JetEx 6D 28.5 VDC Tier 3


The Hobart JetEx 6D is a 28.5 VDC Diesel ground power unit that is capable of 600 Amp continuous and 2000 Amp on Start. The JetEx 6D is powered by a Cummins Tier 3 Diesel engine coupled to a Hobart Generator. Hobart Generators are the benchmark of quality and reliability giving users the best power quality without sacrificing durability. Simple easy to use control panel with illuminated analog gauges and back lit push buttons allows for easy operation under all conditions. Lift-off doors and removable panels allows for complete access to the engine, generator and control compartments.  Tier 3 units are only for use Outside the United States of America.


Contact Information

Product Attributes


One of the checkboxes is required

Low Fuel Beacon:

One of the checkboxes is required

Block Heater:

One of the checkboxes is required

Operating light(shows unit is in operation):

One of the checkboxes is required

Battery Blanket:

One of the checkboxes is required

Notes and/or comments

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  • Features & Options
  • Specifications
  • Data Sheet


  • Corrosion free fuel tank
  • 10 hour run time for nominal loads
  • Low fuel warning and shutdown
  • Delayed stop (for turbo protection) and emergency shutdown
  • Numbered, color-coded wiring remains traceable for the life of the unit
  • Tow bar activated braking system
  • Adjustable current limiting for safe starting of any DC aircraft
  • Low noise design (less than 80 dBA)
  • 5th wheel steering
  • MIL-STD-704 & ISO 6858
  • Machinery Directive
  • Low Voltage Directive
  • EMC Directive


  • Unit operating light – amber
  • Low fuel beacon – blue
  • Clearance lights
  • Block heaters & battery blanket
  • CE Marking/Certification
  • Cable tray rollers
  • Tie down rings
  • Forklift pockets


See Data Sheet for all Specifications.
  • Cummins QSB4.5 diesel engine operating at 1800 RPM
  • Turbocharged 4-stroke, inline 4 cylinder common rail fuel system
  • Full application approval by Cummins Engine
  • 12 VDC battery system
  • Electronic governor system (via the engine’ s ECM)
  • Intake manifold pre-heater for cold weather starting
  • Relative Humidity: 10-95%, non-condensing
  • Operating Temperature: -31° C to + 52° C (-25° F to +125°F)
  • No altitude derating required up to 10,000 feet when running in normal operating range.
  • 28.5 volts DC output
  • 600 amperes continuous rating at 28.5 VDC
  • 2,000 amperes available for aircraft engine starting
  • Current limiting adjustable from 300 to 2,000 amperes
  • Line drop compensation assures proper voltage at aircraft plug
  • Dimensions: Kindly refer to outline drawings in the data sheet
  • Weight: 4,000 lbs. (Mobile), 3,700 lbs. (Fixed)
  • Dimensions 101” L X 67” W X 66” H

Data Sheet