Komatsu · Midi Excavator

Komatsu PC45R-8 Midi Excavator Specs

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Komatsu

Overview

The Komatsu PC45R-8 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 39 hp, operating weight of 10,472 lb, working depth of 11.55 ft, reach of 19.07 ft, capacity of 0.3 yd³ and travel speed of 2.9 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 PC45R-8 Midi Excavator against similar midi excavator models by power, weight, capacity, dimensions, speed, and other technical values.

Key Specifications

Operating Weight
10,472
lb

Net Power
38.80
hp

Gross Power
44.10
hp

Max Digging Depth
11.55
ft

Full Specifications

43 specs

Dimensions

2840mm arm w/ stick 1480mm 2

Boom/Stick Option (Hex) 1 2840mm arm w/ stick 1480mm

Ground Clearance 1.12 ft / 0.34 m

Height to Top of Cab 8.40 ft / 2.56 m

Length of Track on Ground 6.37 ft / 1.94 m

Max Cutting Height 18.90 ft / 5.76 m

Max Digging Depth 11.55 ft / 3.52 m

Max Loading Height 13.75 ft / 4.19 m

Max Reach Along Ground 19.07 ft / 5.81 m

Max Vertical Wall Digging Depth 8.54 ft / 2.60 m

Removal Counterweight Clearance 2 lb / 1 kg

Shipping Height Of Unit 8.40 ft / 2.56 m

Shipping Length Of Unit 18 ft / 5.49 m

Tail Swing Radius 4.83 ft / 1.47 m

Width To Outside Of Tracks 6.24 ft / 1.90 m

Engine

Alternator Supplied Amperage 40 A

Cooling System Fluid Capacity 2 gal / 7.6 L

Displacement 122 cu in / 2.0 L

Engine Make 2238

Engine Model 4D84E-3FA

Engine Oil Capacity 2.20 gal / 8.3 L

Fuel Capacity 13.70 gal / 51.9 L

Gross Power 44 hp / 32.9 kW

Hydraulic Pump Flow Capacity 34.30 gal/min / 129.8 L/min

Hydraulic System Fluid Capacity 8.80 gal / 33.3 L

Hydraulic System Relief Valve Pressure 3,626 psi / 250.0 bar

Max Torque 87 lb-ft / 118 Nm

Maximum Bucket Capacity 0.30 yd³ / 0.23 m³

Minimum Bucket Capacity 0.10 yd³ / 0.08 m³

Net Power 39 hp / 28.9 kW

Number of Cylinders 4

Operating Voltage 24 V

Operating Weight 10,472 lb / 4,750 kg

Power Measured @ 2,500 rpm

Reference Bucket Capacity 0.30 yd³ / 0.23 m³

Swing Speed 9 deg

Torque Measured @ 1,800 rpm

Undercarriage

Ground Pressure 4 psi / 0.3 bar

Max Travel Speed 2.86 mph / 4.6 km/h

Number Of Shoes Per Side 38

Number of Track Rollers per Side 5

Shoe Size 15.75 in / 400 mm

Track Gauge 4.93 ft / 1.50 m

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Frequently Asked Questions

What is the operating weight of the Komatsu PC45R-8 Midi Excavator? +

The Komatsu PC45R-8 Midi Excavator has an operating weight of 10,472 lb (4,750 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 PC45R-8 Midi Excavator engine? +

The Komatsu PC45R-8 Midi Excavator produces 44 hp (32.9 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 PC45R-8 Midi Excavator? +

The Komatsu PC45R-8 Midi Excavator has a maximum digging depth of 11.55 ft (3.52 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.

What is the maximum reach of the Komatsu PC45R-8 Midi Excavator? +

The Komatsu PC45R-8 Midi Excavator has a maximum reach along the ground of 19.07 ft (5.81 m), allowing it to work effectively across wide areas without repositioning.

What is the travel speed of the Komatsu PC45R-8 Midi Excavator? +

The Komatsu PC45R-8 Midi Excavator has a maximum travel speed of 2.9 mph (4.6 km/h), enabling efficient movement between work areas on the job site.

How does the Komatsu PC45R-8 Midi Excavator compare to similar Midi Excavator models? +

You can compare the Komatsu PC45R-8 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.