Excavators · Make & Model reference
Caterpillar 304 Mini Excavator
A step up from the smallest minis, offering more power and stability while remaining highly maneuverable.
Operating weight
9,300 lbs
Horsepower
42 hp
Fuel burn
0.7 - 1.0 gph
Years produced
2020 - present
AI-updated · Last refresh 7/19/2026
Full specifications
Max digging depth10 ft 8 in
Max reach at ground level17 ft 2 in
Retractable undercarriageOptional
Bucket capacity2.8 cu ft
Shipping dimensions
Length16 ft
Width6 ft 5 in
Height8 ft 3 in
Weight9,300 lbs
Use these for permit routing and lowboy selection.
Recent auction history
| Year range | Hours | Avg | Low | High |
|---|---|---|---|---|
| 2022-2023 | 300-1,000 | $55,000 | $48,000 | $62,000 |
| 2020-2021 | 1,000-2,000 | $48,000 | $42,000 | $55,000 |
AI price estimate
Excellent, low hours
2022 model year
$58,000
Good, avg hours
2021 model year
$50,000
Fair, high hours
2020 model year
$44,000
Common problems to check
- DPF system cleaning cycles
- Seat sensor issues
- Blade cylinder leaks
Why buyers pick it
- Powerful for its class
- Compact radius
- Comfortable, quiet cab
- Easy to transport
Best jobs for this machine
Utility trenchingResidential constructionLandscapingGeneral light-duty excavation
Caterpillar 304 Mini Excavator for sale on Equip Place
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