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Model # 2.5HGJBB- 1121A
MSRP: $2,773.00
Every Day Price: $2,485.00
Every Day Price: $2,485.00
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Avg. Product Review Rating: 5.0/5 (based on 1 reviews - read reviews) Write a Review - $10 Store Credit

Cummins Onan QG 2500 Propane LP RV Generator

  • Microprocessor control with diagnostics and lightweight, compact design
  • Gasoline or LP fueled
  • Quietest generator sets of their size
  • Easy maintenance with single-side service
  • Completely enclosed with muffler, easy to install
  • 3-year limited warranty
  • Low fuel consumption


Onan RV 2.5HGJBB-1121A Details and Specifications

Cummins Onan QG Propane (LPV) powered 2500 watt RV generator. Perfect for travel trailers, truck campers, and folding camping trailers.  Runs one air conditioner with power to spare.  Lightweight, compact, and easy to install.  Easy maintenance with single-side service.  Quietest generator set of its size.


  • Microprocessor control with diagnostics and lightweight, compact design.
  • Gasoline or LP fueled.
  • Quietest generator sets of their size.
  • Easy maintenance with single-side service.
  • Completely enclosed with muffler, quick and easy to install.
  • 3-year limited warranty.
  • Low fuel consumption.
  • 2.5kW QG RV generator set will start and run one 13500 Btu high efficiency air conditioner (15.5 amps or less) plus 600 watt base load with an additional 300 watts of power available.


Product Specifications

Model Number 2.5HGJBB-1121A
Manufacturer Onan
Made In USA Yes
Rated Watts 2500
Rated Amps 20.8
Voltage 120V Single Phase
A/C Ton Rating Up to 13,500 Btu AC
Decibel Rating 70 dB(A) @ 10 ft. half load
Starting System Electric Start
Low Oil Alert Yes
Mainline Breaker 25 Amps
Product Weight 125 lbs
Dimensions (Inches) 22L x 16.3W x 12.8H
Engine Brand EX21
Engine RPM 3600 RPM
Cooling System Air Cooled
Alternator Type Brushed
Frequency 60 Hz
Auto Voltage Regulation Yes
Fuel Type Propane (LP)
Fuel Tank Size Customer Supplied
Run Time (50% Load) 0.4 gal/hr (1.6 lb/hr)
Warranty Information
Consumer Warranty 3 Year Limited
Shipping Weight 175 lbs
Shipping Dimensions 17H x 48W x 40D
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Product Reviews

  1. Great Product

    Posted by Bill on 21st Nov 2014

    Does the job I bought it for.

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Shipping Terms

All generators include 24 hour delivery notification and residential delivery. Liftgate service is available on all air-cooled generators and some liquid cooled units – Please call for verification. Free Shipping is curbside service only. Curbside service means the freight company will deliver to your address and lower your generator to the ground. The freight company will not back down driveways, place a generator in a building or where it is being installed. You are responsible for arranging the movement and setting of the generator.

Some restrictions apply to "Free Shipping" you may either view our
Shipping Information page or contact us for details.