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DuroMax XP4850EH

Ranked #14 of 22 in Best Dual-Fuel Portable Generators: Champion, Westinghouse, DuroMax, WEN & FIRMAN (2026). Here is every spec we scored, where it came from, and how it compares.

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#14

DuroMax XP4850EH

Best for: 3,850 W dual fuel with 23 h at quarter load

6.2/10

What we like

    Watch out for

      Score breakdown

      Running watts (gasoline) 25%
      Starting watts 5%
      Runtime at 50% load 15%
      Runtime at 25% load 5%
      Noise 10%
      Transfer-switch ready 10%
      CO shutoff * 10%
      Runs on propane 10%
      Weight 5%
      CARB compliant * 5%

      * Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

      Running watts (gasoline)3850 W
      Starting watts4850 W
      Runtime at 50% load10 h
      Runtime at 25% load23 h
      Noise69 dBA
      Transfer-switch readyYes
      CO shutoffNot listed
      Runs on propaneYes
      Weight122 lb
      CARB compliantNot listed
      Starting (peak) watts, gasoline4,850 W
      Running watts on propane3,658 W
      Fuel tank4 gal
      Outlets(1) L14-30R
      CO shutoffNot published by the maker
      CARBNot published by the maker
      PriceCheck price
      Check price at Amazon
      Specs source:

      How it compares

      Open the full comparison table

      DuroMax DS10000EH
      7.5/10
      #1 · 8,000 W CARB-certified dual fuel
      FIRMAN H08052
      7.5/10
      #2 · 8,000 W dual fuel with 12 h at half load
      Champion 8500W Electric Start Dual Fuel Generator (201493)
      7.3/10
      #3 · 8,500 W dual fuel with CO Shield
      Champion 9500W Electric Start Dual Fuel Generator (201508)
      7.3/10
      #4 · Most running watts here: 9,500 W with an L14-30R and 14-50R
      Champion 8000W Electric Start Dual Fuel Generator (201568)
      7.1/10
      #5 · 8,000 W dual fuel with a 14-50R
      FIRMAN T08073
      7.1/10
      #6 · Tri-fuel 8,000 W with L14-30R and 14-50R
      Champion 7500W Electric Start Dual Fuel Generator (201281)
      6.9/10
      #7 · 7,500 W dual fuel with electric start
      FIRMAN T04472
      6.8/10
      #8 · Tri-fuel 4,400 W with 13 h at half load
      Champion 6250W Dual Fuel Generator (201463)
      6.7/10
      #9 · 6,250 W dual fuel with CO Shield
      DuroMax XP10000X
      6.6/10
      #10 · 8,500 W gas with 22 h at quarter load
      FIRMAN H07553
      6.4/10
      #11 · 7,500 W dual fuel with CO alert
      WEN DF8000X
      6.4/10
      #12 · 6,500 W dual fuel with Watchdog CO shutdown
      Champion 5500W Dual Fuel Generator (201505)
      6.3/10
      #13 · 5,500 W dual fuel, 11 h at half load
      DuroMax DS4500DX
      6.1/10
      #15 · CARB-certified dual fuel with 25 h at quarter load
      Westinghouse WGen5300DFv
      5.8/10
      #16 · CARB-compliant dual fuel, transfer-switch ready
      Champion 6500W Dual Fuel Generator (201077)
      5.8/10
      #17 · 6,500 W dual fuel, 11 h at half load
      DuroMax XP5500HX
      5.7/10
      #18 · 4,500 W dual fuel with CO alert and 19 h at quarter load
      Champion 3650W Dual Fuel Generator (201280)
      5.7/10
      #19 · RV-ready 3,650 W dual fuel with 14 h at half load
      WEN GN8000M
      5.4/10
      #20 · 6,500 W gas, transfer-switch ready
      Westinghouse WGen7500s
      4.2/10
      #21 · 7,500 W gas with an L14-30R
      Westinghouse WGen3600DFv
      4.1/10
      #22 · CARB-compliant RV-ready dual fuel