Tronair 11-2820-0000 28.5 V DC Diesel GPU - 600 amps continuous / 2000 amps max starting - Tier 4

On Order
Ships around August 25
CofC and 8130 available at no cost
Worldwide shipping available
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The Tronair 11-2820-0000 is a Tier 4 (IV) diesel engine ground power unit with new cutting-edge electronic controls. This unit produces 600 amps continuous and 2000 amps max for starting. The Current Limit (Soft Start) feature allows the user to select current limits for operations requiring a current limit below the maximum output.

The GPU must run on ultra-low sulfur Diesel Fuel only! The fuel filter is a disposable spin-on type and must be changed every 500 hours of running time.


  • Powered by the award winning Doosan Tier 4f electronic engine with full-authority electronic controls for more precise control over the performance of the engine
  • Extended service intervals using extended service filters and lubricants, up to 500 hours between scheduled service
  • Engine operates with Ultra-low Sulphur Diesel fuel
  • Fuel/water separator with water-in-fuel sensor and electronic indication
  • Large 35 gallon, high density cross-linked polyethylene fuel tank for 26 + hours of use
  • Low fuel warning and no fuel shutdown system
  • Shut down on low oil pressure and high engine temperature commonly seen listed as (LOP/HET protection)
  • 12 volt control and starting circuitry for easy cold weather starting
  • Automated glow plug control for cold weather starting
  • Large engine Digital Display and Diagnostics module (DDD), this is a multi-function tool to view engine parameters and fault codes
  • Automatic 60 second power off delay engine shutdown for turbo protection
  • 3 year engine warranty
  • Powerful 38kw, six phase alternator, rectifier and ripple filter for ultra low DC output ripple
  • Maintenance free, long life single bearing
  • Automatic voltage build-up and protection
  • Adjustable peak output current limiting control, 2,000 amp peak, 600 amp continuous output
  • Cable head voltage sensing and output voltage drop compensation system ensures full power is provided to aircraft
  • Aircraft cable head interlock circuit
  • Wiring and color code in accordance with CE, NFPA and NEC
  • 30 ft (9.1 m) DC output cable
  • Durable, compact, maneuverable, trailer mounted unit with fifth wheel steering
  • Front wheel scrub brake for simplicity
  • Weather resistant powder coated sheet metal to prevent corrosion
  • Corner lights and stack light
  • Large cable trays for easy cable stowage
  • Finish: Durable Powder Coat Tronair Blue

Engine Specifications

  • Doosan D24: 2.4 Liter turbocharged after cooled, 4 cylinder, 4 stroke diesel engine
  • Horsepower: 68 hp (51 KW) at 1800 rpm
  • Electrical System: 12 volt, negative ground
  • Capacities
    • Lubricating oil: 2.4 gal (9.2 liters)
    • w/filter - Coolant: 1 gal (3.7 liters)

Alternator Specifications

  • Marathon: Magna Plus 361PSL3161
  • Output Voltage: 21 volts AC, 6 phase
  • Output Power: 38 KW
    • Power Factor: 0.8
    • Ambient Temp C: 40
    • Temperature Rise C: 80
    • Speed: 1800 RPM
    • Frequency: 60HZ
    • Excitation: Externally regulated 66 volts DC, 4 amps
    • Insulation: Class F
    • Single Bearing: Sealed, pre-lubricated


  • Length: 96.5 inches (25.5 cm)
  • Width: 66.25 inches (168 cm)
  • Height: 61 inches (155 cm)
  • Weight: 2900 lbs (1315 kg)
General Information
Part #11-2820-0000
Shipping Information
Shipping Weight4075 lbs.
Shipping Dimensions115 x 77 x 83 in.
Schedule B9032810080
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