Kubota · Mini Excavator

Kubota KX040-4GA Specs

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

Kubota

Overview

The Kubota KX040-4GA 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 39 hp, operating weight of 9,017 lb, working depth of 11.23 ft, travel speed of 3.1 mph, fuel capacity of 17.0 gal and hydraulic 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 Kubota KX040-4GA against similar mini excavator models by power, weight, capacity, dimensions, speed, and other technical values.

Key Specifications

Operating Weight
9,017
lb

Net Power
38.90
hp

Gross Power
40.40
hp

Max Digging Depth
11.23
ft

Full Specifications

36 specs

Dimensions

Ground Clearance 1.09 ft / 0.33 m

Height 97.84 in / 2,485 mm

Height to Top of Cab 8.16 ft / 2.49 m

Length of Track on Ground 16.69 ft / 5.09 m

Max Digging Depth 11.23 ft / 3.42 m

Max Digging Height 17.51 ft / 5.34 m

Max Vertical Wall Digging Depth 7.40 ft / 2.26 m

Max. Breakout Force Bucket 9,535 lb / 4,325 kg

Max. Breakoutarm 4,112 lb / 1,865 kg

Max.Dumping Height 12.77 ft / 3.89 m

Mximum Dig Radius 213 ft / 64.92 m

Shoe Width 1.15 ft / 0.35 m

Tail Swing Radius 4.27 ft / 1.30 m

Engine

Angle Blade Height 15.20 ft / 4.63 m

Angle Blade Swing Angle 25 deg

Angle Blade Width 67 in / 1,702 mm

Displacement 111 cu in / 1.8 L

Engine Model D1803-CR-TE4

Epa 4

Fuel Capacity 17 gal / 64.4 L

Gross Power 40 hp / 30.1 kW

Height 13.80 ft / 4.21 m

Hydraulic Pump Flow Capacity 6.50 gal/min / 24.6 L/min

Hydraulic System Fluid Capacity 17.20 gal / 65.1 L

Max. Traction Force-Low Speed 9,747 lb / 4,421 kg

Maximum Drop Below Ground 1.40 ft / 0.43 m

Maximum Lift Above Ground 1.40 in / 36 mm

Model Name KX040-4GA

Net Power 39 hp / 29.0 kW

Number of Cylinders 3

Operating Weight 9,017 lb / 4,090 kg

Power Measured @ 2,200 rpm

Swing Speed 9.20 deg

Width 5.60 ft / 1.71 m

Undercarriage

Ground Pressure 4 psi / 0.3 bar

Max Travel Speed 3.10 mph / 5.0 km/h

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 Kubota KX040-4GA? +

The Kubota KX040-4GA has an operating weight of 9,017 lb (4,090 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 Kubota KX040-4GA engine? +

The Kubota KX040-4GA produces 40 hp (30.1 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 Kubota KX040-4GA? +

The Kubota KX040-4GA has a maximum digging depth of 11.23 ft (3.42 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.

What is the travel speed of the Kubota KX040-4GA? +

The Kubota KX040-4GA has a maximum travel speed of 3.1 mph (5.0 km/h), enabling efficient movement between work areas on the job site.

How does the Kubota KX040-4GA compare to similar Mini Excavator models? +

You can compare the Kubota KX040-4GA 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.