
Cummins Onan QG 4000 EVAP RV Generator – 4kW, Gasoline-Powered, Quiet & Efficient (Model: 4KYFA-6747)
The Cummins Onan QG 4000 EVAP (4KYFA-6747) is a high-performance, fuel-efficient gasoline generator designed for fifth wheels, travel trailers, truck campers, and motorhomes. Meeting CARB Tier III and EPA Phase 3 standards, this 50-state compliant generator ensures clean and reliable power for off-grid and mobile applications.
With a 4,000-watt continuous power output, this generator is capable of running a 13,500 BTU air conditioner along with a 2,000-watt baseload of lights and appliances, making it an ideal choice for RV owners looking for dependable off-grid power.
Key Features
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4,000W Continuous Power Output – Runs a 13,500 BTU air conditioner plus a 2,000-watt baseload.
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EVAP Model for 50-State Compliance – Meets strict CARB Tier III & EPA Phase 3 standards for California & Massachusetts approval.
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Cummins Onan 4-Cycle OHV Engine – Reliable, fuel-efficient, and long-lasting performance.
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Microprocessor-Controlled Operation – Prevents damaging voltage spikes and optimizes power distribution.
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Digital Voltage Regulation – Ensures stable power for sensitive electronics and appliances.
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Sound-Attenuating Enclosure – Reduces noise levels while providing cross-flow cooling for better performance.
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Enclosed Muffler with USDA Forest Service-Approved Spark Arrestor – Safe for use in national parks and wilderness areas.
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LED Control Panel with Status Indicator Light – Features a Start/Stop/Prime rocker switch for easy operation.
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Integrated Safety Features – Includes magnetic circuit breaker, fused DC circuits, and low oil shutdown for added protection.
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3-Year Limited Warranty – Backed by Cummins’ industry-leading support.
Specifications
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Manufacturer’s Warranty: 3-Year Consumer Limited
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Rated Power Output: 4,000W
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Voltage: 120V Single-Phase
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Amperage: 30A Circuit Breaker
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Frequency: 60Hz
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Engine: Cummins Onan 4-Cycle OHV, 304cc
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Engine Speed: 3,600 RPM
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Starting System: 12-Volt Button Start
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Cooling System: Pressurized Air-Cooled
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Noise Level: Quiet operation with sound-attenuated housing
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Fuel Type: Gasoline
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Low Oil Shutdown: Yes
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Dimensions (L x W x H): 30.0" x 19.7" x 14.4"
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Weight: 172 lbs
What’s Included
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Cummins Onan QG 4000 EVAP Gasoline RV Generator (4KYFA-6747)
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Sound-Attenuating Enclosure & Enclosed Muffler
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User Manual, Installation Guidelines, & Spec Sheet
Ideal For
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RV Owners & Campers – Powers air conditioners and appliances for off-grid comfort.
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Eco-Conscious Travelers – CARB-compliant EVAP model meets emission regulations in all 50 states.
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Boondocking & Off-Grid Living – Provides quiet, fuel-efficient, and stable power for extended trips.
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National Park Visitors – Meets spark arrestor and noise-level regulations.
The Cummins Onan QG 4000 EVAP RV Generator is a quiet, efficient, and environmentally compliant generator, providing reliable power for all your RV adventures.