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Metric
Imperial (US)
Excavators
PC55MR-5
Crawler excavators
- Bucket capacity (m^3) 0.055 - 0.18
- Bucket capacity (yd^3) 0.07 - 0.24
- Horsepower (HP) 38 HP @ 2,400 rpm
- Horsepower (kW) 28.3 kW @ 2 400 rpm
- Operating weight (kg) 5 150 - 5 270
- Operating weight (lbs) 11,354 - 11,618
Power, precision, and comfort
Komatsu small excavators feature advanced technology for maximum efficiency, improved productivity, lower fuel consumption. They offer reliable performance, excellent forward visibility, and a comfortable operator workspace. Experience power, precision, and comfort with this model.
Specifications
- Full specs
- Standard equipment
- Optional equipment
Metric
Imperial (US)
Expand all
- Operating weight features (ft): Operating weight including 9 ft. 6 in one-piece boom, 5 ft. 5 in arm, SAE heaped 0.21 yd3 bucket, blade, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment.
- Operating weight features (mm): Operating weight including 2 900 mm one-piece boom, 1 640 mm arm, SAE heaped 0.16 m3 bucket, blade, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment.
- Shoes size (mm): 400
- Shoes size (in): 16
-
ROPS canopy, rubber shoe
- Ground pressure with ROPS canopy, rubber shoe (psi): 4.12
- Ground pressure ISO 16754 with ROPS canopy, rubber shoe (kg/cm^2): 0.29
- Ground pressure ISO 16754 with ROPS canopy, rubber shoe (kPa): 28.9
- Operating weight with ROPS canopy, rubber shoe (lbs): 11,354
- Operating weight with ROPS canopy, rubber shoe (kg): 5 150
-
ROPS cab, rubber shoe
- Ground pressure ISO 16754 with ROPS cab, rubber shoe (psi): 4.27
- Ground pressure ISO 16754 with ROPS cab, rubber shoe (kg/cm^2): 0.3
- Ground pressure ISO 16754 with ROPS cab, rubber shoe (kPa): 29.6
- Operating weight with ROPS cab, rubber shoe (lbs): 11,618
- Operating weight with ROPS cab, rubber shoe (kg): 5 270
- HydrauMind Type: HydrauMind (Hydraulic Mechanical Intelligence New Design) system
- Number of selectable working modes: 2
-
Relief valve setting
- Implement circuits (psi): 3,844
- Travel circuit (psi): 3,844
- Implement circuits (MPa): 26.5
- Swing circuit (psi): 3,133
- Implement circuits (kgf/cm^2): 270
- Pilot circuit (psi): 455
- Blade circuit (psi): 3,133
- Blade circuit (kgf/cm^2): 220
- Blade circuit (MPa): 21.6
- Pilot circuit (kgf/cm^2): 32
- Pilot circuit (MPa): 3.14
- Swing circuit (kgf/cm^2): 220
- Swing circuit (MPa): 21.6
- Travel circuit (kgf/cm^2): 270
- Travel circuit (MPa): 26.5
-
Main pump
- Pumps for: Swing and blade
- Variable Type: Variable displacement, axial piston
- Maximum flow (L/min): 153.3
- Maximum flow (US gpm): 40.1
- Swing pump maximum flow (L/min): 63
- Swing pump maximum flow (gpm): 16.6
- Gear Type: Fixed displacement gear
- Main pumps for: Boom, arm, bucket, and travel circuits
-
Hydraulic cylinders
- Boom (Number of cylinders – bore x stroke x rod diameter)(in): 3.54 x 27.2 x 1.97
- Boom (Number of cylinders – bore x stroke x rod diameter)(mm): 90 x 691 x 50
- Arm (Number of cylinders – bore x stroke x rod diameter)(in): 3.35 x 28.9 x 2.17
- Arm (Number of cylinders – bore x stroke x rod diameter)(mm): 85 x 733 x 55
- Bucket (Number of cylinders – bore x stroke x rod diameter)(in): 2.95 x 22.8 x 1.97
- Bucket (Number of cylinders – bore x stroke x rod diameter)(mm): 75 x 580 x 50
- Blade (1)(in): 4.33 x 5.5 x 1.97
- Blade (1)(mm): 110 x 140 x 50
- Boom swing (1)(mm): 95 x 630 x 50
- Boom swing (1)(in): 3.74 x 24.8 x 1.97
-
Hydraulic motors
- Travel: 2 x axial piston motor with parking brake
- Swing: 1 x axial piston motor with swing holding brake
- Cooling Type: Water-cooled, 4-cycle, direct injection, cooled EGR
- Aspiration: Naturally aspirated
- Number of cylinders: 4
- Bore (mm): 88
- Bore (in): 3.46
- Stroke (mm): 90
- Stroke (in): 3.54
- Piston displacement (in^3): 134
