Onan QG 4000 Gasoline RV Generator with 30A breaker A055E867

✅ Onan QG 4000 – Gasoline RV Generator with 30A Breaker (Model A055E867)

Product Description

The Cummins Onan QG 4000 (Model A055E867) is a 4,000-watt gasoline-powered generator, purpose-built for Class C and smaller Class A RVs, trailers, and camper vans. Renowned for its quiet operation and reliability, the QG 4000 provides dependable power for RV air conditioners, microwaves, TVs, and other on-board electronics.

This model includes a built-in 30A circuit breaker, making it easy to integrate with standard RV electrical systems. Its compact design and single-side serviceability make it an RV industry favorite for both OEM and replacement installations.

Whether you’re boondocking off-grid or just want extra power on the go, the Onan QG 4000 is a robust, EPA/CARB-compliant solution with smooth performance and low vibration.

🔧 Key Features

• 4,000 watts continuous output

• Gasoline-powered – runs directly off the RV’s fuel tank (with fuel pump)

• Quiet operation – one of the quietest in its class at 68 dBA @ 10 ft

• Air-cooled, single-cylinder engine with low vibration design

• Built-in 30A breaker for easy RV connection

• Microprocessor control with diagnostics and safety shutdowns

• Single-side service – for easier access and maintenance

• Fully enclosed, USDA Forest Service-approved spark-arrestor muffler

• EVAP-compliant (EPA & CARB-certified) – approved for use in all 50 states

📊 Technical Specifications

🛠️ Ideal For

• Class C motorhomes

• Small to mid-sized Class A RVs

• Travel trailers & toy haulers

• RVs with rooftop A/C units (up to 13,500–15,000 BTU)

• RVers looking for reliable, compact, gasoline-powered generator solutions