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

Manufacturer: Cummins

SKU: A055E867

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(888) 999-1522

$ 4,018.00

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This item ships for free. Freight shipments include liftgate at no additional charge.

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

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

Product Overview

The Onan 4000 4KYFA-6747 Generator meets CARB Tier III and EPA Phase 3 standards and specifications required for all generator sets on trailers and other non-motorized mobile applications. The 50-state law requires an EVAP Generator Set, approved tank, EVAP canister, hoses, and fittings. Onan 4000 generator for sale and use in all 50 states including California and Massachusetts.

Perfect for fifth wheel trailers, camper trailers, truck campers, and motorhomes. The Onan Generator 4000 runs a 13500 BTU air conditioner with a 2000-watt baseload and power to spare.
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3 year factory warranty


Brand new in box


Gasoline powered


Authorized Cummins dealer


  • 4.0 kW Gasoline Powered RV Generator EVAP (Model 6747)
  • Enough power to run a 15,000 BTU AC (30A 1-Pole Breaker)
  • Designed For Use With Multiple Applications
  • Fifth wheels, travel and sport utility trailers
  • Cummins Onan 4-Cycle OHV Engine
  • Provides quiet operation w/ excellent fuel efficiency
  • Microprocessor Controlled
  • Digital voltage regulator prevents damaging voltage spikes
  • Provides added protection from overloads and faults
  • Sound-Attenuating Enclosure
  • Lowers noise levels while providing cross-flow cooling
  • Control Panel w/ LED Status Indicator Light
  • Start-Stop/Prime rocker switch
  • Provides gen-set diagnostics
  • USDA Forest Service Approved Spark Arrestor Muffler
  • Enclosed design, reduces noise levels
  • Added Features
  • Magnetic circuit breaker & fused DC circuits (to protect wiring)
  • 125" Generator set output leads
  • Meets CARB Tier 3 and EPA Phase 3 Standards


Circuit Breaker Size 30 Amps
Min. Air Inlet - Front 7.2" x 5.1"
Min. Air Outlet - Bottom 9.6" x 3.8"
Grade Type Recreational
Engine Brand Cummins Onan
Starting System 12-Volt Button Start
CC 304 CC
Engine RPM 3600 RPM
Low Oil Alert/Shutdown Yes
Cast Iron Sleeve Yes
Weight 172 Pounds
Product Style RV Generator
Product Length 30.0 Inches
Product Width 19.7 Inches
Product Height 14.4 Inches
Additional Model Numbers RV QG 4000 2, A055E867
Voltage 120 Single-Phase
Frequency 60 Hertz
Alternator Brush
Auto Voltage Regulation Yes
Rated Watts 4000 Watts
Fuel Type Gasoline
Rated Amps 33.3 Amps
Decibel Rating @ 3m 68
Fuel Consumption .3-.7 gallons/hr

Package Contents

Cummins Onan QG 4000 Gas Generator

User's manual


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This item comes with a 3 year factory warranty.

Customer Reviews

Customer Reviews

Based on 1 review
John Weith
John Weith review

I was told my new generator would ship in 4 weeks an that we would be get shipping updates automatically. Unfortunately, it shipped several weeks late and I hat to calmly twice to get any info.

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