Komatsu PC30MR-5 SMALL EXCAVATORS

Komatsu PC30MR-5 SMALL EXCAVATORS

BucketCapacityMax 0.21
BucketCapacityMin 0.07
Horsepower 24.4 @ 2200 rpm
OperatingWeightMax 6836
OperatingWeightMin 6505
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New Engine Technologies

The PC30MR-5 is equipped with a clean engine that complies with the EPA Tier 4 Final emission regulations. The engine uses proven environment friendly technologies such as an exhaust gas aftertreatment system, an electronically-controlled cooled Exhaust Gas Recirculation (EGR) system, and an optimum fuel injection system using a common rail. These technologies, combined with Komatsu’s own electronic control system, minimize environmental impact and improve fuel economy.

Electronic Control System

The engine and hydraulic system are optimally controlled according to the operating conditions. The hydraulic loss reductions also help reduce both fuel consumption and environmental impact.

Multi-Function Monitor

Various alerts and machine information are displayed in a simple format. Useful information such as operation records, machine setting and maintenance data are also provided. The operator can easily switch screens.

Efficient and Effective Maintenance

Large service compartment doors and tilting cab platform provide simplified daily inspection and maintenance. Large engine and cooler compartment doors simplify daily inspection and periodic maintenance activities. The operator platform tilts forward providing unimpeded access to hydraulic and engine components for maintenance or repair work.

Minimum Swing Radius

The extra-small swing radius with minimum rear protrusion from the tracks (25mm for PC30MR-5) allows the operator to concentrate on work in confined areas.

Model Komatsu 3D88E-7*
Type Water-cooled, direct injection
Number of cylinders    3
Bore 88 mm 3.46"
Stroke 90 mm
3.54"
Piston displacement 1.642 ltr
100.2 in³
Horsepower:
SAE J1995 - Gross 18.2 kW 24.4 HP
ISO 9249 / SAE J1349 - Net 18.2 kW 24.4 HP
Rated rpm

2200
Fan drive method for radiator cooling   Mechanical
*EPA Tier 4 Final emissions certified    

Number of selectable
working modes
  2
Main pumps:
   
Pumps for
  Boom, arm, bucket, and travel circuits
Type
  Variable displacement piston x 2
Maximum flow
32 ltr/min
18.3 gal/min
Pumps for
  Swing and blade
Type
  Gear x 2
Swing pump maximum flow
18.7 ltr/min
4.9 gal/min
Swing pressure maximum
20.1 MPa
2,915 psi
Blade pump maximum flow
9.9 ltr/min
2.61 gal/min
Blade pressure maximum
21.5 MPa
3,118 psi
Max auxiliary flow rate
at 20.5 MPa / 2,973 psi
50 Lpm
13.2 gpm
Hydraulic valve
  8 spool
Operating method

Hydraulic assist
Travel motor:
   
Type
  Variable displacement piston x 2
(with counterbalance valve and travel shaft brake)
Swing motor:
   
Type
Fixed displacement piston type x 1
(with brake valve and swing shaft brake)
Hydraulic cylinders:
(number of cylinders)

bore x stroke x rod diameter
Boom (1)

80 mm x 550 mm x 45 mm
3.14" x 21.6" x 1.77"
Arm (1)

75 mm x 595 mm x 45 mm
2.9" x 23.4" x 1.77"
Bucket (1)

65 mm x 490 mm x 40 mm
2.55" x 19.29" x 1.57"
Boom swing (1)

80 mm x 500 mm x 40 mm
3.14" x 19.6" x 1.57"
Blade (1)

85 mm x 135 mm x 45 mm
3.34" x 5.11" x 1.77"

Steering control
  Two levers with pedals
Drive method   Hydrostatic
Gradeability   30°
Maximum travel speed (rubber):
(Auto-shift)

High 4.6 km/h 2.85 mph
Low 2.6 km/h 1.61 mph
Service brake   Hydraulic lock
Parking brake   Mechanical disc
Maximum drawbar pull 33 kN 3400 kgf 7,495 lbf

Center frame X-frame
Track frame Box-section
Track type Sealed
Track adjuster Greased gun
Number of carrier rollers (each side) 1
Number of track rollers (each side) 4

Engine 6.7 ltr 1.77 U.S. gal
Hydraulic system 20 ltr 5.3 U.S. gal
Cooling system 3.3 ltr 0.87 U.S. gal
Fuel tank 41 ltr
10.8 U.S. gal
Final drive (each side) 0.6 ltr
0.15 U.S. gal

With ROPS Canopy, Rubber Shoe
   
Operating Weight
2950 kg 6,505 lb
Ground Pressure
26.7 kPa 3.87 psi
With ROPS Cab, Rubber Shoe


Operating Weight
3100 kg 6,836 lb
Ground Pressure 28 kPa 4.06 psi

Width x height 1550 mm x 355 mm 5'1" x 1'2"

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