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Komatsu PC78MR-6 Excavator

Boom/Stick Excavator Option 1

Max Cutting Height21.6 ft (7 m)
Max Digging Depth13.7 ft (4 m)
Max Loading Height14.9 ft (5 m)
Max Reach Along Ground22.9 ft (7 m)
Max Vertical Wall Digging Depth9.6 ft (3 m)
Shipping Height of Unit9 ft (3 m)
Shipping Length of Unit20.4 ft (6 m)

Boom/Stick Excavator Option 2

Max Cutting Height22.4 ft (7 m)
Max Digging Depth15.6 ft (5 m)
Max Loading Height15.7 ft (5 m)
Max Reach Along Ground24.6 ft (8 m)
Max Vertical Wall Digging Depth10.9 ft (3 m)
Shipping Height of Unit9 ft (3 m)
Shipping Length of Unit20.4 ft (6 m)

Bucket

Maximum Bucket Capacity0.5 cu yds (0 m)
Minimum Bucket Capacity0.2 cu yds (0 m)
Reference Bucket Capacity0.4 cu yds (0 m)

Dimensions

Ground Clearance1.2 ft (0 m)
Height - Top of Cab9 ft (3 m)
Removal Counterweight Clearance2.5 ft (1 m)
Tail Swing Radius4.7 ft (1 m)
Width to Outside of Tracks7.7 ft (2 m)

Engine

AspirationTurbocharged with aftercooler
Displacement199 cu in (0 m)
Engine ModelS4D95LE-3
Net Power54 hp (40 kw)
Number of Cylinders4
Power Measured @1850 rpm

Operating Specifications

Alternator Supplied Amperage25 A
Cooling System Fluid Capacity2.8 gal (11 l)
Engine Oil Capacity2 gal (8 l)
Fuel Capacity33.1 gal (125 l)
Hydraulic Pump Flow Capacity42.3 gal/min (160 l/min)
Hydraulic System Fluid Capacity29.1 gal (110 l)
Hydraulic System Relief Valve Pressure3840.4 psi
Operating Voltage24 V V
Operating Weight18232.3 lbs (8,270 kg)

Swing Mechanism

Swing Speed10 rpm

Undercarriage

Drawbar Pull14550 lbs (6,600 kg)
Ground Pressure5.4 psi
Max Travel Speed2.7 mph (4 kph)
Number of Carrier Rollers per Side1
Number of Shoes per Side39
Number of Track Rollers per Side5
Shoe Size17.8 in (45 cm)
Track Gauge6.2 ft (2 m)
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    39.95234 \\ -75.16379 \\ 3.236.234.223 \\ Fort Washington \\ PA