Aggregate Equipment · Make & Model reference
Komatsu HM300-5
A staple in the 30-ton ADT class.
Operating weight
52,246 lbs
Horsepower
325 hp
Fuel burn
5.0 - 10.0 gph
Years produced
2016 - present
AI-updated · Last refresh 7/19/2026
Full specifications
Heaped capacity18.3 yd³
Rated payload30.9 US tons
Max speed36.4 mph
Body dump angle70 degrees
Shipping dimensions
Length33.5 ft
Width10.0 ft
Height11.17 ft
Weight52,246 lbs
Use these for permit routing and lowboy selection.
Recent auction history
| Year range | Hours | Avg | Low | High |
|---|---|---|---|---|
| 2020-2023 | 1,000-3,000 | $290,000 | $250,000 | $340,000 |
| 2016-2019 | 3,500-6,000 | $220,000 | $180,000 | $260,000 |
AI price estimate
Excellent, low hours
2022 model year
$320,000
Good, avg hours
2019 model year
$235,000
Fair, high hours
2017 model year
$190,000
Common problems to check
- Tailgate latch issues
- Suspension maintenance required
Why buyers pick it
- Excellent gradeability
- Comfortable ride (hydro-pneumatic suspension)
- Reliable Komatsu engine
- Good maneuverability
Best jobs for this machine
Medium-sized quarryEarthmoving projectsRoad constructionWaste hauling
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