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Duromax XP4850HX

Duromax XP4850HX Dual Fuel Portable Generator

April 22, 2025 by Portable Power Leave a Comment

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The Duromax XP4850HX dual fuel portable generator is an excellent mid-power choice for those who need a reliable portable generator for emergency backup or recreational uses. Its dual-fuel technology allows you to choose between gasoline and propane, making it a versatile and convenient option for your energy needs.

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Table of Contents

Toggle
  • XP4850HX Features
  • Dual Fuel Capability
  • XP4850HX Specs
  • Final Thoughts Duromax XP4850HX
  • FAQs
    • What are the standout features of the Duromax XP4850HX generator?
    • Why is dual fuel capability a big advantage?
    • Is the XP4850HX suitable for home backup, RVs, or job sites?
    • What safety and convenience features does the XP4850HX include?
    • How loud is the XP4850HX during operation?
    • What certifications does the XP4850HX have, and why do they matter?
    • What should I do if my XP4850HX won’t start or runs rough?
    • What’s included in the box with the XP4850HX?
    • How does the XP4850HX compare to similar models like the XP4850EH?
    • What maintenance tips will keep my XP4850HX running smoothly?
    • Where can I get support or warranty service for the XP4850HX?

XP4850HX Features

  • Push-button electric start
  • 120V and 240V output
  • Wide range of outlets
    • Two 120V GFCI household outlets
    • One 120/240V 30AMP twist-lock outlet
    • One USB A outlet
    • One USB C outlet
  • Automatic Low Oil Shutdown
  • CO Sensor Shutdown
  • Easy access grounding terminal.
  • Dual fuel technology, choose between gasoline or propane

Dual Fuel Capability

A dual-fuel generator is a good investment for anyone who wants to be prepared for a power outage or other emergency. This portable generator runs on gasoline or propane, allowing you to use whichever fuel is more readily available.

Propane has a few advantages over gasoline. First and foremost, propane is a much cleaner fuel source than gasoline. Because it contains fewer impurities and produces fewer byproducts during combustion, propane significantly reduces toxic emissions. This makes it much safer for the environment overall.

In addition, propane generators are less prone to the issues caused by cold weather that can impact the performance of gasoline units. And propane has an indefinite shelf-life, unlike gasoline, which requires special additives for storage and even then doesn’t keep for more than a year or two. This means that long-term fuel storage is much easier with propane.

Dual-fuel propane generators are an excellent choice for anyone who wants the peace of mind that comes with knowing they have a more versatile backup power source.

XP4850HX Specs

  • 10-hour runtime at 50% Load (gasoline)
  • 9-hour runtime at 50% Load (propane)
  • 210cc engine
    • Forced air cooling
    • Overhead Valves
    • Cast Iron Sleeve
    • Stainless Steel Ball Bearings
  • Peak Wattage: 4,850 watts gasoline / 4,608 watts propane
  • Running Wattage: 3,850 watts gasoline / 3,658 watts propane
  • Weight: 126 lbs
  • Volume: 69 dB
  • EPA Certified
  • CARB Certified

Final Thoughts Duromax XP4850HX

The DuroMax XP4850HX generator is designed with your needs in mind. With a digital multimeter, USB outlets, front-facing fuel interface, and DuroMax’s exclusive MX2 switch that harnesses the generator’s full power, this generator has everything you need and more. The 210cc OHV DuroMax engine is powerful and built to last, while the CO Alert Technology will automatically shut down the generator if an unsafe level of carbon monoxide is detected. Get peace of mind knowing you have a reliable backup plan for when the lights go out.

Check out the many five-star reviews on Amazon, or look for the Duromax XP4850HX on eBay.

Quick Tip: If you’re looking for more power, check out Duromax Generators for a complete list of models with output power ranging from 10,000 to 15,000 watts. In particular, consider the Duromax XP4850EH with duel fuel capability and the gasoline-only Duromax XP4400E.

