Terex · Mini Excavator

Terex HR3.7 Specs

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

Terex

Overview

The Terex HR3.7 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 33 hp, operating weight of 8,047 lb, working depth of 10.44 ft, reach of 18.02 ft, capacity of 0.1 yd³ and fuel capacity of 17.2 gal. This model can be reviewed for excavation, trenching, loading, site preparation, and fleet comparison workflows. Use the full specifications table to compare the Terex HR3.7 against similar mini excavator models by power, weight, capacity, dimensions, speed, and other technical values.

Key Specifications

Operating Weight
8,046.90
lb

Net Power
32.50
hp

Max Digging Depth
10.44
ft

Reference Bucket Capacity
0.10
yd3

Full Specifications

31 specs

Dimensions

Boom/Stick Option (Hex) 1 Monobloc boom Dipperstick 1600mm

Ground Clearance 0.99 ft / 0.30 m

Height to Top of Cab 8.21 ft / 2.50 m

Max Cutting Height 14.87 ft / 4.53 m

Max Digging Depth 10.44 ft / 3.18 m

Max Loading Height 10.04 ft / 3.06 m

Max Reach Along Ground 18.02 ft / 5.49 m

Monobloc boom Dipperstick 1600mm 2

Tail Swing Radius 2.96 ft / 0.90 m

Width To Outside Of Tracks 5.91 ft / 1.80 m

Engine

Displacement 105 cu in / 1.7 L

Engine Make 2251

Engine Model S4L2

Fuel Capacity 17.20 gal / 65.1 L

Hydraulic Pump Flow Capacity 25 gal/min / 94.6 L/min

Hydraulic System Fluid Capacity 18.50 gal / 70.0 L

Hydraulic System Relief Valve Pressure 3,625 psi / 249.9 bar

Max Torque 78 lb-ft / 105 Nm

Maximum Bucket Capacity 0.30 yd³ / 0.23 m³

Minimum Bucket Capacity 82.50 yd³ / 63.08 m³

Net Power 33 hp / 24.2 kW

Number of Cylinders 4

Operating Weight 8,047 lb / 3,650 kg

Operational Voltage 12 V

Power Measured @ 2,100 rpm

Reference Bucket Capacity 0.10 yd³ / 0.08 m³

Swing Speed 10 deg

Torque Measured @ 1,500 rpm

Undercarriage

Drawbar Pull 6,975 lb / 3,164 kg

Ground Pressure 4 psi / 0.3 bar

Shoe Size 11.82 in / 300 mm

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 Terex HR3.7? +

The Terex HR3.7 has an operating weight of 8,047 lb (3,650 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 Terex HR3.7 engine? +

The Terex HR3.7 produces 33 hp (24.2 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 Terex HR3.7? +

The Terex HR3.7 has a maximum digging depth of 10.44 ft (3.18 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.

What is the maximum reach of the Terex HR3.7? +

The Terex HR3.7 has a maximum reach along the ground of 18.02 ft (5.49 m), allowing it to work effectively across wide areas without repositioning.

How does the Terex HR3.7 compare to similar Mini Excavator models? +

You can compare the Terex HR3.7 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.