Tronair 112820CT3 / 112820C1T3 28.5 VDC Cummins Diesel GPU

Item Superseded
This item has been discontinued or is no longer available.

It has been replaced by Tronair 11-2820-0000 (Qty 1)

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The Tronair 112820CT3, 112820C1T3, 112820CS1T3, and 112820CST3 are 28.5 VDC diesel aircraft ground power units with a Cummins Tier 3 diesel engine.

Standard Features

  • Cable head sensing output voltage drop compensation ensures full power is provided to aircraft
  • Automatic engine speed control ensures no droop of engine speed
  • Cable head sensing interlock circuit
  • Tier 3 Engine - Cummins Tier 3 QSB electronic engine with full-authority electronic controls over the performance of the engine
  • Tier 3 Engine - 120vac plug-in coolant heater and automatic intake air grid heater for cold starts
  • Tier 3 Engine - 110 HP A 1800 rpm for low fuel consumption
  • Large engine digital display and diagnostics module
  • Reduced noise levels via 2” sound insulating foam
  • Six phase alternator and rectifier for ultra low DC output ripple
  • Alternator excitation test switch for easy troubleshooting
  • High efficiency single bearing alternator
  • Adjustable peak output current limiting control
  • Low coolant shut down system
  • Durable, compact, maneuverable, trailer mounted unit
  • Low fuel warning lamp
  • Large 35 gallon fuel tank for 12+ hours of use
  • Large cable trays for easy cable stowage
  • 30 ft (9.1 m) DC output cable
  • Hand actuated rear drum brakes
  • Fifth wheel steering
  • Large access doors
  • Fire Extinguisher
  • Galvanized sheet metal to prevent corrosion
  • Weather resistant steel canopy
  • CE marked
  • Finish: Durable Powder Coat Tronair Blue

Additional Features

  • 112820C1T3 - Running Lights, No fuel shut-off
  • 112820CST3 - Skid mounted with fuel tank, suitable for fixed or truck mounted applications
  • 112820CS1T3 - Running Lights, No fuel shut-off, Skid mounted with fuel tank, suitable for fixed or truck mounted applications

Specifications
Continuous800 Amps
EngineCummins Tier 3 QSB
FuelDiesel
Height61 (155) in (cm)
Length96.5 (25.5) in (cm)
Peak2000 Amps
Weight2900 (1315) lb (gk)
Width66.25 (168) in (cm)

You Ask. We Help. Your FAQs for the Tronair 28V Diesel GPU.

MIL-PRF-704 (Mil Specs) - Does it meet this?
Yes, the unit was designed using this standard

Do they have a specific standard or meet any other specs?
CE compliant

Voltage Regulation - +/- - What is the specs for this?
Voltage regulation +/-1% in steady state normal operation, MIL-STD-704

Alternator - Overload Setting - What is the overload parameters?
Current overload >2100 amps - main contactor drops out

1800 RPM for low fuel consumption...does have it low/high RPM operating parameter...or does it always run at 1800 RPM
Running mode is 1800 rpm

What is RPM running idle with nothing connected and what is the RPM while under load?
Idle speed is 850 rpm (112820CT3), 1800 rpm running

Alternate Models
112820CPrevious Part Number
282000CPrevious Part Number
General Information
Part #112820CT3
ManufacturerTronair
Shipping Information
Freight NMFC133300
Schedule B9032810080
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