DuroMax XP4850HX Dual Fuel Portable Generator-4850 Watt Gas or Propane Powered Electric Start w/CO Alert, 50 State Approved, Blue
DuroMax XP4850HX Dual Fuel Portable Generator-4850 Watt Gas or Propane Powered Electric Start w/CO Alert, 50 State Approved, Blue
  • All-New Control Center: The generator features a digital multimeter, USB outlets, and a front-facing fuel interface. It also includes DuroMax’s exclusive MX2 switch that combines two 16-amp 120-volt circuits into one powerful 32-amp circuit. The digital multimeter displays voltage, frequency, total hours run, and hours until the recommended maintenance.
  • Fuel Flexibility: This generator can run on either gasoline or propane, offering you the freedom to choose the fuel that suits your needs.
  • CO Alert Technology: Safety is a priority with DuroMax’s “CO Alert Technology,” which automatically shuts down the generator if an unsafe level of carbon monoxide is detected.
  • Durable Construction: The generator is built with a powerful 210cc OHV DuroMax engine and features ALL COPPER WINDINGS, ensuring longevity and reliability for years to come.
  • Fully Loaded Power Panel: The power panel is equipped with two 120V GFCI household outlets and one 120/240V 30AMP twist-lock outlet, providing multiple options for your power needs.
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FAQs

What are the standout features of the Duromax XP4850HX generator?

The Duromax XP4850HX stands out for its dual fuel capability—you can run it on either gasoline or propane, giving you flexibility during emergencies or outdoor adventures. It features a push-button electric start, a digital control center, and a wide variety of outlets (including USB-A and USB-C).

Safety is a priority, with automatic low oil shutdown and a CO Alert sensor that shuts the unit off if carbon monoxide levels get too high. The MX2 switch lets you harness the generator’s full power for demanding appliances or RVs.

Why is dual fuel capability a big advantage?

Dual fuel means you can use whichever fuel—gasoline or propane—is more available or affordable. Propane is cleaner-burning, produces fewer emissions, and stores indefinitely without special additives. It’s also less likely to gum up your carburetor in storage or cold weather. This flexibility makes the XP4850HX a smart choice for backup power or camping.

Is the XP4850HX suitable for home backup, RVs, or job sites?

Absolutely! The XP4850HX’s 120/240V output and MX2 switch make it great for home backup during outages, powering essentials like fridges, freezers, and lights. It’s RV-ready and can handle most job site tools. The built-in wheels and handle make it easy to move wherever you need power.

What safety and convenience features does the XP4850HX include?

You get peace of mind with automatic low oil shutdown and a CO Alert sensor that shuts off the unit if carbon monoxide gets too high. The digital control center makes monitoring easy, and the generator includes a fuel gauge, rugged all-metal construction, and a wheel/handle kit for portability. There are also USB ports for charging small electronics.

How loud is the XP4850HX during operation?

The XP4850HX runs at about 69 dB—similar to a normal conversation or a vacuum cleaner. It’s quiet enough for residential use or campsites, especially if you place it a little distance from your living area.

What certifications does the XP4850HX have, and why do they matter?

The XP4850HX is both EPA Certified and CARB Certified. This means it meets strict emissions standards set by the Environmental Protection Agency and California Air Resources Board. If you live in California or another state with tough air quality rules, you can use this generator legally and confidently.

What should I do if my XP4850HX won’t start or runs rough?

If your generator won’t start, check these basics first:

  • Fuel: Make sure there’s fresh gasoline or propane.
  • Oil: Low oil will trigger automatic shutdown—top it off if needed.
  • Battery: If using electric start, ensure the battery is charged.
  • Choke: Use the choke for cold starts.
  • Connections: Inspect spark plug and fuel lines for damage or looseness.

If it runs rough, try switching to fresh fuel, cleaning or replacing the air filter, and checking the spark plug. For persistent issues, consult the manual or contact Duromax support.

What’s included in the box with the XP4850HX?

You’ll receive the generator, an oil funnel, spark plug wrench, tool set, wheel and handle kit, propane regulator and hose, and the owner’s manual. Everything you need for setup and first use is included.

How does the XP4850HX compare to similar models like the XP4850EH?

Both the XP4850HX and XP4850EH offer similar power and dual fuel capability. The HX model adds a digital control center, USB outlets, and CO Alert technology for extra safety and convenience. If you want modern features and enhanced safety, the XP4850HX is the better pick.

What maintenance tips will keep my XP4850HX running smoothly?

  • Change the oil after the first 20 hours, then as recommended.
  • Use ethanol-free gasoline if possible.
  • Run the generator monthly to keep it in good shape.
  • Store in a dry, covered location.
  • Clean the air filter regularly.
  • Use a magnetic oil dipstick (optional) to help trap debris.

Where can I get support or warranty service for the XP4850HX?

Duromax offers a 5-year parts and technical service warranty. You can reach their US-based support team by phone, email, or live chat. There are also nationwide service centers for repairs and parts.

Filed Under: Dual Fuel Generators, Duromax Generators Tagged With: dual fuel generator, Duromax XP4850HX, gas generator, portable generator, propane generator

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