Generators · Make & Model reference
Generac MDG25
Extremely popular for smaller job sites and events.
Operating weight
3,100 lbs
Horsepower
n/a
Fuel burn
1.3 - 1.8 gph (at 75%-100% load)
Years produced
2019 - present
AI-updated · Last refresh 7/19/2026
Full specifications
Prime Power (kW)20 kW
Standby Power (kW)25 kW
EngineKubota V2203
Fuel Tank Capacity50 gal
Run Time @ 75% Load38 hours
Shipping dimensions
Length8 ft 0 in
Width3 ft 8 in
Height5 ft 0 in
Weight3,100 lbs
Use these for permit routing and lowboy selection.
Recent auction history
| Year range | Hours | Avg | Low | High |
|---|---|---|---|---|
| 2021-2023 | 300-1,000 | $18,000 | $15,000 | $22,000 |
AI price estimate
Excellent, low hours
2022 model year
$21,000
Good, average hours
2020 model year
$17,000
Fair, higher hours
2019 model year
$14,000
Common problems to check
- Minor fuel system clogs if fuel not filtered
- Control panel sometimes freezes
- Battery life can be short without regular charging
Why buyers pick it
- Compact and portable design
- Good fuel economy for its power
- Quiet operation
Best jobs for this machine
Small construction sitesRental fleetsResidential backup power
Generac MDG25 for sale on Equip Place
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