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Excavators - Komatsu Excavators
- PC27MR-2
Tight Tail Swing
The operator can focus more on the work in front and worry less about rear swing impact in confined areas with only 80 mm 3.2" protrusion over the tracks.
Two–Post ROPS and Top Guard Canopy
• Operator maintains excellent visibility at all times
• Easy to enter and exit
Larger Operator Space and Foot Space
• Allows the operator to enter and exit the machine easily from either side
• Reclining suspension seat for added comfort
Large Operator's Cab (optional)
Foot space same as PC228US-3.
Large Capacity Air Conditioner (optional)
Helps maintain a comfortable operator environment throughout the year.
Wide Working Ranges
The MR-2 series have wider working ranges with high stability.
Greater Digging Force
Exceptional productivity combined with superior stability and superb fine control with CLSS.
Superior Lifting Capacity
MR-2 series offers high lifting capacity and stability in a tight tail machine design.
Automatic Two-Speed Travel
In high speed, travel speed is automatically shifted from high speed to low speed according to the travel load.
Cast X-track Frame
Soil does not accumulate on the track frame due to the rounded design and wide openings.
Tilt-Up Operator’s Compartment and a Fully Opening Engine Hood and Side Hoods
Operator's compartment floor tilts forward for easy access to hydraulic compartments. Full opening hoods are easy to access for periodic inspection and faster service.
500 Hour Maintenance Interval
Extended lubrication intervals of equipment bushings and swing circle and extended engine oil replacement intervals reduce maintenance costs and down time.
Specifications
Engine
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Model
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Komatsu
3D82AE
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Type
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Direct
injection
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Piston
displacement
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81
in³
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1.33
ltr
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Flywheel
horsepower@ 2600 rpm
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25.5
HP
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19
kW
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Hydraulics
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Type
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HydrauMind
(Hydraulic Mechanical Intelligence New Design) system,
closed-center system with load-sensing and pressure
compensated valves.
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Main
pump:
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Type
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Variable
displacement axial piston.
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Maximum
flow
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20
U.S. gal/min
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75.6
ltr/min
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Type
for machine with blade
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Fixed
displacement gear
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Maximum
flow
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5.7
U.S. gal/min
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21.4
ltr/min
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Auxiliary
hydraulic flow
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13.2
U.S. gal/min
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50
ltr/min
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Valve
rating:
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|
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Relief
valve setting:
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3,555
psi
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250
kg/cm²
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Bucket
digging force (ISO)
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4,920
lb
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2230
kg
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Arm
crowd force
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|
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With
arm length 3'8" / 1110 mm
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3,310
lb
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1500
kg
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Standard Equipment
• Air cleaner, single element
• Automatic two-speed travel control
• Blade
• Counterweight and additional counterweight
• Pattern change valve (ISO- Backhoe)
• Rubber shoes
• Rearview mirrors, RH/LH
• Suspension seat–reclining with arm rests
• Seat belt 76 mm 3"
• Steering pedals
• Two–post canopy or cab ROPS and Top Guard
Optional Equipment
• Additional light
• Air conditioner (with heater and defroster)
• Heater
• Reinforced blade with BOCE
• Road liner
• Steel shoes
• Radiator net
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