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Rainier R4400 Spec Review

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The Rainier R4400 is an open frame portable generator with a rated wattage of 3600 W and a starting wattage of 4400 W.

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Description

Life is an adventure. Be prepared with the convenient, gas powered R4400 Electric Start Portable Generator created by Rainier. Why not be ready with a reliable power source when you're needing it the most? From emergency backup use to camping and tailgating, this is the perfect choice as your go-to power supply for open gatherings, outdoor activities, and home use alike. For all that life brings you, the R4400 will keep you connected whether you’re staying in or venturing out. (source: Rainier)

Zoom on the Rainier R4400

In summary, the Rainier R4400 is a portable generator especially useful for:

  • RV travellers looking for even more independence
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout

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 parameters.

Power & Run Time

The Rainier R4400 in use

The Rainier R4400

The Rainier R4400's core is the 212 cc (5.9 hp) Rainier OHV 4-stroke engine, which runs on gasoline. With an output of 120V, it provides a running wattage of 3600W and a peak wattage of 4400W.

At a noise rating of 69 dBA (less noisy than a normal conversation), this generator can be started via a conventional pull-start mechanism, or a simple and elegant electric starter (battery included).

With a full tank, the R4400 can operate for up to 18 hours (fuel consumption around 0.22 GPH), thanks to its fuel capacity of 4 gallons.

The quite high THD (<23%) of the R4400 makes it unsuitable for powering sensitive of electronic devices.

The following are examples of possible devices which the generator will allow you to power simultaneously:Note: The examples above are based on a maximum load of 75% and estimated wattages. The devices also may not be able to start at the same time. For a more accurate estimation, use our wattage calculator.

Outlets

The control panel provides the upcoming 4 AC outlets:

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

With its TT-30R receptacle (TT as in 'Travel Trailer'), this Rainier generator is RV Ready.

Portability

With its dimensions of L23.5 x W23 x H21 in, the conventional, open frame design of the Rainier R4400 offers stability and allows the generator to be raised above ground level. The design is ideal for rough environments and demanding outdoor use.

As the generator's weight is 111 pounds, manually moving it or transporting it may be challenging, despite the fact that it is technically considered 'portable' (movable). Never less, thanks to a wheel kit (⌀8") and a folding handle (a decent solution to its lack of maneuverability), the generator can be easily moved, once placed the ground.

Features

Panel of the Rainier R4400

The R4400's control panel

The R4400's control center features a convenient meter, which displays voltage, frequency and lifetime hours to aid you with the monitoring of its status and activity.

Thanks to a built-in fuel gauge, the generator allows you to quickly, conveniently and easily check the gas level at a glance.

Security-wise, this product benefits from an automatic low oil shut-off and an overload protection (circuit breaker), which gives you a complete peace of mind when using it.

As for its accessories, apart from the previously mentioned features, the Rainier R4400 also comes with the basic documentation and a user manual, allowing you to start it right away.

Emissions

The Rainier R4400 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 therefore, can be used in forested areas.

The Rainier R4400 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Rainier R4400 compare to generators of similar power (between 3500 and 4500 W).

  • As for its weight, the Rainier R4400 weighs only 111 pounds, making it one of the lighter generators in the 3500-4500 rated wattage category. In terms of weight, one of the champions in their power range is the Energizer eZV4500, standing at just 78 lbs.
  • Among the generators of a comparable running wattage, this generator with a lowest noise of 69 dBA can be judged as noisy. 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 Westinghouse iGen4500, whose lowest noise levels reach just 52 dBA.
  • Since the R4400 boasts with a run time of 18 hours at 25% load, it can be safely judged as a device of a higher run time than most generators of a comparable output.
  • 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. This generator has an average fuel consumption among comparably powerful devices, as it reaches 0.22 GPH (gallon per hour) at a 25% load. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.14 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 3500-4500W generators, the Rainier R4400 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
  • RV Ready
  • Electric start
  • Lightweight for its kind (111 lbs)
  • High run time
AVERAGE SPECS:
  • Decent fuel efficiency
WEAKNESSES:
  • No remote start
  • On the noisy side (69 dBA)

Do you own the Rainier R4400 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Where to buy the Rainier R4400?

You can easily buy your Rainier 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 Rainier R4400
Latest updates:
  • $1,210.27 - September 4, 2019
  • $484.11 - September 3, 2019
  • $459.14 - August 23, 2019
Since: August 23, 2019
  • Highest Price: $1,210.27 - September 4, 2019
  • Lowest Price: $459.14 - August 23, 2019

Features and Specifications

General

InverterNo
PortableYes
Parallel capableNo
RV readyYes
FuelGasoline
Engine212 cc Rainier OHV 4-stroke
Starting systemRecoil, Electric

Power

VoltageAC: 120V 60 Hz
Running watts3600 W
Starting watts4400 W
Running amps30 amps
Peaks amps36.7 amps
Run time @50% load13.5 h
Run time @25% load18 h

Features

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

Misc

Weight111 lbs
Dimensions (L x W x H)23.5 x 23 x 21 in
Noise (lower limit)69 dBA
THD< 23%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedNo
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.

Warranty Information

The Rainier R4400 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 Rainier generators, please consult Rainier's warranty policies. Alternatively, you can also contact their Customer Support: support@rainierpower.com.

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