Mobile Generator | 25kVA / 20kW | Diesel | 2.2L

The MDG25IF4 mobile diesel generator from Generac Mobile provides three-phase 25kVA prime power in a compact cabinet. The new cabinet design enables maximum space and transport efficiency while making the generator easy to maneuver and tow. The Final Tier 4 Isuzu engine is reliable and easy to maintain, requiring no diesel particulate filter (DPF). Standard safety features enhance safety and security on the job.

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Product Type

Mobile Diesel Generator

Generac MDG25IF4 Generator

Generac MDG25IF4 Mobile Diesel Generator is a heavy-duty, trailer-mounted generator delivering 20 kW prime power for construction, rental fleets, and emergency backup. The Generac MDG25IF4 generator is built with a fuel-efficient, EPA Tier 4 Final-compliant diesel engine, enclosed in a rugged, sound-attenuated steel housing to withstand harsh outdoor conditions. Designed for extended runtime and ease of transport, it’s ideal for job sites, disaster response, and temporary power needs.

Key Benefits of Generac MDG25IF4 Generator

  • Rugged towable design with sound-attenuated, weather-protected steel enclosure for durability and noise control.
  • Large onboard fuel tank providing long runtime for uninterrupted operation at construction sites or during outages.

Common Applications

  • Prime and standby power for construction projects, industrial facilities, outdoor events, and remote operations.
  • Emergency power for disaster recovery teams, utility maintenance crews, and rental fleet deployment.

Storage & Packaging

  • Trailer-mounted with integrated fuel tank, hitch, lifting points, and DOT-approved lighting for easy road transport.
  • EPA Tier 4 Final compliant diesel engine; UL, CSA, and ISO certified for mobile generator units.

Product Properties

Property Value
Prime Power Output 20 kW (60 Hz)
Engine Type EPA Tier 4 Final compliant diesel
Fuel Tank Capacity Integrated tank supports 24+ hours of runtime
Enclosure Sound-attenuated, weather-resistant steel housing
Mounting Trailer-mounted with hitch, lift points, and road-ready lighting
Control Panel User-friendly controls with metering and voltage selection
Dimensions Compact, road-ready footprint designed for mobility
Certifications UL, CSA, ISO, and EPA Tier 4 Final compliant

Looking for another product? Check out our MLG20IF4 19 kW mobile diesel generator. For more, visit the manufacturer’s website.

Technical Documents