Komatsu · Midi Excavator

Komatsu PC78MR-6 Midi Excavator Specs

/5 · ratings Be the first to rate ✓ Thanks!

Komatsu

Overview

The Komatsu PC78MR-6 Midi Excavator is a midi excavator listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 54 hp, operating weight of 18,232 lb, working depth of 13.65 ft, reach of 22.84 ft, capacity of 0.4 yd³ and travel speed of 2.6 mph. This model can be reviewed for excavation, trenching, loading, site preparation, and fleet comparison workflows. Use the full specifications table to compare the Komatsu PC78MR-6 Midi Excavator against similar midi excavator models by power, weight, capacity, dimensions, speed, and other technical values.

Key Specifications

Operating Weight
18,232.30
lb

Net Power
54
hp

Max Digging Depth
13.65
ft

Reference Bucket Capacity
0.40
yd3

Full Specifications

41 specs

Dimensions

Ground Clearance 1.19 ft / 0.36 m

Height to Top of Cab 8.96 ft / 2.73 m

Length of Track on Ground 7.34 ft / 2.24 m

Max Cutting Height 21.56 ft / 6.57 m

Max Digging Depth 13.65 ft / 4.16 m

Max Loading Height 14.82 ft / 4.52 m

Max Reach Along Ground 22.84 ft / 6.96 m

Max Vertical Wall Digging Depth 9.52 ft / 2.90 m

Removal Counterweight Clearance 2 lb / 1 kg

Shipping Height Of Unit 8.96 ft / 2.73 m

Shipping Length Of Unit 20.34 ft / 6.20 m

Tail Swing Radius 4.61 ft / 1.41 m

Width To Outside Of Tracks 7.62 ft / 2.32 m

standard arm 2

Engine

Alternator Supplied Amperage 25 A

Cooling System Fluid Capacity 2.80 gal / 10.6 L

Displacement 199 cu in / 3.3 L

Engine Make 2238

Engine Model S4D95LE-3

Engine Oil Capacity 2 gal / 7.6 L

Fuel Capacity 33.10 gal / 125.3 L

Hydraulic Pump Flow Capacity 42.30 gal/min / 160.1 L/min

Hydraulic System Fluid Capacity 29.10 gal / 110.2 L

Hydraulic System Relief Valve Pressure 3,840 psi / 264.8 bar

Maximum Bucket Capacity 0.50 yd³ / 0.38 m³

Minimum Bucket Capacity 0.20 yd³ / 0.15 m³

Net Power 54 hp / 40.3 kW

Number of Cylinders 4

Operating Voltage 24 V

Operating Weight 18,232 lb / 8,270 kg

Power Measured @ 1,850 rpm

Reference Bucket Capacity 0.40 yd³ / 0.31 m³

Swing Speed 10 deg

Undercarriage

Drawbar Pull 14,550 lb / 6,600 kg

Ground Pressure 5 psi / 0.4 bar

Max Travel Speed 2.61 mph / 4.2 km/h

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 / 450 mm

Track Gauge 6.14 ft / 1.87 m

Related Machines

Caterpillar

307C Midi Excavator

Caterpillar

304C CR Midi Excavator

Caterpillar

305C CR Midi Excavator

Caterpillar

307C SB Midi Excavator

Volvo Construction Equipment

Volvo EC70 Midi Excavator

Caterpillar

307B SB Midi Excavator

Frequently Asked Questions

What is the operating weight of the Komatsu PC78MR-6 Midi Excavator? +

The Komatsu PC78MR-6 Midi Excavator has an operating weight of 18,232 lb (8,270 kg). This places it in a class suited for midi excavator applications where ground pressure and transport weight are key considerations.

How powerful is the Komatsu PC78MR-6 Midi Excavator engine? +

The Komatsu PC78MR-6 Midi Excavator produces 54 hp (40.3 kW) of engine power. This output is typical for its weight class and designed to handle demanding Midi Excavator work cycles efficiently.

What is the maximum digging depth of the Komatsu PC78MR-6 Midi Excavator? +

The Komatsu PC78MR-6 Midi Excavator has a maximum digging depth of 13.65 ft (4.16 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.

What is the maximum reach of the Komatsu PC78MR-6 Midi Excavator? +

The Komatsu PC78MR-6 Midi Excavator has a maximum reach along the ground of 22.84 ft (6.96 m), allowing it to work effectively across wide areas without repositioning.

What is the travel speed of the Komatsu PC78MR-6 Midi Excavator? +

The Komatsu PC78MR-6 Midi Excavator has a maximum travel speed of 2.6 mph (4.2 km/h), enabling efficient movement between work areas on the job site.

How does the Komatsu PC78MR-6 Midi Excavator compare to similar Midi Excavator models? +

You can compare the Komatsu PC78MR-6 Midi Excavator side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.