Mobile Generator | 45kVA / 38kW | Diesel | 2.2L

The Generac Mobile MMG45IF4 delivers a lot of power in an innovative, easy-to-use, and easy-to-maintain compact package. The unit was specifically designed with a cabinet that has the features customers want to be as maintenance-free and easy to use as possible. And it’s supported by a Tier 4 engine with a long run time and the ability to easily select the power output needed. All of this is encapsulated in a sound-attenuated, rust-proof, aluminum enclosure so you can use the unit anywhere power is needed – at an event or on the job.

Categories: ,
Product Type

Mobile Diesel Generator

Mobile Diesel Generator for Reliable Industrial Power

The Generac MMG45IF4 mobile diesel generator delivers dependable 38kW prime output, engineered to meet the demands of construction sites, industrial operations, and event power needs. Designed for performance and reliability, this mobile diesel generator ensures long runtimes of up to 27 hours, low maintenance operation, and exceptional durability with its EPA Tier IV turbocharged, after-cooled diesel engine. The rugged, rust-proof aluminum enclosure offers superior sound attenuation (65dB(A)) and withstands demanding environments, making it ideal for on-the-go power solutions.

Key Benefits of the Mobile Diesel Generator

  • 38kW prime output with reliable Isuzu® 4LE2XAGV01 diesel engine for industrial-grade performance.
  • Rugged aluminum sound-attenuated enclosure with 65dB(A) quiet operation for sensitive environments.
  • Long runtime up to 27 hours on a single fueling cycle for extended operations.
  • Deep Sea® DSE7310 controller with intuitive interface and flexible programmable options.
  • 3-position selector switch for power flexibility, adaptable to multiple load conditions.
  • Compact, towable design ensures easy transport and deployment across multiple sites.

Applications for the Generac MMG45IF4

  • Construction and remote job sites requiring steady, portable power.
  • Outdoor events or entertainment venues needing quiet, long-duration energy.
  • Emergency backup scenarios for commercial or industrial facilities.

Packaging and Performance

This Generac MMG45IF4 mobile diesel generator comes enclosed in a corrosion-resistant, sound-attenuated aluminum cabinet for protection and quieter operation. It features a central lifting point, lockable controls, and safety systems like a lockable lug box and emergency stop switch. With its deep Sea® controller and intuitive status display, it streamlines monitoring and deployment for operators.

Product Properties

Property Value
Prime Output 38kW (45kVA)
Engine Isuzu® 4LE2XAGV01
Run Time @ 75% Load 27 hours
Enclosure Rust-proof, sound-attenuated aluminum (65dB(A))
Controller Deep Sea® DSE7310

Looking for other mobile power solutions? Check out our Generac MDG25IF4 Generator for lighter-duty applications, or visit Generac’s official site for full product support.

Technical Documents