Used Hobart JetEx 6D 28V DC Diesel Aircraft Ground Power Unit

Hobart JetEx 6D
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Manufacturer: Hobart
Part Number: JetEx 6D
Lead Time: Sold (but we get Hobart stock in all the time)
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The used Hobart JetEx 6D provides 28.5V DC aircraft ground power while on the ramp or hangar environment.

Performance Features

  • Low Emission Certified Engine (Tier 3)
  • New lift-off doors and removable panels provide complete access to engine, generator and control compartments
  • Corrosion free fuel tank
  • 10 hour run time for nominal loads
  • Low fuel warning and shutdown
  • Delayed stop (for turbo protection) and emergency shutdown
  • Reliable, Hobart manufactured AC rectified generator with automatic voltage build-up
  • Numbered, color-coded wiring remains traceable for the life of the unit
  • Towbar activated braking system
  • Superior voltage regulation
  • Adjustable current limiting for safe starting of any DC aircraft
  • Low noise design (less than 80 dBA)
  • 30 ft. (9 m) output cable

Engine 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 Co., Inc.
  • 12 VDC battery system
  • Electronic governor system (via the engine’s ECM)
  • Intake manifold pre-heater for cold weather starting

Engine Protection

  • Low oil pressure shutdown
  • High coolant temperature shutdown
  • Low coolant level shutdown
  • Intake air restriction indication


  • Relative Humidity: 10-95%
  • Operating Temperature: -25° F to +125° F (-31° C to + 52° C)
  • Relative humidity 0-100% non-condensing
  • No altitude derating required up to 10,000 feet, when running in normal operating range


  • 28.5 volts DC output
  • 800 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

Protective Finish

  • Preparation - Components are put through a 5 stage acid wash, rinse and sealer wash system
  • Primer Coat - Zinc rich primer which has been proven to handle 6000 hours of salt spray testing
  • Top Coat - Reliable anti-corrosive polyester powder provides excellent weather resistance, flexibility and adhesion, plus a strong resistance to chemical agents such as, diesel fuel, oils, glycol and de-icing fluids
  • Standard colors are high gloss white on sheet metal and a textured black frame and chassis


    Engine Operation
  • Meters: tachometer, coolant temperature, battery voltmeter, hour meter, oil pressure, fuel level
  • Buttons/Switches: Engine start, engine stop, engine idle/run, panel lights
  • Indicators: pre-heater, engine “ON”, air restriction
  • Generator Output
  • Meters: ammeter, voltmeter
  • Switches/Adjustments: output contactor control, current limiting
  • Indicators: output contactor closed

Unit Dimensions

  • L - 101 inches
  • W - 67 inches
  • H - 67 inches
  • Weight - 4000 lbs

Alternative Part Numbers

  • JetEx6D
  • JetEx6
  • Jet-Ex 6D
Compatible Aircraft*
ATR42, 72
AdamA500, A700
AgustaA109A, A109C, A109E, AW139 (AB139), Mark II
Airbus Military (CASA)212-100, 212-200, C-295, CN-235/HC-144A
BAeJetstream 31, Jetstream 41
Bell204, 205, 206B3, 206L4, 206LT, 212, 214, 214ST, 222, 230, 412, 427, 430, CH-139, OH-58, TH-67, UH-1, UH-1H
Bombardier (Business)C-21, Challenger 300, Challenger 350, CL-215, CL-215T, CL-415, Learjet 23, Learjet 24, Learjet 31, Learjet 31A, Learjet 35, Learjet 45, Learjet 55, Learjet 60, Learjet 70, Learjet 75
Bombardier (Regional)CRJ705, Dash 6 (Twin Otter UV-18A), Dash 7, Dash 8-100, Dash 8-200, Dash 8-300, Dash 8-400
Britten NormanIslander/Trislander
Cessna152, 172, 177, 180, 182, 185, 206, 207, 210, 310, 320, 337 Skymaster, 340, 401, 402, 404, 411, 414, 414A, 421, 421C, Bravo, Caravan 208, Caravan 208B, Caravan 406, Citation 560 XL, Citation 560 XLS, Citation 650, Citation CJ1, Citation CJ2, Citation CJ3, Citation Encore 560, Citation I 500, Citation I/SP 501, Citation II 550, Citation III, Citation IV, Citation M2, Citation SII, Citation Sovereign 680, Citation Ultra 560, Citation V, Citation VI, Citation VII, Citation X 750, Mustang 510
DassaultFalcon 10-100, Falcon 20-200, Falcon 2000, Falcon 2000EX, Falcon 50, Falcon 50EX, Falcon 7X, Falcon 900, Falcon 900EX
Diamond AircraftDA40 Diamond Star
EmbraerEMB-110, EMB-120, ERJ-135, ERJ-140, ERJ-145, Phenom 100, Phenom 300
EurocopterAS330 Puma, AS350 A-Star (High Skid Gear), AS350 A-Star (Low Skid Gear), AS355 Twin Star, AS365N Dauphin, BK-117, BO-105, HH-65A Dolphin
Fairchild/DornierDornier 228-100/200, Dornier DO328, Dornier DO328 Jet, Envoy 3, Merlin II, Metro Merlin III, Metro Merlin IV
Fokker27, 28, 50, 70
General DynamicsConvair 580, Convair 600, Convair 640
GulfstreamAero Commander, G100 (Astra SPX), G150, G200 (Galaxy), G350, G450, G500, G550, I, II, III, IV, IVSP, Turbo Commander, V, VSP
Hawker BeechcraftBeech 1900, Beech 99, Beech Baron, Beech Bonanza, Beechjet 400A, C-12, Diamond, Duke 60, Hawker 1000, HS-125 400 Series, HS-125 800 / 850 / 900 Series, King Air, Premier, Queen Air, T-1 Jayhawk, T-400, T-6A Texan II, U-21 A/G
IAIAstra, Westwind 1, Westwind 2
LockheedJetstar C-140
MitsubishiMU-2 Marquise, MU-2 Solitaire
PiaggioP-180 Avanti
PilatusPC-12, PC-9
PiperAerostar, Aztec, Cheyenne II, Cheyenne III, Chieftan, Navajo, Seneca
Sabreliner40 Series, 60 Series, 70 Series
Shorts330, 360
SikorskyCH-148, H-92 Superhawk, S-61, S-65 (CH53, HH53, MH53, Sea Stallion), S-76 (AUH-76), S-92
Sino SwearingenSJ30-2
*This list is for general reference only and may not be entirely acurate for all aircraft. Please confirm all equipment meets the requirements of your aircraft with the owners/maintenance manuals prior to purchasing or using with your aircraft.