Komatsu PC55MR-3 Mini Excavator
Units
Dimensions
Dimensions
H
Tail Swing Radius
3.48ft in
F
Track Gauge
5.12ft in
Bucket Offset Rh
2.89ft in
Crawler Length
8.27ft in
Boom Swing Angle Lh
85degrees
Boom Swing Angle Rh
50degrees
Bucket Offset Lh
2.07ft in
Overall Height
8.37ft in
Overall Width
6.44ft in
Overall Length
18.21ft in
Track Shoe Width
1.32ft in
Undercarriage
Number Of Shoes Per Side
39 (steel)
Number Of Carrier Rollers Per Side
1
Adjustment Of The Track Tension
Grease
Number Of Track Rollers Per Side
4
Specifications
Electrical System
Starter
2.3 kW
Operation Voltage
12V
Battery
72 Ah
Alternator
40 A
Engine
Flywheel Horsepower
38.3hp
Number Of Cylinders
4
Piston Displacement
133.6cu in
Engine Model
Komatsu 4D88E–6
Engine Type
Direct injection
Power Measured @
2400rpm
Fan Drive Type
Mechanical
Capacities
Fuel Tank
17.2gal
Hydraulic Tank
5.3gal
Engine Oil
2gal
Coolant
2.3gal
Operational
Boom Size
9.6ft in
Boom Type
Standard
Arm Size
5.4ft in
Arm Crowd Force – Iso
2440 kgf
Digging Reach – Maximum
20.5ft in
Maximum Reach @ Ground Level
20ft in
Bucket Crowd Force – Iso
3980 kgf
Swing Radius
3.5ft in
Bucket Size – Kga Standard Gp
0.2yd3
Digging Depth – Maximum
12.5ft in
Arm Type
Standard
Performance
Travel Speed (Maximum)
2.9mph
Travel Speed (Minimum)
1.8mph
Swing Speed
9rpm
Ground Pressure
4.1psi
Max. Traction Force
9435.8lb
Gradeability
30degrees
Bucket Digging Force (Iso)
8774.4lb
Arm Crowd Force (Iso)
5379.3lb
Weights
Operating Weight
11375.9lb
Hydraulic System
Type Of Hydraulic Pump
Variable capacity x 2 gear x 1
Max. Oil Flow
53.5 x 2 + 33.8 14.1 x 2 + 8.9
Hydraulic Motor (Travel)
Variable capacity x 2
Hydraulic Motor (Swing)
fixed capacity x 1
Max. Pressure Setting
3840psi
Auxiliary Hydraulic Flow
18.5gal/min
Blade
Blade Width
6.5ft in
Blade Height
14in
Drive System
Drive Method
Hydrostatic
Type Of Travel Brake
Hydraulic lock type
Type Of Travel Shoe
Rubber
