Dewalt DXGN4500 - 4200/4500W Portable Generator

The Dewalt DXGN4500 is a portable open frame generator with a rated wattage of 4200 W and a starting wattage of 4500 W.

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Picture of the Dewalt DXGN4500

Description

The DEWALT DXGN4500 is designed with the professional contractor or rental operator in mind. This unit is powered by a 270cc Honda GX270 manual start OHV engine with auto shut off for low oil. The premium alternator provides low harmonic distortion. The large 7 Gal. tank with fuel gauge runs up to 15 hours at 50% load. Features include a hydraulic/magnetic circuit breaker that provides overload protection, a digital hour meter for monitoring run time and tracking maintenance and an idle control to reduce noise and save fuel. The steel frame is job site tested and includes a lifting hook. An optional wheel kit is available. (source: Dewalt (opens in a new tab))

Zoom on the Dewalt DXGN4500

In a nutshell, the Dewalt DXGN4500 is a portable generator mostly geared towards:

  • RV travellers who wish to upgrade their experience to another level
  • People occasionally participating in outdoor fairs, festivals or events
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
  • Professionals who want to ensure that a power failure will not prevent them from working

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 Dewalt DXGN4500's core is the 270 cc (8.5 hp) Honda GX270 OHV 4-stroke engine, which runs on gasoline. With an output of 120/240V, it provides a running wattage of 4200W and a peak wattage of 4500W.

At a noise rating of 76 dBA (less noisy than a vacuum cleaner), the generator is started via a conventional pull-start mechanism.

With a fuel capacity of 7 gallons, the DXGN4500 may run for around 15 hours at 50% load with a full tank (fuel consumption around 0.47 GPH).

Since the DXGN4500 has a somewhat high THD (<6%), it is advisable to not use it for the powering of sensitive electronic devices.

Outlets

The control panel provides the upcoming 6 AC outlets:

Two Duplexes 120V 20A (5-20R) GFCI
120V 30A (L5-30R) receptacle
120/240V 20A (L14-20R) receptacle

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

Portability

The dimensions of the Dewalt DXGN4500, which are L28.2 x W21.3 x H24.1 in, and its typical, open frame design provides stability and enables the generator to be raised above ground level. The generator is designed for ideal use outdoors and in rough environments.

As the generator's weight is 160 pounds, manually moving it or transporting it may be challenging, despite the fact that it is technically considered 'portable' (movable).

Further safety during transport, loading and unloading of the device is provided by a lift hook, which is placed on the top of the generator's frame.

Features

One of the many DXGN4500's features is the data center, included in its control panel, which conveniently provides information on the lifetime run hours and thus, helps you monitor its activity and status.

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

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

Along the basic documentation and an owner's manual (opens in a new tab), useful for starting the generator right away, the Dewalt DXGN4500's package also includes these accessories: tool kit and oil.

Emissions

The Dewalt DXGN4500 is EPA-approved and CARB-compliant. It can therefore be sold and purchased in all 50 states, including California.

Moreover, it features a spark arrestor and thus, may be used in forested areas.

The Dewalt DXGN4500 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Dewalt DXGN4500 compare to generators of similar power (between 3500 and 4500 W).

  • As its dry weight is 160 pounds, the Dewalt DXGN4500 is one of the heavier of the products which can generate 3500 to 4500 running watts. If weight is your top priority, one of the champions in this power category is the WEN GN400i, weighing just 66.1 pounds.
  • This generator, with its lowest possible noise rated at 76 dBA falls into the more noisy category, compared to other devices of a similar running wattage. If you’d prefer a less noisy device, one of the most quiet devices, which share the same power range with this one, is the Cummins Onan P4500i, whose lowest noise levels reach just 52 dBA.
  • With a run time of around 15 hours at 50% load, the DXGN4500 has one of the higher run times, compared to its similarly powerful peers. If you consider autonomy on a single full tank as one of the deciding factors, one of the generators in the same power range that offers the highest run time is the Predator 4375, with around 16 hours.
  • Autonomy holds its importance, however, it is largely dependent on the generator’s fuel capacity and so, it is nonsensible to discuss it without mentioning fuel efficiency as well. In fact, this generator is not among the most fuel efficient, within the aforementioned wattage range : its estimated gasoline consumption at 50% load is around 0.47 GPH. If fuel consumption is your top priority, we suggest to check out the Cummins Onan P4500i, which has a fuel consumption of only 0.23 GPH and thus, is one of the most efficient devices in our database.

The bottom line

STRENGTHS:
  • Several accessories included
  • GFCI Outlets
  • Honda engine
  • High run time
WEAKNESSES:
  • No electric start
  • On the heavy side (160 lbs)
  • On the noisy side (76 dBA)
  • Low fuel efficiency

Do you own the Dewalt DXGN4500 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
Engine270 cc Honda GX270 OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120/240V 60 Hz
Running watts4200 W
Starting watts4500 W
Running amps (@120/240V)35/17.5 amps
Peak amps (@120/240V)37.5/18.8 amps
Run time @50% load15 h
Run time @25% loadUnknown
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationYes
AC outlets
  • 2x Duplex 120V 20A (5-20R) GFCI
  • 1x 120V 30A (L5-30R)
  • 1x 120/240V 20A (L14-20R)
DC outletsNo
Data centerLifetime run hours
IndicatorsNo
Fuel tankMetal, 7 gal
Fuel gaugeYes
Misc
Weight160 lbs
Approx. dimensions (L x W x H)28.2 x 21.3 x 24.1 in
Noise (lower limit)76 dBA
THD< 6%
ComplianceCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil and tool kit
Warranty3 years
Other model numbersPD422MHI005
UPC696471618594

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 DXGN4500 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 generator size calculator.
ItemRunning WattsStarting Watts
At homeSump pump (1/2 hp)10502150
Furnace fan (1/2 hp)8752350
Refrigerator (energy star)1921192
Washing machine9001650
Total3017 W4492 W
For campingRadiant heater13001300
RV refrigerator180600
Hair dryer18001900
Set of 5 LED light bulbs5555
Total3335 W3755 W
For workGrinder14002500
Demolition hammer12601260
Drill600900
Bug zapper8080
Total3340 W4440 W

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