Cummins Onan QG 4000 RV Generator 4KYFA-6747 – 4000 Watt Quiet

This new Cummins Onan QG 4000 RV generator (4KYFA-6747) is a reliable onboard gasoline generator designed specifically for RVs that require dependable power with compact size, quiet performance, and efficient operation. Ideal for light to medium RV applications, this generator delivers 4000 watts of consistent power while maintaining a low 68 dB sound level, making it one of the quietest generators in its class.

Built with a durable single-cylinder 4-cycle OHV engine, the QG 4000 provides smooth operation, efficient fuel consumption, and long-term reliability. The generator features microprocessor control with integrated diagnostics, sealed electrical connectors, and an enclosed muffler to minimize vibration and noise. Its compact and lightweight design allows it to fit RV installations where space and weight are critical.

This unit includes electric and remote start capability, automatic choke operation, and an automatic low oil shutdown system to protect the engine during operation. The fully enclosed housing improves durability while simplifying service access.

Key Specifications

• Manufacturer Part Number: 4KYFA-6747

• Brand: Cummins Onan Power Generation

• Type: On-Board RV Generator

• Fuel Type: Gasoline

• AC Running Watts: 4000 Watts

• Rated Voltage: 120 Volt

• Max AC Current: 33.3 Amp

• Frequency: 60 Hertz

• Phase: Single Phase

• Engine Type: Single Cylinder, 4-Stroke, OHV, Air-Cooled

• Engine Displacement: 304 CC

• Maximum Engine Speed: 3600 RPM

• Starting System: Electric / Remote Start

• Ignition System: Electronic

• Choke Type: Automatic

• Oil Capacity: 1.6 Quart

• Automatic Low Oil Shutdown: Yes

• Sound Level: 68 Decibels

• Certification: EPA and CARB Certified

• Circuit Breaker: 30 Amp

• Weight: 172 Pounds

• Dimensions:

  • Length: 30 Inch

  • Width: 19-3/4 Inch

  • Height: 14-1/2 Inch

• Wheels: None (Permanent On-Board Installation)

Features & Benefits

Microprocessor Control with Diagnostics
Provides advanced monitoring and simplifies troubleshooting for reliable generator operation.

Exceptionally Quiet Performance
Fully enclosed muffler and insulated housing significantly reduce noise and vibration.

Compact, Lightweight Design
Ideal for RV installations with limited space and weight restrictions.

OHV Engine Technology
Improves fuel efficiency while reducing maintenance requirements.

Sealed Electrical Connectors
Protects internal components from moisture and environmental exposure.

Single-Side Service Access
Allows easier maintenance and servicing within RV compartments.

Additional Information

• Condition: New

• Warranty: 3 Year Limited Manufacturer Warranty

• Brand: Cummins Onan Power Generation

• Return Policy: Non-Returnable Item