Cummins Onan

Commercial QG 6500 LP

Cummins Onan Commercial Generator

Commercial QG 6500 LP

  • Integrated hydraulic pump option
  • Quietest and lowest vibration generator set in its class
  • Integrated housing design
  • Enclosed muffler for ease of installation
  • Self-diagnostic capability to simplify troubleshooting
  • Runs two ACs with power to spare
  • Digital regulation for voltage stability as loads change
  • 2-year limited warranty, 5-year drive warranty
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Standard Features

  • Mechanical governor adjustable from service side
  • Cummins Onan OHV engine
  • Pressurized Thru Flow cooling system
  • 4-point mounting system with coil spring vibration isolators
  • Universal mounting tray with structural capability to support the generator set in commercial mobile applications
  • Integral USDA Forest Service-approved spark-arrestor muffler
  • Integral control box
  • Instant one-touch stop switch
  • Electronic ignition
  • Self diagnostic capability
  • Hour meter
  • Battery charging – 5 A
  • Remote disable/continuous stop
  • Start and run without AC output – engine run only
  • Enclosed muffler provides noise reduction and ease of installation
  • Sound-attenuated housing
  • Waterproof remote connector
  • Heavy-duty solenoid shift starter
  • Fuel filter
  • Spin-on, full-flow oil filter
  • Low oil pressure protection
  • Over/under speed protection
  • Low power factor field overcurrent protection
  • Digital voltage regulation
  • Hydraulic pump standard on some models
  • 10 ft generator set output lead

Weight, Size & Sound Levels

Weight: 290 lb (132 kg), wet

Size: Length 33.6 in (853 mm), width 22.2 in (563 mm), height 16.7 in (425 mm)

Sound: 70 dB(A) at 10 ft (3 m), typical installation, full load

Model Ratings

Models Fuel Hz Watts Voltage Amps PF Phase Circuit Breaker
6.5HGJAE-2145 LP Vapor 60 6500 120/240 27.1 1.0 1 2 pole, 30 A
6.5HGJAE-3554 LP Vapor 60 6500 120 54.0 1.0 1 2 pole, 30 A

pdf image Specification sheet   pdf image Operator manual   pdf image Service diagram

- All 60 Hz models operate at 2880 r/min.
- Ratings apply up to 3000 ft (914 m) altitude, 85° F (29.4° C)
- Derating: Power output will decrease 3.5% for each 1000 ft (305 m) above 3000 ft (914 m), temperature derate not required for ambient temperatures under 120° F (49.2° C).
- Ratings are at intermittent power output. Continuous ratings are 90% of intermittent.


The Cummins Onan limited warranty covers virtually everything except routine maintenance for the first two years that you own your generator set, or the first 2,000 hours of operation, whichever comes first. In addition, it includes a free 90-day adjustment policy, which provides that Cummins Inc. will make minor adjustments to your new generator set during the first three months you own it – free of charge!

pdf image manufacturer's limited warranty