Komatsu PC78MR-6 Mini Excavator

Boom/Stick Excavator Option 1

Max Cutting Height 22 ft (7 m)
Max Digging Depth 14 ft (4 m)
Max Loading Height 15 ft (5 m)
Max Reach Along Ground 23 ft (7 m)
Max Vertical Wall Digging Depth 10 ft (3 m)
Shipping Height of Unit 9 ft (3 m)
Shipping Length of Unit 20 ft (6 m)

Boom/Stick Excavator Option 2

Max Cutting Height 22 ft (7 m)
Max Digging Depth 16 ft (5 m)
Max Loading Height 16 ft (5 m)
Max Reach Along Ground 25 ft (7 m)
Max Vertical Wall Digging Depth 11 ft (3 m)
Shipping Height of Unit 9 ft (3 m)
Shipping Length of Unit 20 ft (6 m)

Bucket

Maximum Bucket Capacity 1 cu yd (0 cu m)
Minimum Bucket Capacity 0 cu yd (0 cu m)
Reference Bucket Capacity 0 cu yd (0 cu m)

Dimensions

Ground Clearance 1 ft (0 m)
Height – Top of Cab 9 ft (3 m)
Removal Counterweight Clearance 3 ft (1 m)
Tail Swing Radius 5 ft (1 m)
Width to Outside of Tracks 8 ft (2 m)

Engine

Aspiration Turbocharged with aftercooler
Displacement 199 cu in (3,261 cu cm)
Engine Model S4D95LE-3
Net Power 54 hp (40 kw)
Number of Cylinders 4
Power Measured @ 1850 rpm

Operating Specifications

Alternator Supplied Amperage 25 amps
Cooling System Fluid Capacity 3 gal (11 l)
Engine Oil Capacity 2 gal (8 l)
Fuel Capacity 33 gal (125 l)
Hydraulic Pump Flow Capacity 42 gpm (160 lpm)
Hydraulic System Fluid Capacity 29 gal (110 l)
Hydraulic System Relief Valve Pressure 3840.4 psi
Operating Voltage 24 volts
Operating Weight 18,232 lbs (8,270 kg)

Swing Mechanism

Swing Speed 10 rpm

Undercarriage

Drawbar Pull 14,550 lbs (6,600 kg)
Ground Pressure 5.4 psi
Max Travel Speed 3 mph (4 kph)
Number of Carrier Rollers per Side 1
Number of Shoes per Side 39
Number of Track Rollers per Side 5
Shoe Size 18 in (45 cm)
Track Gauge 6 ft (2 m)
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