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Dewalt DXGNR4000 - 4000/5000W Portable Generator

The Dewalt DXGNR4000 is a portable open frame generator with a rated wattage of 4,000 W and a starting wattage of 5,000 W.

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Description

The 4000 Watt Portable Gas Generator is powered by a 223cc engine with low oil shut off which protects the engine from damage. CO-Protect Technology automatically shuts down the generator if carbon monoxide levels become unsafe or rapidly increase. This generator is equipped with covered outlets to help protect it from even the toughest jobsites and features heavy duty wheels for transportation and durability. The 3.4 Gal. steel fuel tank provides up to 10 hours of runtime at 50% load. The 1 ¼” steel tube frame helps protect it from jobsite conditions. (source: Dewalt (opens in a new tab))

Zoom on the Dewalt DXGNR4000

In a nutshell, the Dewalt DXGNR4000 is a portable generator mostly geared towards:

  • RV travellers who wish to upgrade their experience to another level
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
  • Professionals in need of safely powering high-intensity work or lighting equipment

In the following paragraphs, we shall explore the power characteristics, available outlets, portability, and any additional features of the device, along with its emission compliance information.

Power & Run Time

The Dewalt DXGNR4000 is powered by a 223 cc OHV 4-stroke engine. It delivers 120V, runs on gasoline and offers a running wattage of 4,000W as well as a peak wattage of 5,000W.

Its starting mechanism is based on a conventional pull-start mechanism.

With a full tank, the DXGNR4000 can operate for around 10 hours at 50% load (fuel consumption around 0.34 GPH), thanks to its fuel capacity of 3.4 gallons.

Outlets

The control panel features the following 5 AC outlets:

Two Duplexes 120V 20A (5-20R) GFCI
120V 30A (L5-30R) receptacle

This Dewalt generator isn't quite RV Ready, but it features an L5-30R receptacle, allowing a simple RV connection through an L5-30P to TT-30R adaptor.

Portability

The Dewalt DXGNR4000 has a conventional, open frame design, of the following dimensions: L23.7 x W23 x H21.4 in, which offers support and allows it to be raised above ground level. This type of design is ideal for tough environments and heavy outdoor use.

While the generator is considered to be technically 'portable' (in the sense that you can move it), manually lifting and transporting it may be challenging, due to its high weight of 119 lbs. However, this lack of maneuverability is compensated by its wheel kit and its folding handle, with which you can conveniently shift it, once it's on the ground.

Features

Panel of the Dewalt DXGNR4000

The DXGNR4000's control panel

Monitoring of the DXGNR4000's status and activity is made possible by a digital data center, which provides information on the lifetime run hours and is one of the features of its control panel.

The generator allows for a quick, easy and convenient assessment of its gas level, as it is equipped with a built-in fuel gauge.

As far as security is concerned, the generator can be used with a peace of mind, as it features an overload protection (circuit breaker) and an automatic low oil shut-off.

The DXGNR4000 also benefits from Dewalt’s CO Protect carbon monoxide shutdown. If CO levels become unsafe or rapidly increase, the generator is automatically shut down. It’s a welcomed additional security feature, but don’t forget to always take your generator outside (opens in a new tab).

With the basic documentation and an owner's manual (opens in a new tab), letting you start the generator quickly, the Dewalt DXGNR4000 also comes with several accessories, including: oil and funnel.

Emissions

The Dewalt DXGNR4000 is CARB-compliant. Therefore, its sale and purchase are permitted in all of the 50 states, including California.

Moreover, it features a spark arrestor, making it usable in forested areas.

The Dewalt DXGNR4000 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Dewalt DXGNR4000 compare to generators of similar power (between 3500 and 4500 W).

