Cummins Onan QG 5500 EFI RV Generator

Cummins Onan QG 5500 EFI RV Generator – 5.5kW, Gasoline, Quiet & High-Performance (Model: 5.5HGJAA-1273)

The Cummins Onan QG 5500 EFI RV Generator (5.5HGJAA-1273) is a powerful, fuel-efficient, and ultra-quiet gasoline-powered generator designed for motorhomes, travel trailers, and fifth wheels. Featuring Electronic Fuel Injection (EFI), this industry-leading generator ensures maximum performance, enhanced fuel efficiency, and reliable starts in all weather conditions.

With 5,500W of continuous power, it can run two 13,500 BTU air conditioners with a 2,500W base load, making it an ideal power source for large RVs and extended off-grid adventures. The quietest generator in its class, the QG 5500 provides low-vibration operation, reducing noise and enhancing overall comfort.

Key Features

• Electronic Fuel Injection (EFI) – Optimizes fuel efficiency, enhances cold starts, and improves overall performance.

• 5,500W Continuous Power – Powers two 13,500 BTU RV air conditioners with additional capacity.

• Dual 30A Circuit Breakers – Allows for balanced load distribution.

• Quietest Generator in Its Class – Engineered for low noise and minimal vibration.

• Integrated Enclosure with Enclosed Muffler – Reduces sound output and simplifies installation.

• Self-Diagnostic Capability – Easier troubleshooting and maintenance.

• Digital Voltage Regulation – Ensures stable power for sensitive electronics and varying appliance loads.

• EPA & CARB Compliant – National Park Approved for use in all 50 states.

• Vibration Isolators – Reduces generator movement and excessive noise.

• 3-Year Limited Warranty & Lifetime Drive Warranty – Backed by Cummins reliability.

Technical Specifications

• Fuel Type: Gasoline

• Peak & Running Watts: 5,500W

• Voltage: 120V Single-Phase

• Amperage: 45.8A @ 120V

• Circuit Breakers: 2 x 30A

• Frequency: 60Hz

• Power Factor: 1.0

• Alternator Type: Brush

• Voltage Regulation: 0.6% Digital

• Frequency Regulation: <2%

• Cooling System: Air-Cooled

• Insulation Class: H

• Weight: 288 lbs (Operating) / 338 lbs (Shipping)

• Dimensions (W x L x H): 22.2" x 33.6" x 16.7"

• Battery for Electric Start: Not Included

Important Notes:

• EFI Fuel Pump Kit (0541-1002) Required – This must be installed on motorized RV chassis that can handle fuel return and evaporative emissions.

• Cannot Retrofit Older Fuel Tanks – Due to emission regulations, a return port cannot be added to non-EFI fuel tanks.

What’s Included?

• Cummins Onan QG 5500 EFI RV Generator (5.5HGJAA-1273)

• Integrated Muffler & Sound Enclosure

• Dual 30A Circuit Breakers

• User Manual, Specification Sheet & Installation Guide

Ideal For:

• RV Owners & Motorhome Travelers – Powers multiple appliances and air conditioners effortlessly.

• Eco-Conscious Users – Meets CARB, EPA, and National Park Service sound regulations.

• Full-Time RV Living & Boondocking – EFI technology maximizes fuel efficiency and reliability.

The Cummins Onan QG 5500 EFI Generator is a top-tier, ultra-quiet RV generator, delivering efficient, stable, and reliable power for all your road trip needs.