Cummins Onan QG 4000 EVAP Gas Generator – 4KYFA-6747 RV Generator

The Cummins Onan QG 4000 EVAP Gas Generator (Model 4KYFA-6747) is a reliable and efficient RV generator designed for fifth wheels, travel trailers, truck campers, and motorhomes. Delivering 4,000 watts of continuous power, it has enough capacity to run a 13,500 BTU air conditioner along with a 2,000-watt base load, providing ample power for a typical RV setup. This generator meets stringent EPA Tier III evaporative emissions standards and National Park Service noise regulations, making it an environmentally friendly and quiet choice for RVers.

Featuring a microprocessor-controlled engine with digital voltage and frequency regulation, the Onan QG 4000 ensures smooth, stable power output. The generator includes safety shutdown protections against overload, overcrank, low oil, and mechanical faults and offers easy remote electric start capability. Its sound-attenuating enclosure, integrated spark-arresting muffler, and vibration isolators make operation remarkably quiet and smooth. Weighing 178 pounds and measuring 30" long by 19.7" wide by 14.4" high, it is compact and easy to install in a variety of RV applications.

Key Features

• 4,000 watts continuous power with 33.3 amps at 120 volts
• Runs 13,500 BTU air conditioners and typical RV electrical loads
• EPA Tier III evaporative emissions compliant for trailers
• Meets National Park Service noise limits; approximately 68 dB(A) at 10 ft
• Digital voltage and frequency regulation for stable power output
• Microprocessor control with shutdown protections and diagnostics
• Spark-arresting muffler and vibration isolators for quiet, smooth operation
• Remote electric start and LED status indicators
• Dimensions: 30" L x 19.7" W x 14.4" H; Weight: 178 lbs

This generator is an ideal power solution for RV owners seeking reliable, quiet, and environmentally friendly power wherever their travels take them.