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DuroMax XP4000S Spec Review

Picture 1 of the DuroMax XP4000S
Picture 2 of the DuroMax XP4000S
Picture 3 of the DuroMax XP4000S

The DuroMax XP4000S is a compact open frame portable generator with a rated wattage of 3300 W and a starting wattage of 4000 W.

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Description

The DuroMax XP4000S 4,000 Watt generator is designed for light duty emergency backup applications. This generator has everything a great generator needs, but at a price that everybody wants. (source: DuroMax)

Zoom on the DuroMax XP4000S

In summary, the DuroMax XP4000S is a compact portable generator especially useful for:

  • RV travellers looking for even more independence
  • Amateur DIY lovers
  • Homeowners in need of an emergency backup power for their essentials

The following sections will present you in detail its power characteristics, the different outlets it offers, its overall portability, the extra features it benefits from and any relevant emission compliance details.

Power & Run Time

The DuroMax XP4000S in use

The DuroMax XP4000S

The DuroMax XP4000S houses a 208 cc (7 hp) DuroMax OHV 4-stroke engine, which provides 120V, consumes gasoline and delivers a running wattage of 3300W along with a peak wattage of 4000W.

At a noise rating of 69 dBA (less noisy than an office), the generator offers the possibility to start the device via a simple traditional pull-start mechanism.

The XP4000S can operate for around 12 hours at 50% load with a full tank (fuel consumption around 0.33 GPH), due to its fuel capacity of 4 gallons.

The powering of sensitive electronic devices with the XP4000S is not recommended due to its relatively high THD (<12%).

The following are examples of possible devices which the generator will allow you to power simultaneously:Note: The above mentioned examples presume a maximum load of 75% and use wattage estimates. In addition, the items might not be able to start simultaneously. With our wattage calculator, you can predict if the product can fulfill your requirements.

Outlets

The control panel provides the upcoming 3 AC outlets:

Duplex 120V 20A (5-20R)
120V 30A (L5-30R) receptacle

Even though this DuroMax generator isn't quite RV Ready, its L5-30R receptacle allows an easy RV connection via an L5-30P to TT-30R adaptor.

Portability

With its dimensions of L23 x W18 x H17.5 in, the conventional, open frame design of the DuroMax XP4000S offers stability and allows the generator to be raised above ground level. The featured design is ideal for the outdoors and all tough environments.

With a dry weight of 94 lbs, the XP4000S can easily follow you wherever your power needs are. Additionally, the generator’s mobility is also improved by its open frame design, as it can be easily grabbed and displaced.

Features

Panel of the DuroMax XP4000S

The XP4000S's control panel

To help you monitor the XP4000S's status and activity, its control panel is equipped with a convenient voltmeter, which provides an easy way to monitor power output anytime.

In addition to this info, a light indicator serves to show you when its oil levels are insufficient.

The generator includes a built-in fuel gauge, a quick, easy and convenient method of checking the device’s gas level.

From a security standpoint, the product offers an overload protection (circuit breaker) and an automatic low oil shut-off, allowing you to use it with a peace of mind.

With the basic documentation and a user manual, letting you start the generator quickly, the DuroMax XP4000S also comes with several accessories, including: funnel and tool kit.

Emissions

The DuroMax XP4000S is EPA-approved and CARB-compliant. Therefore, its sale and purchase are permitted in all of the 50 states, including California.

Moreover, it features a spark arrestor and therefore, can be used in forested areas.

The DuroMax XP4000S versus other generators

The following charts are provided to give you an idea of how some of the key specs of the DuroMax XP4000S compare to generators of similar power (between 2500 and 3500 W).

  • At a weight of 94 pounds, the DuroMax XP4000S places in the expected weight range of the generators in the 2500-3500 rated wattage range. Regarding dry weight, one of the champions in the same power range is the Honda EG2800i, with a dry weight of only 66.6 lbs.
  • This generator, with its lowest possible noise rated at 69 dBA falls into the more noisy category, compared to other devise of a similar running wattage. If noise emissions are important to you, one of the least noisy generators of this power range is the Honda EU3000iS with only 50 dBA.
  • The XP4000S, falls within the average autonomy range compared to generators of a roughly same power, with a run time of 12 hours at a 50% load and a full tank. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Honda EB4000, as it provides 16 hours.
  • Even though run times are undoubtedly important, they are dependent on the fuel capacity to a large extent. For a more wholesome picture, we must take into consideration the fuel consumption of the generator This generator reaches an estimated fuel consumption of 0.33 GPH (gallon per hour) at a 50% load, making it average, for the previously mentioned wattage range. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.17 GPH, the Westinghouse iGen4200 is a device you should look out for.

Price comparison

As you can see from this dynamic chart, when compared to other 2500-3500W generators, the DuroMax XP4000S is on the cheap side of the price range.

It can therefore be a really good buy if you're looking to acquire a budget generator.

The bottom line

STRENGTHS:
  • Inexpensive
  • Several accessories included
AVERAGE SPECS:
  • Decent weight (94 lbs)
  • Decent run time
  • Decent fuel efficiency
WEAKNESSES:
  • No electric start
  • On the noisy side (69 dBA)

Do you own the DuroMax XP4000S and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Where to buy the DuroMax XP4000S?

You can easily buy your DuroMax generator online. You will benefit from a convenient delivery and avoid carrying the heavy package yourself. Here are a few reliable online sellers:
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Price History
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Price history for the DuroMax XP4000S
Latest updates:
  • $279.00 - September 21, 2019
  • $329.00 - August 13, 2019
Since: August 13, 2019
  • Highest Price: $329.00 - August 13, 2019
  • Lowest Price: $279.00 - September 21, 2019

Features and Specifications

General

InverterNo
PortableYes
Parallel capableNo
RV readyNo
FuelGasoline
Engine208 cc DuroMax OHV 4-stroke
Starting systemRecoil

Power

VoltageAC: 120V 60 Hz
Running watts3300 W
Starting watts4000 W
Running amps27.5 amps
Peaks amps33.3 amps
Run time @50% load12 h
Run time @25% loadN/A

Features

GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets1x Duplex 120V 20A (5-20R)
1x 120V 30A (L5-30R)
DC outletsNo
Data centerVoltmeter
IndicatorsLow oil
Fuel tank4 gal
Fuel gaugeYes

Misc

Weight94 lbs
Dimensions (L x W x H)23 x 18 x 17.5 in
Noise (lower limit)69 dBA
THD< 12%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedTool kit and funnel
Warranty3 years

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

About DuroMax

Duromax is a small, American based power equipment company, with headquarters in Ontario, California. Duromax specializes in several products, including pumps, engines, pressure washers, and most importantly, power generators. In this regard, the company focuses solely on portable generators, of mostly small and medium power outputs, and dual fuel devices. Duromax’s generators are designed and serviced in the US, however, their production is outsourced overseas. While Duromax is still a new face to the power generator market, their products have grown in popularity and can be found in the catalogues of most US retailers.

Warranty Information

The DuroMax XP4000S is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of DuroMax generators, please consult DuroMax's warranty policies. Alternatively, you can also contact their Customer Support: 1-844-DUROMAX (844-387-6629).

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