4400 60/90kVA 115/200 VAC 400Hz Tier 3


The Hobart 4400 is a mobile diesel-driven 400 Hz 115/200V Ground Power Unit. The 4400 Series is powered by a Cummins QSB4.5 Tier 3diesel engine coupled to Hobart generator. The Cummins Tier 3 Engine is Calibrated to meet the latest Tier 3 standards. A Sliding canopy  made of durable lightweight Polyethylene provides easy access to the engine, generator and control compartments. With the new easy to use color digital display allows the operator to scroll through data at the push of button. USB connectivity allows the user to download software updates in the field and allows for easy troubleshooting. The Hobart 4400 is available in 60kVA and 90kVA versions with the optional 28.5 VDC Module and dual 400Hz  outputs.


Contact Information

Product Attributes


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Operating light (shows unit is in operation):

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Low Fuel Beacon:

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Block Heater:

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Battery Blanket:

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Notes and/or comments

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  • Features & Options
  • Data Sheet


•Hobart designed and
manufactured generator
• Hobart user interface
• Fifth wheel steering
• No load shut down
• 53 gallon fuel tank (200 L) with at least
8 hrs. run time at max full load
• Fork lift pockets
• Tow bar with parking brake
• Sliding canopy for ease of access


• 28.5 VDC Active rectifier (simultaneous
operation with 400 Hz), 600 amps
continuous, 2000 amps peak
• Unit operating beacon
• Low fuel beacon
• Clearance lights
• Block heater
• Battery blanket
• Second 400 Hz output
• DIN40 towing eye
• Military Interlock
• Towbar Interlock
• Tie down rings

Data Sheet

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