Komatsu · Mini Excavator

Komatsu PC20MRX-1 Specs

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

Komatsu

Overview

The Komatsu PC20MRX-1 is a mini 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 19 hp, operating weight of 5,049 lb, working depth of 7.75 ft, reach of 13.51 ft, capacity of 0.1 yd³ and travel speed of 3.0 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 PC20MRX-1 against similar mini excavator models by power, weight, capacity, dimensions, speed, and other technical values.

Key Specifications

Operating Weight
5,048.60
lb

Gross Power
18.80
hp

Max Digging Depth
7.75
ft

Reference Bucket Capacity
0.10
yd3

Full Specifications

29 specs

Dimensions

Boom/Stick Option (Hex) 1 Boom 5'11" (1809mm)/Stick 3'1" (930mm)

Ground Clearance 0.94 ft / 0.29 m

Height to Top of Cab 7.91 ft / 2.41 m

Length of Track on Ground 6.06 ft / 1.85 m

Max Cutting Height 12.62 ft / 3.85 m

Max Digging Depth 7.75 ft / 2.36 m

Max Loading Height 8.47 ft / 2.58 m

Max Reach Along Ground 13.51 ft / 4.12 m

Max Vertical Wall Digging Depth 6.63 ft / 2.02 m

Removal Counterweight Clearance 2 lb / 1 kg

Tail Swing Radius 2.63 ft / 0.80 m

Width To Outside Of Tracks 4.76 ft / 1.45 m

Engine

Displacement 61 cu in / 1.0 L

Engine Make 2238

Engine Model 3D74E

Fuel Capacity 6.70 gal / 25.4 L

Gross Power 19 hp / 14.0 kW

Hydraulic Pump Flow Capacity 15.80 gal/min / 59.8 L/min

Hydraulic System Fluid Capacity 5.60 gal / 21.2 L

Hydraulic System Relief Valve Pressure 2,990 psi / 206.2 bar

Maximum Bucket Capacity 0.20 yd³ / 0.15 m³

Minimum Bucket Capacity 0.10 yd³ / 0.08 m³

Operating Weight 5,049 lb / 2,290 kg

Reference Bucket Capacity 0.10 yd³ / 0.08 m³

Swing Speed 9.30 deg

Undercarriage

Ground Pressure 5 psi / 0.3 bar

Max Travel Speed 2.99 mph / 4.8 km/h

Shoe Size 9.85 in / 250 mm

Track Gauge 3.94 ft / 1.20 m

Related Machines

Related Guides & Articles

Mar 16, 2026

Top Mini Excavator 2025 Models for Efficient Construction

Read article →

Mar 14, 2026

Mini Excavator vs Excavator: Key Differences Explained

Read article →

Mar 22, 2026

Mini Excavator Weight Classes: Choosing the Right Machine for Your Site

Read article →

Frequently Asked Questions

What is the operating weight of the Komatsu PC20MRX-1? +

The Komatsu PC20MRX-1 has an operating weight of 5,049 lb (2,290 kg). This places it in a class suited for mini excavator applications where ground pressure and transport weight are key considerations.

How powerful is the Komatsu PC20MRX-1 engine? +

The Komatsu PC20MRX-1 produces 19 hp (14.0 kW) of engine power. This output is typical for its weight class and designed to handle demanding Mini Excavator work cycles efficiently.

What is the maximum digging depth of the Komatsu PC20MRX-1? +

The Komatsu PC20MRX-1 has a maximum digging depth of 7.75 ft (2.36 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.

What is the maximum reach of the Komatsu PC20MRX-1? +

The Komatsu PC20MRX-1 has a maximum reach along the ground of 13.51 ft (4.12 m), allowing it to work effectively across wide areas without repositioning.

What is the travel speed of the Komatsu PC20MRX-1? +

The Komatsu PC20MRX-1 has a maximum travel speed of 3.0 mph (4.8 km/h), enabling efficient movement between work areas on the job site.

How does the Komatsu PC20MRX-1 compare to similar Mini Excavator models? +

You can compare the Komatsu PC20MRX-1 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.