United States - English

Current number of specifications

 
Komatsu PC78UU-8 Midi Excavator

Selected Dimensions

Undercarriage
N. Shoe Size17.7 in450 mm

Specification

Electrical System
Alternator25 A
Starter3.0 kw
Operation voltage24 V V
Battery55 Ah
Engine
Horsepower, Gross-SAE J199557.7 hp43 kw
Horsepower, Net-ISO 924955 hp41 kw
Horsepower, Net-SAE J134955 hp41 kw
Number of Cylinders4
Make2238
ModelSAA4D95LE-5
TypeWater-cooled,4-cycle,Direct Injection
Power Measured @1950 rpm
Displacement199 cu in3.3 L
AspirationTurbocharged
Fan drive typeMechanical
Driveline
Drawbar pull, maximum (kg)6820
Travel speed2.9/5.0
Capacities
Fuel Tank33 gal125 L
Engine Oil2 gal7.5 L
Radiator2.8 gal10.5 L
Hydraulic29.1 gal110 L
Operational
Swing Speed1340 rpm
Boom size12.3 ft in3.7 m
Boom typeStandard
Arm size5.6 ft in1.7 m
Maximum reach @ ground level20.5 ft in6240 mm
Arm typeStandard
Bucket size – KGA standard GP0.27 yd30.21 m3
Bucket crowd force – ISO6250
Digging depth – maximum13.9 ft in4230 mm
Digging reach – maximum21 ft in6400 mm
Arm crowd force – ISO3960
Swing Mechanism
Swing Speed10 rpm
Undercarriage
Adjustment of the track tensionGrease
Number of Shoes per Side39
Shoe Size17.7 in450 mm
Number of Carrier Rollers per Side1
Number of Track Rollers per Side5
Ground Pressure0.68 psi4.7 kPa
shoe typeRoadliner
Weights
Operating weight17548.8 lb7960 kg
Bucket weight - KGA GP456.4 lb207 kg
Quick hitch weight – KGA231.5 lb105 kg
Hydraulic System
TypeHydrauMind System
Selectable work modes5
Economy sub-mode selections4
Main pump typeVariable displacement, axial piston
Dimensions
Overall track width7.6 ft in2320 mm
Track Gauge6.1 ft in1870 mm
Track length on ground7.3 ft in2235 mm
Overall length19.9 ft in6060 mm
Overall Height9 ft in2730 mm