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Komatsu Excavators PC88MR-10

Komatsu Excavators PC88MR-10
PC88MR-10 Hydraulic Excavator

The PC88MR-10 is a link between minis and mid-size excavators. The PC88MR-10 has a swing boom, tight tail swing, three track options and backfill blade like a mini but is built to have the reliability and durability of larger excavators.

Engine
Model Komatsu SAA4D95LE-5
Type Water cooled, 4-cycle, direct injection
Aspiration Turbocharged, and air-to-air aftercooled
Number of cylinders 4
Piston displacement 199 in³ 3.26 ltr
Horsepower @ 1950 rpm:
Net (ISO 9249/SAE J1349) 65.5 HP 48.8 kW
Electric System
Operation voltage 24 V
Battery 55 Ah / 2x12 V
Alternator 35 A / 24 V
Starter 4.5 kW / 24 V
Hydraulic System
Type - HydrauMind (Hydraulic Mechanical Intelligence New Design) system, Closed-center system with load-sensing valves and pressure-compensated valves
Main pumps:
Type Variable displacement, axial piston
Maximum flow 42.3 U.S gal/min 160 ltr/min
Hydraulic motors:
Travel 2 x piston motor with parking brake
Swing 1 x piston motor with swing holding brake
Relief valve setting:
Implement, travel circuit 3,840 psi 26.5 MPa 270 kgf/cm²
Swing and blade circuit 3,060 psi 21.1 MPa 215 kgf/cm²
Performance
Travel speed:
High 3.2 mph 5.1 km/hr
Low 1.8 mph 2.9 km/hr
Swing speed 10.0 rpm
Ground pressure 5.4 psi 0.38 kg/cm²
Max. drawbar pull 15,050 lbf 66.9 kN / 6820 kgf
Gradeability 35°
Bucket digging force (ISO) 13,780 lb 6250 kg
Arm crowd force (ISO) 8,160 lb 3700 kg
Swing System
Driven by Hydraulic motor
Swing reduction Planetary gear
Swing circle lubrication Grease-bathed
Swing lock Automatic, with oil immersed discs
Drives & Brakes
Steering control Two levers with pedalsr
Drive method Fully hydrostatic
Service brake Hydraulic lock
Parking brake Mechanical disc
Undercarriage
Center frame X-frame
Track frame Box-section
Track type Sealed track
Track adjuster Hydraulic
Number of carrier rollers 1 each side
Number of track rollers 5 each side
Refill Capacities
Fuel tank 33.0 u.s. gal 125 ltr
Radiator 2.6 u.s. gal 10 ltr
Engine 2.9 u.s. gal 11 ltr
Final drive, each side 0.3 u.s. gal 1.1 ltr
Swing drive 0.7 U.S. gal 2.85 ltr
Hydraulic tank 14.8 u.s. gal 56 ltr
Operating Weight (approximate)
Operating weight including 3405 mm / 11'2" one-piece boom, 2100 mm / 6'11" arm, SAE heaped 0.28 m³ / 0.37 yd³ backhoe bucket, blade, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment.
Operating weight 18,558 lb 8420 kg

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