Cummins Onan QG 4000 EVAP RV Generator

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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

  • 4,000W Continuous Power Output – Runs a 13,500 BTU air conditioner plus a 2,000-watt baseload.

  • EVAP Model for 50-State Compliance – Meets strict CARB Tier III & EPA Phase 3 standards for California & Massachusetts approval.

  • Cummins Onan 4-Cycle OHV EngineReliable, fuel-efficient, and long-lasting performance.

  • Microprocessor-Controlled OperationPrevents damaging voltage spikes and optimizes power distribution.

  • Digital Voltage Regulation – Ensures stable power for sensitive electronics and appliances.

  • Sound-Attenuating EnclosureReduces noise levels while providing cross-flow cooling for better performance.

  • Enclosed Muffler with USDA Forest Service-Approved Spark Arrestor – Safe for use in national parks and wilderness areas.

  • LED Control Panel with Status Indicator Light – Features a Start/Stop/Prime rocker switch for easy operation.

  • Integrated Safety Features – Includes magnetic circuit breaker, fused DC circuits, and low oil shutdown for added protection.

  • 3-Year Limited WarrantyBacked by Cummins’ industry-leading support.

Specifications
  • Manufacturer’s Warranty: 3-Year Consumer Limited

  • Rated Power Output: 4,000W

  • Voltage: 120V Single-Phase

  • Amperage: 30A Circuit Breaker

  • Frequency: 60Hz

  • Engine: Cummins Onan 4-Cycle OHV, 304cc

  • Engine Speed: 3,600 RPM

  • Starting System: 12-Volt Button Start

  • Cooling System: Pressurized Air-Cooled

  • Noise Level: Quiet operation with sound-attenuated housing

  • Fuel Type: Gasoline

  • Low Oil Shutdown: Yes

  • Dimensions (L x W x H): 30.0" x 19.7" x 14.4"

  • Weight: 172 lbs

What’s Included
  • Cummins Onan QG 4000 EVAP Gasoline RV Generator (4KYFA-6747)

  • Sound-Attenuating Enclosure & Enclosed Muffler

  • User Manual, Installation Guidelines, & Spec Sheet

Ideal For
  • RV Owners & Campers – Powers air conditioners and appliances for off-grid comfort.

  • Eco-Conscious TravelersCARB-compliant EVAP model meets emission regulations in all 50 states.

  • Boondocking & Off-Grid Living – Provides quiet, fuel-efficient, and stable power for extended trips.

  • National Park VisitorsMeets 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.

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