Komatsu PC78UU-8 Mini Excavator


Dimensions

Track Gauge 6.14 ft in (1870 mm)
Track Length On Ground 7.34 ft in (2235 mm)
Overall Height 8.96 ft in (2730 mm)
Overall Length 19.89 ft in (6060 mm)
Overall Track Width 7.62 ft in (2320 mm)

Undercarriage

Shoe Size 17.72 in (450 mm)
Ground Pressure 0.69 psi (4.7 kPa)
Adjustment Of The Track Tension Grease
Shoe Type Roadliner
Number Of Carrier Rollers Per Side 1
Number Of Shoes Per Side 39
Number Of Track Rollers Per Side 5

Electrical System

Alternator 25 A
Starter 3.0 kw
Battery 55 Ah

Engine Details

Horsepower, Gross-Sae J1995 57.7 hp (43 kw)
Horsepower, Net-Iso 9249 55 hp (41 kw)
Horsepower, Net-Sae J1349 55 hp (41 kw)
Number Of Cylinders 4
Engine Make Komatsu
Engine Model SAA4D95LE-5
Engine Type Water-cooled,4-cycle,Direct Injection
Power Measured @ 1950 rpm
Displacement 199 cu in (3.3 L)
Aspiration Turbocharged
Fan Drive Type Mechanical

Driveline

Drawbar Pull, Maximum (Kg) 6820
Travel Speed 2.9/5.0

Capacities

Fuel Tank Capacity 33.1 gal (125 L)
Engine Oil 2 gal (7.5 L)
Radiator 2.8 gal (10.5 L)
Hydraulic 29.1 gal (110 L)

Operational Specs

Swing Speed 1340 rpm
Boom Size 12.3 ft in (3.8 m)
Boom Type Standard
Arm Size 5.7 ft in (1.8 m)
Bucket Crowd Force – Iso 6250
Arm Type Standard
Bucket Size – Kga Standard Gp 0.3 yd3
Arm Crowd Force – Iso 3960
Digging Reach – Maximum 21 ft in (6400 mm)
Digging Depth – Maximum 13.9 ft in (4230 mm)
Maximum Reach @ Ground Level 20.5 ft in (6240 mm)

Swing Mechanism

Swing Speed 10 rpm

Weights

Operating Weight 17548.8 lb (7960 kg)
Bucket Weight – Kga Gp 456.4 lb (207 kg)
Quick Hitch Weight – Kga 231.5 lb (105 kg)

Hydraulic System

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