Used JTL28D2 28V DC Aircraft Diesel GPU

Manufacturer: Jetall
Part Number: JTL28D2
Lead Time: Sold (but we get Jetall stock in all the time)
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The Jetall 28V DC diesel GPU is an aircraft ground power unit (GPU) that can supply up to 800 amps continuous and 2200 amps max for starting.


  • Perkins, diesel 1104 series, 4 cylinders, 100BHP
  • Compliance with EPA, Tier 3 regulations
  • 12 VDC battery system
  • Low oil pressure shutdown
  • Intake air restriction indication
  • Electronic governor system
  • Automatic cold weather start assists system


  • Rating: 25 kW at 0.8 PF, adjustable ± 10-15 %
  • 3 phase, 4 wire wye connected, grounded neutral, revolving field, brushless, self-cooling, single bearing rectifier assembly, insulation class H
  • Output: 28.5 volt DC, 800 amps continuous ,200 amps momentary


  • 1,200 amp rated load for 30 seconds


  • Voltage regulation: ±0.5% no load to full load


  • Over-voltage: 32 volts disconnect in 5 seconds
  • Under-voltage: disconnects below 22.1 volts in 7 seconds
  • Current limiting adjustable 300 amps and up
  • Line drop compensation assures proper voltage at aircraft connection


  • Weight: 1,280 kg (2,820 lbs.)
  • Width: 163 cm (63”)
  • Height: 153 cm (57”)
  • Length: 264 cm (103”) tow bar up