- Piston displacement (L): 2.19
- Engine Rated (rpm): 2,400
- Governor: All-speed control, electronic
- Fan drive method for radiator cooling: Mechanical
- Engine model: Komatsu 4D88E-7*
-
Horsepower
- SAEJ1995 - Gross (HP): 39
- SAEJ1995 - Gross (kW): 29.1
- ISO 9249 / SAE J1349 - Net (HP): 38
- ISO 9249 / SAE J1349 - Net (kW): 28.3
- Drive method type: Hydrostatic
- Maximum drawbar pull (kgf): 4 280
- Maximum drawbar pull (lbs): 9,436
- Service brake type: Hydraulic lock
- Parking brake: Mechanical brake
- Gradeability: 30°
- Max digging force (kgf): 3 980
- Max digging force (lbf): 8,768
-
Maximum travel speed
- High (kph): 4.6
- High (mph): 2.9
- Low (mph): 1.6
- Low (kph): 2.6
- Fuel tank (US gal): 17.2
- Coolant (US gal): 2.4
- Engine (US gal): 2.2 (2.0)
- Final drive (US gal): 0.2
- Hydraulic tank (L): 55 (20)
- Hydraulic tank (US gal): 14.5 (5.3)
- Fuel tank (L): 65
- Engine (L): 8.1 (7.5)
- Coolant (L): 8.9
- Final drive (L): 0.7
- Center frame: X-frame
- Track frame: Box-section
- Track adjuster: Hydraulic
- Number of shoes (each side): 39
- Number of carrier rollers (each side): 1
- Number of track rollers (each side): 4
- Seal of track: Sealed
- Swing reduction: Planetary gear
- Holding brake/Swing lock: Mechanical disc brake
- Swing speed (rpm): 9
Metric
Imperial (US)
Engine
- Air cleaner, double element with auto dust evacuator
- Cooling fan, suction type
- Side by side cooling package
- Alternator, 12 V/55 A
- Auto deceleration
- Battery, 1 x 12 V/72 Ah
- Starting motor 12 V/2.3 kW
- Working light on boom
- Working light on Cab or canopy
- Auxiliary hydraulics with selector valve
- Fan guard structure
- Thermal guard
- Shoe, 16" rubber shoe
- 12 V x 1 power supply
- Automatic two-speed travel control
- Foot operated auxiliary control
- Foot operated swing boom control
- Lock lever auto lock function
- Monitor panel, 3.5" color display
- Operator identification function
- Rear view mirrors (RH, LH, rear)
- Seat belt, 3" retractable
- Suspension seat (mid height)
- Travel alarm
- Travel lamp
- Two-post ROPS canopy
- Arm - 5'5" arm assembly with piping
- Backfill blade
- Boom - 9'6" boom assembly with piping
- Auto idle shutdown
- KOMTRAX® Level 5 - cellular based
- Swing holding brake
Engine
- Air cleaner, double element with auto dust evacuator
- Cooling fan, suction type
- Side by side cooling package
- Alternator, 12 V/55 A
- Auto deceleration
- Battery, 1 x 12 V/72 Ah
- Starting motor 12 V/2.3 kW
- Working light on boom
- Working light on Cab or canopy
- Auxiliary hydraulics with selector valve
- Fan guard structure
- Thermal guard
- Shoe, 400 mm rubber shoe
- 12 V x 1 power supply
- Automatic two-speed travel control
- Foot operated auxiliary control
- Foot operated swing boom control
- Lock lever auto lock function
- Monitor panel, 3.5" color display
- Operator identification function
- Rear view mirrors (RH, LH, rear)
- Seat belt, 76 mm retractable
- Suspension seat (mid height)
- Travel alarm
- Travel lamp
- Two-post ROPS canopy
- Arm - 2640 mm arm assembly with piping
- Backfill blade
- Boom - 2900 mm boom assembly with piping
- Auto idle shutdown
- KOMTRAX® Level 5 - cellular based
- Swing holding brake
Metric
Imperial (US)
Undercarriage
- Road Liner track (16")
- Steel track (16")
Operator environment
- Cab with hinged door, air conditioner, radio ready, auxiliary input (3.5 mm jack) ready
- Proportional Control Joysticks
Work equipment
- Angle dozer blade
- Wide variety of attachments
Undercarriage
- Road Liner track (400 mm)
- Steel track (400 mm)
Operator environment
- Cab with hinged door, air conditioner, radio ready, auxiliary input (3.5 mm jack) ready
- Proportional Control Joysticks
Work equipment
- Angle dozer blade
- Wide variety of attachments
Support you can count on
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