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DuroStar DS4500DX - Spec Review

The DuroStar DS4500DX is a portable open frame dual fuel generator with a rated wattage of 3500 W and a starting wattage of 4500 W.

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DuroStar DS4500DXDuroStar DS4500DXDuroStar DS4500DXDuroStar DS4500DX
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Price history for the DuroStar DS4500DX
Latest updates:
  • $679.00 - January 16, 2022
  • $820.00 - January 13, 2022
Data source: homedepot.com
Since: January 13, 2022
  • Highest Price: $820.00 - January 13, 2022
  • Lowest Price: $679.00 - January 16, 2022

Description

Powered by a 212cc DuroStar engine, this Dual Fuel generator is excellent for camping, RVs, power on the jobsite, and will run various household essentials such as lights and appliances when the power goes out. (source: DuroStar (opens in a new tab))

Zoom on the DuroStar DS4500DX

In a nutshell, the DuroStar DS4500DX 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
  • Amateur DIY lovers
  • 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

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 DuroStar DS4500DX in use

The DuroStar DS4500DX

Thanks to its dual-fuel technology, the DuroStar DS4500DX delivers 120/240V and offers power and versatility. When gasoline-powered, it benefits from a running wattage of 3500W and a peak wattage of 4500W. When propane-powered, it has 3325 rated watts and 4275 peak watts.

The generator features a simple traditional pull-start mechanism and also a simple and elegant electric starter (battery included). It is rated for a noise of 69 dBA (less noisy than an office).

The DS4500DX, with a fuel capacity of 4 gallons, reaches a run time of around 10.4 hours at 50% load utilizing gasoline (fuel consumption around 0.38 GPH). Alternatively, it can reach a run time of around 8.9 hours (on a 20 lbs tank - propane consumption around 0.53 GPH) with propane.

The quite high THD (<12%) of the DS4500DX makes it unsuitable for powering sensitive electronic devices.

Outlets

The control panel features the upcoming 3 AC outlets:

Duplex 120V 20A (5-20R) GFCI
120/240V 30A (L14-30R) receptacle

Since the DS4500DX bears a twist-lock L14-30R receptacle, it is transfer switch ready: it is easily connectible to a breaker box and can power your home in case of a power outage.

Portability

The DuroStar DS4500DX has a conventional, open frame design, of the following dimensions: L25 x W23 x H22 in, which offers support and allows it to be raised above ground level. The featured design is ideal for the outdoors and all tough environments.

Even though this device may be technically portable (as in movable), manipulation and transportation without special equipment can be a challenge, as it weighs 126 pounds. Nevertheless, it can still be moved quite conveniently with the help of its wheel kit and its folding handle, once it is placed on the ground.

Features

Panel of the DuroStar DS4500DX

The DS4500DX's control panel

The DS4500DX's status and activity may be monitored conveniently via the control panel, as it features a convenient meter showing you voltage, frequency and lifetime hours.

In addition to this info, when the oil level is too low, you will be informed by the featured light indicator.

The fuel level of the generator can be determined quickly, easily, and conveniently with the help of its built-in fuel gauge.

As for its security measures, the device features an automatic low oil shut-off and an overload protection (circuit breaker), letting you use it with a peace of mind.

The DS4500DX also benefits from DuroStar’s CO Alert carbon monoxide shutdown. If CO levels become unsafe or rapidly increase, the generator will automatically shut down, an indicator will light red, and the engine will not restart for 5 minutes. It’s a welcomed additional security feature, but don’t forget to always take your generator outside (opens in a new tab).

Apart from the typical documentation and an owner's manual (opens in a new tab), which lets you start it right away, the DuroStar DS4500DX also is packed along with the following accessories: funnel, propane hose and tool kit.

Emissions

The DuroStar DS4500DX 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.

Product Video

The DuroStar DS4500DX versus other generators

The following charts are provided to give you an idea of how some of the key specs of the DuroStar DS4500DX compare to generators of similar power (between 3000 and 4000 W).

  • At a dry weight of 126 pounds, the DuroStar DS4500DX is one of the heavier devices which can produce between 3000 and 4000 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.
  • Because this generator emits noise as low as 69 dBA, it can be considered to have a pretty average expected noise rating for a device of its power. If noise emissions are one of your priorities, you may be interested in the Cat INV4000E, one of the least noisy generators similarly powerful as this one, rated for 51 dBA.
  • Regarding its autonomy, the autonomy of the DS4500DX, reaching around 10.4 hours at a 50% load, can be considered as low end, compared to other products of a roughly equal output. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Predator 4375, reaching around 16 hours.
  • The run time is important, but also hugely depends on the capacity of the fuel tank and doesn't mean much if we don't talk about fuel consumption as well. Standing at an estimated 0.38 GPH (gallon per hour) at a 50% load, this generator is somewhat average in this area compared to other devices, within the aforementioned wattage range. 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 3000-4000W generators, the DuroStar DS4500DX 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 Alert technology
  • Several accessories included
  • GFCI Outlets
  • Electric start
  • Dual Fuel
AVERAGE SPECS:
  • Acceptable noise (69 dBA)
  • Decent fuel efficiency
WEAKNESSES:
  • No remote start
  • On the heavy side (126 lbs)
  • Relatively low run time

Do you own the DuroStar DS4500DX 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
FuelDual Fuel (gasoline/propane)
Engine212 cc OHV 4-stroke
Starting systemRecoil, Electric
VoltageAC: 120/240V 60 Hz
Power
 GasolinePropane
Running watts3500 W3325 W
Starting watts4500 W4275 W
Running amps (@120/240V)29.2/14.6 amps27.7/13.9 amps
Peak amps (@120/240V)37.5/18.8 amps35.6/17.8 amps
Run time @50% load10.4 h8.9 h
Run time @25% loadUnknownUnknown
Features
GFCI outletsYes
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets
  • 1x Duplex 120V 20A (5-20R) GFCI
  • 1x 120/240V 30A (L14-30R)
DC outletsNo
Data centerVFT
IndicatorsLow oil
Fuel tankMetal, 4 gal
Fuel gaugeYes
Misc
Weight126 lbs
Approx. dimensions (L x W x H)25 x 23 x 22 in
Noise (lower limit)69 dBA
THD< 12%
EmissionsCARB, EPA
SecurityLow oil and overload protection, CO monitoring
Spark arrestorYes
NeutralBonded to frame
Accessories includedFunnel, tool kit, propane hose, battery, and wheel kit
Warranty5 years
SeriesDX

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 DuroStar

The DuroStar brand belongs to DuroMax, a company founded in 2003 and based in Ontario, California. DuroStar generators usually have a DuroMax twin, and only differ in their color scheme and in the factory in which they were produced. While DuroStar generators and engines are manufactured in China, the design and servicing centers reside in the US.

Warranty Information

The DuroStar DS4500DX is covered under a warranty for up to 5 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of DuroStar generators, please consult DuroStar's (DuroMax) warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-844-DUROMAX (844-387-6629).

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 homeSump pump (1/2 hp)10502150
Furnace fan (1/2 hp)8752350
Refrigerator (energy star)1921192
Rice cooker650650
Total2767 W4242 W
For campingRadiant heater13001300
RV refrigerator180600
RV AC (11,000 BTU)10101600
Slow cooker270270
Total2760 W3350 W
For workGrinder14002500
Demolition hammer12601260
Bug zapper8080
Total2740 W3840 W

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