-3 against similar mini excavator models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Operating Weight
11,375.90
lb
Overall Length
18.21
ft
Overall Width
6.44
ft
Full Specifications
48 specs
Dimensions
Blade Width
6.50 ft / 1.98 m
Boom Swing Angle Lh
85 deg
Boom Swing Angle Rh
50 deg
Bucket Offset Lh
2.07
Bucket Offset Rh
2.89
Crawler Length
8.27 ft / 2.52 m
Gradeability
30 %
Overall Height
8.37 ft / 2.55 m
Overall Length
18.21 ft / 5.55 m
Overall Width
6.44 ft / 1.96 m
Tail Swing Radius
3.48 ft / 1.06 m
Engine
Alternator
40 A
Arm Crowd Force (Iso)
5,379 lb / 2,440 kg
Arm Size
5.40 in / 137 mm
Blade Height
14 ft / 4.27 m
Boom Size
9.60
Bucket Digging Force (Iso)
8,774 lb / 3,980 kg
Bucket Size – Kga Standard Gp
0.20
Coolant
2.30
Digging Depth – Maximum
12.50 ft / 3.81 m
Digging Reach – Maximum
20.50 ft / 6.25 m
Engine Model
Komatsu 4D88E–6
Flywheel Horsepower
38 hp / 28.6 kW
Fuel Tank
17.20 gal / 65.1 L
Hydraulic Tank
5.30 gal / 20.1 L
Max. Traction Force
9,436 lb / 4,280 kg
Maximum Reach @ Ground Level
20 ft / 6.10 m
Number of Cylinders
4
Operating Weight
11,376 lb / 5,160 kg
Piston Displacement
134 cu in / 2.2 L
Power Measured @
2,400 rpm
Starter
2.3 kW / 3 hp
Swing Radius
3.50 ft / 1.07 m
Swing Speed
9 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
18.50 gal/min / 70.0 L/min
Engine Oil
2 gal / 7.6 L
Hydraulic Motor (Travel)
2
Max. Pressure Setting
3,840 psi / 264.8 bar
Type Of Hydraulic Pump
2
Undercarriage
Ground Pressure
4 psi / 0.3 bar
Number Of Carrier Rollers Per Side
1
Number Of Shoes Per Side
39
Number of Track Rollers per Side
4
Operation Voltage
12 V
Track Gauge
5.12 ft / 1.56 m
Track Shoe Width
1.32 ft / 0.40 m
Related Machines
Frequently Asked Questions
What is the operating weight of the Komatsu PC55MR-3? +
The Komatsu PC55MR-3 has an operating weight of 11,376 lb (5,160 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 PC55MR-3 compare to similar Mini Excavator models? +
You can compare the Komatsu PC55MR-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.