Aggregate Equipment · Make & Model reference
Kubota KX040-4
A very popular and versatile mid-sized mini excavator. Check for proper functioning of the auto-idle and auto-shift modes.
Operating weight
9,940 lbs
Horsepower
40.4 hp
Fuel burn
0.8 - 1.2 gph
Years produced
2014 - 2022
AI-updated · Last refresh 7/19/2026
Full specifications
Max Digging Depth11 ft 2 in
Max Reach at Ground Level18 ft 4 in
Bucket Digging Force8,466 lbs
Auxiliary Flow15.8 GPM
Shipping dimensions
Length17 ft 2 in
Width5 ft 8 in
Height8 ft 2 in
Weight9,940 lbs
Use these for permit routing and lowboy selection.
Recent auction history
| Year range | Hours | Avg | Low | High |
|---|---|---|---|---|
| 2020-2022 | 800-2,000 | $48,000 | $42,000 | $55,000 |
| 2016-2019 | 2,000-3,500 | $38,000 | $30,000 | $45,000 |
AI price estimate
Excellent, low hours
2021 model year
$52,000
Good, avg hours
2018 model year
$40,000
Fair, high hours
2015 model year
$30,000
Common problems to check
- DPF issues if idled excessively
- Track tensioner failures
- Hydraulic hose chafing if not routed properly
Why buyers pick it
- Smooth and precise hydraulics
- Good fuel efficiency
- Comfortable cab
- Easy to transport on a trailer
Best jobs for this machine
General excavationUtility trenchingSeptic system installationFoundation work
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