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Dewalt DXGN4500 Spec Review

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

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Picture of the Dewalt DXGN4500
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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 wishing to enhance their freedom and nomad lifestyle
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Homeowners in need of an emergency backup power for their essentials
  • 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 DXGN4500 houses a 270 cc (8.5 hp) Honda GX270 OHV 4-stroke engine, which provides 120/240V, consumes gasoline and delivers a running wattage of 4200W along with a peak wattage of 4500W.

At a noise rating of 76 dBA (less noisy than a shower), the generator is started via a simple traditional pull-start mechanism.

With a full tank, the DXGN4500 can operate for around 15 hours at 50% load (fuel consumption around 0.47 GPH), thanks to its fuel capacity of 7 gallons.

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

This Dewalt generator features an L5-30R receptacle, enabling an easy RV connection via an L5-30P to TT-30R adaptor. However, it is still not quite RV ready.

Portability

The Dewalt DXGN4500 has the following dimensions: L28.2 x W21.3 x H24.1 in. In combination with its conventional, open frame design, they provide support and allow the generator to be raised above ground level. The design is ideal for rough environments and demanding outdoor use.

Since the generator weighs 160 lbs, it will be incredibly difficult to manually lift it and transport it, even though it is technically considered to 'be portable' (in the sense that it is 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 fuel level of the generator can be determined quickly, easily, and conveniently with the help of its built-in fuel gauge.

From a security point of view, the generator is equipped with an automatic low oil shut-off and an overload protection (circuit breaker), giving you a peace of mind during use.

While the standard documentation and an owner's manual (opens in a new tab), helpful for starting the device promptly, come with the Dewalt DXGN4500, the following accessories are also included: oil and tool kit.

Emissions

The Dewalt DXGN4500 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, which makes it suitable for use 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. Regarding dry weight, one of the champions in the same power range is the WEN GN400i, with a dry weight of only 66.1 lbs.
  • Among the generators of a comparable running wattage, this generator with a lowest noise of 76 dBA can be judged as noisy. For those who are looking for a less noisy device, we suggest the Cummins Onan P4500i. With just 52 dBA, it is one of the most quiet devices in this power range.
  • The DXGN4500 provides a higher run time than similarly powerful devices, reaching around 15 hours at 50% load. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Honda EB4000X, reaching around 16 hours.
  • Run times are important, yet thanks to their dependence on the fuel capacity, they should be judged along with the fuel consumption of the device. This generator is somewhat less fuel efficient than devices of comparable output: its estimated fuel consumption reaches 0.47 GPH at a 50% load. If you wish to further improve in the area of fuel efficiency, the Westinghouse iGen4200, which boasts with a gas consumption of only 0.17 GPH, may be the right generator for you.

Price comparison

As you can see from this interactive chart, when compared to other 3500-4500W generators, the Dewalt DXGN4500 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
  • 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
Peaks amps (@120/240V)37.5/18.8 amps
Run time @50% load15 h
Run time @25% loadN/A
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%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil and tool kit
Warranty3 years
Other model numbersPD422MHI005

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 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.

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 sizing 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
Paint sprayer600600
Bug zapper8080
Total3340 W4440 W

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