  • Having a dry weight of 119 lbs, the Dewalt DXGNR4000 belongs in the expected weight range for generators which produce 3500 to 4500 rated watts. If weight is your top priority, one of the champions in this power category is the WEN GN400i, weighing just 66.1 pounds.
  • Regarding its autonomy, the autonomy of the DXGNR4000, reaching around 10 hours at a 50% load, can be considered as low end, compared to other products of a roughly equal output. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Predator 4375, boasting with around 16 hours.
  • While the run time is an important parameter, it is dependent on the fuel tank’s capacity and thus, doesn’t say much on its own unless we consider fuel consumption as well. With an estimated gasoline consumption of 0.34 GPH (gallon per hour) at 50% load, this generator is among the more fuel efficient of the products in the above-mentioned wattage range. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.23 GPH, the Westinghouse iGen4500DF is a device you could look out for.

Price comparison

As you can see from this interactive chart, when compared to other 3500-4500W generators, the Dewalt DXGNR4000 is on the average side of the price range.

Therefore, this generator nicely fits in the expected budget for this kind of product.

The bottom line

STRENGTHS:
  • In the expected price range
  • CO Protect technology
  • Several accessories included
  • GFCI Outlets
  • Fuel efficient
AVERAGE SPECS:
  • Decent weight (119 lbs)
WEAKNESSES:
  • No electric start
  • Relatively low run time

Do you own the Dewalt DXGNR4000 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterNo
PortableYes
Parallel capableNo
RV readyNo
FuelGasoline
Engine223 cc OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120V 60 Hz
Running watts4,000 W
Starting watts5,000 W
Running amps33.3 amps
Peak amps41.7 amps
Run time @50% load10 h
Run time @25% loadUnknown
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationYes
AC outlets1x 120V 30A (L5-30R)
DC outletsNo
Data centerLifetime run hours
IndicatorsNo
Fuel tankSteel, 3.4 gal
Fuel gaugeYes
Misc
Weight119 lbs
Approx. dimensions (L x W x H)23.7 x 23 x 21.4 in
Noise (lower limit)Unknown
THDUnknown
ComplianceCARB
SecurityLow oil and overload protection, CO monitoring
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil, funnel, and wheel kit
Warranty3 years
Other model numbersPMC164000
UPC696471075809

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.

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About Dewalt

DeWalt is a well renowned, US-based, tool and power equipment company, founded in 1922 by Raymon DeWalt. DeWalt is nowadays a subsidiary of the Stanley Black & Decker corporation, owns 7 manufacturing facilities in the US and offers a large selection of products, from screwdrivers to portable generators. DeWalt’s portable generator line consists of conventional, open designs of various outputs, some of which are powered by Honda engines. However, unlike many of their tools, they are apparently not all made in the US and are manufactured under license by Generac.

Warranty Information

The Dewalt DXGNR4000 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 Dewalt generators, please consult Dewalt's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-800-4-DEWALT (800-433-9258).

Questions & Answers

What can it power?
Examples of items that can be simultaneously powered.
The examples below are based on a maximum load of 80% and estimated wattages. For a more accurate estimation, use our wattage calculator.
ItemRunning WattsStarting Watts
At homeRefrigerator (energy star)1921192
Hair dryer18001900
Vacuum cleaner10751175
Radio100100
Total3167 W4167 W
For campingRadiant heater13001300
RV refrigerator180600
Electric grill16501650
Set of 5 LED light bulbs5555
Total3185 W3605 W
For workTable saw18004500
Drain cleaner250250
Bug zapper8080
Total2130 W4830 W
What is the noise rating of the DXGNR4000?

Due to the lack of standardization in noise emission measurement, Dewalt does not provide their units' noise levels.

How do they not list the DBA in the specs- What is it? (Asked August 19, 2020)

As there is no industry standard for noise emission measurement, some manufacturers simply refuse to publish any noise rating.

What oil does the generator take? (Asked October 27, 2020)

SAE 10W-30 is recommended for general, all temperature use.

What gasoline is the best (Asked January 13, 2021)

Gasoline should be clean, fresh, and unleaded, with a minimum octane rating of 87.

How much oil does this take? (Asked February 01, 2021)

Engine oil capacity is 0.54 qt.

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