DuroMax XP4850EH Dual Fuel Review

DuroMax XP4850EH Dual Fuel ReviewFor fans of propane fuel generators that still want the convenience of using gas, there is the DuroMax XP4850EH 4850 watt Dual Fuel Portable Generator.

But what else should you know about this relatively new model, besides its variable fuel inputs?

Please keep reading as we break down the key features and benefits & disadvantages of the XP4850EH so you can decide for yourself whether it’s the right genset for you.

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Engine Displacement & Power Output

The XP4850EH comes with a 210 cc, 7 HP 4-stroke air-cooled, cast iron-sleeved engine that can produce a total of 4,850 surge (or max) watts and 3850 rated (or running) watts. This is a very respectable amount of power, which is good enough to cover a few of the biggest home appliances during outages or when off the grid recreating. For example, things like full-sized fridges, air conditioning units, convection/microwave ovens, sump pumps and furnace blowers can generally be powered (although not at the same time necessarily) with this generator. If in doubt, consult with our generator sizing calculator for details.

DuroMax XP4850EH - enjoy the freedom of using gas or liquid propane.Runtime & Fuel Type

So, as the “dual fuel” moniker suggests, this generator can accept both gasoline and propane as fuel. Both have their advantages. Gas is cheap and commonly available; however, propane burns cleaner and has a nearly indefinite shelf-life, making it a perfect fuel source for the odd power outage.

Duromax estimates a runtime of 20 hours when fueled by propane, and approximately 8 hours of runtime on a full (4-gallon) fuel tank at 50% of maximum load. These are good numbers, and make this generator a good bet for those looking to spend less time topping off the tank when running the unit for extended periods.

Start Type

For those that don’t like cranking generators (who does really?), the good news is that the XP4850EH comes with an electric start (a key-start) for effortless firing. And just in case this goes out on you, there is a pull-start included as a backup.

The DuroMax XP4850EH comes with a full power panel with volt meter.Power Panel & Outlets

The power panel on the XP4850EH is very good, and comes with (2) 120Volt 20 Amp 3-Prong Outlets and (1) 120V / 240V 30 Amp Twist Lock outlet (NEMA L14-30 3 Pole 4 Wire). It also features a circuit breaker, large volt meter and a convenient 12V DC output.

Noise Level

Conventional generators do make some running noise, no getting around that. However, most users will find the DuroMax XP4850EH tolerable. Specifically, it is rated to produce about 69 dB, measured from 7 meters. This is roughly equivalent to normal human conversation, which isn’t too bad. Obviously, loudness will depend on load, and when the engine is running harder to meet demand, you can expect more noise – and vice versa.

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The DuroMax XP4850EH is fitted with a tubular frame and wheel kit for easy mobility.Size & Portability

For a generator that produces nearly 5000 surge watts, the XP4850EH occupies a relatively small footprint. This unit measures (without the wheel kit) 23.2 inches long, 17 inches wide and 17 inches high. It weighs roughly 140 pounds when dry. The tubular metal frame and all-terrain wheel kit included with this model makes rolling the unit around fairly easy.

Additional Features

  • Low oil indicator and engine shutoff;
  • EPA & CARB approval for use nationwide;
  • Muffler noise-dampening system with spark arrestor;
  • Electric and manual start backup;
  • Volt meter.

DuroMax XP4850EH - lots of value and power for a dual-fuel portable generator.Price and Value

Currently selling for about $700 shipped, this is a good deal on a conventional generator that produces nearly 5000 surge watts – especially one that can accept propane as an alternative fuel source.

Indeed, dual fuel generators always come with a premium price, so we were pleased to see this one priced close to a typical gas-only model with otherwise similar ratings. A good buy in our view.

Overall Pros/Cons

Pros:

  • Duel fuel capacity is extremely convenient;
  • Produces lots of electricity for home/recreational use;
  • Fairly compact and portable considering power output;
  • Full power panel with volt meter;
  • CARB approved for use/sale in all 50 states;
  • Convenient electric start.

Cons:

  • May run a bit loudly, especially under heavy load;
  • Dual fuel feature comes with a slightly higher price.

Concluding Thoughts & Opinions

Buy the DuroMax XP4850EH dual-fuel portable generator!We are very fond of dual fuel portable generators, and particularly the convenience of keeping a couple tanks of propane on hand in the event of the random emergency. In addition, we like the cleaner-burning nature of propane, especially for recreating or when you need to be closer to the unit when running. However, that’s not all we like about the DuroMax XP4850EH 4850 watt Dual Fuel Portable Generator.

Even putting aside the dual fuel capability, this is a well-built, very powerful genset that occupies fairly little space and is still small enough to move around easily on its wheel kit. In addition, we do appreciate the addition of the electric start and that this model is CARB approved, making it available to Californians as well as the rest of the 50 states. A great portable generator at a very fair price!

>>Buy the DuroMax XP4850EH 4850 watt Dual Fuel Portable Generator!<<

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3 Comments

  1. Scott says:

    Is the DuroMax XP4850EH capable of running a 120v 30a RV if adapted to a TT-30 plug, or does that imbalance (overwork) the windings in the generator? There is widespread misunderstanding about this. What is the 120v – 240v/120v switch for?
    Thank you

  2. Pete says:

    Wondering if this unit has enough umph to start and run my 1 hp deep well pump? I have the pump wired for 230 volts but I do not know the amp-draw at start up. The pump does require a 30-amp fuse.

  3. Roger says:

    I am pleased with the generator and have two comments. First, it is equipped with an AVR for output voltage regulation. And, the AVR is adjustable, located at the the end of the generator. I don’t think the AVR was mentioned in your review. Second, the instructions say to push the propane bleeder three times before starting with propane. Factory tech said to bleed it for ten seconds before starting…works much better that way. Also, I found that the spark plug in the generator was an F7RTC and the gap was too small. Book says .7-.8 mm gap.
    Regapping to .7 mm made engine start better. Book also calls for a different plug.

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