Crawler Dozers · Make & Model reference
Komatsu D21A-7
A very popular compact dozer in its day, highly valued for small jobs. Parts are still generally available.
Operating weight
8,800 lbs
Horsepower
40 hp
Fuel burn
0.8 - 1.2 gph
Years produced
1994 - 2004
AI-updated · Last refresh 7/19/2026
Full specifications
Blade capacity0.98 cu yd
Max drawbar pull13,600 lbs
Ground pressure4.9 psi
TransmissionHydrostatic
Shipping dimensions
Length11 ft 8 in
Width5 ft 8 in
Height7 ft 2 in
Weight8,800 lbs
Use these for permit routing and lowboy selection.
Recent auction history
| Year range | Hours | Avg | Low | High |
|---|---|---|---|---|
| 2018-2022 | 3,000-6,000 | $25,000 | $18,000 | $35,000 |
| 2013-2017 | 6,000-9,000 | $18,000 | $12,000 | $25,000 |
AI price estimate
Good, avg hours
2002 model year
$30,000
Fair, high hours
1998 model year
$20,000
Poor, very high hours
1995 model year
$10,000
Common problems to check
- Cracked exhaust manifolds
- Hydraulic pump wear
- Electrical wiring corrosion
- Undercarriage worn out
Why buyers pick it
- Compact size for tight spaces
- Simple and easy to maintain
- Good fuel economy
- Reliable legacy engine
Best jobs for this machine
Residential landscapingLight site clearingBackfilling
Komatsu D21A-7 for sale on Equip Place
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