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Komatsu PC78UU-8 Excavator Specs

Capacities

Komatsu PC78UU-8 Excavator Capacities specifications
Engine Oil 2.00 gal (7.57 l)
Fuel Tank 33.10 gal (125.28 l)
Hydraulic 29.10 gal (110.14 l)
Radiator 2.80 gal (10.60 l)

Dimensions

Komatsu PC78UU-8 Excavator Dimensions specifications
Overall Height 8.96 ft (2.73 m)
Overall Length 19.89 ft (6.06 m)
Overall Track Width 7.62 ft (2.32 m)
Track Gauge 6.14 ft (1.87 m)
Track Length On Ground 7.34 ft (2.24 m)

Driveline

Komatsu PC78UU-8 Excavator Driveline specifications
Drawbar Pull, Maximum (Kg) 6820
Travel Speed 2.9/5.0

Electrical System

Komatsu PC78UU-8 Excavator Electrical System specifications
Alternator 25 A
Battery 55 Ah
Starter 3.0 kw

Engine

Komatsu PC78UU-8 Excavator Engine specifications
Aspiration Turbocharged
Displacement 199.00 cu in (3,261.03 cu cm)
Engine Make 2238
Engine Model SAA4D95LE-5
Engine Type Water-cooled,4-cycle,Direct Injection
Fan Drive Type Mechanical
Horsepower, Gross-Sae J1995 57.70 hp (43.03 kw)
Horsepower, Net-Iso 9249 55.00 hp (41.01 kw)
Horsepower, Net-Sae J1349 55.00 hp (41.01 kw)
Number Of Cylinders 4
Power Measured @ 1950 rpm

Hydraulic System

Komatsu PC78UU-8 Excavator Hydraulic System specifications
Economy Sub-Mode Selections 4
Hydraulic System Type HydrauMind System
Main Pump Type Variable displacement, axial piston
Selectable Work Modes 5

Operational

Komatsu PC78UU-8 Excavator Operational specifications
Arm Crowd Force – Iso 3960
Arm Size 5.70 ft (1.74 m)
Arm Type Standard
Boom Size 12.30 ft (3.75 m)
Boom Type Standard
Bucket Crowd Force – Iso 6250
Bucket Size – Kga Standard Gp 0.3 cu yd
Digging Depth – Maximum 13.90 ft (4.24 m)
Digging Reach – Maximum 21.00 ft (6.40 m)
Maximum Reach @ Ground Level 20.50 ft (6.25 m)
Swing Speed 1340 rpm

Swing Mechanism

Komatsu PC78UU-8 Excavator Swing Mechanism specifications
Swing Speed 10 rpm

Undercarriage

Komatsu PC78UU-8 Excavator Undercarriage specifications
Adjustment Of The Track Tension Grease
Ground Pressure 0.69 psi
Number Of Carrier Rollers Per Side 1
Number Of Shoes Per Side 39
Number Of Track Rollers Per Side 5
Shoe Size 17.72 in (45.01 cm)
Shoe Type Roadliner

Weights

Komatsu PC78UU-8 Excavator Weights specifications
Bucket Weight - Kga Gp 456.40 lbs (207.02 kg)
Operating Weight 17,548.80 lbs (7,960.01 kg)
Quick Hitch Weight – Kga 231.50 lbs (105.01 kg)
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