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Rainier R4400DF Spec Review

The Rainier R4400DF is a portable open frame dual fuel 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 dual fuel R4400DF 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 R4400DF will keep you connected whether you’re staying in or venturing out.

Zoom on the Rainier R4400DF

In summary, the Rainier R4400DF is a portable generator especially useful for:

  • RV travellers who wish to upgrade their experience to another level
  • People occasionally participating in outdoor fairs, festivals or events
  • Homeowners in need of an emergency backup power for their essentials

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 Rainier R4400DF in use

The Rainier R4400DF

The dual-fuel technology of the Rainier R4400DF allows for an output of 120V and provides superb power and versatility. If gasoline-powered, the device provides a running wattage of 3600W and a starting wattage of 4400W. If propane-powered, it gives 3300 rated watts and 4000 starting watts.

The generator is rated for a noise of 69 dBA (less noisy than background music). Its starting mechanisms include a conventional pull-start mechanism and a simple and elegant electric starter (battery included).

The running time of the R4400DF, with its 4 gallons fuel capacity, can reach up to 18 hours on a full tank of gasoline (fuel consumption around 0.22 GPH). With propane, it can reach up to 11 hours (on a 20 lbs tank - propane consumption around 0.43 GPH).

Since the R4400DF has a somewhat high THD (<23%), it is advisable to not use it for the powering of sensitive electronic devices.

Outlets

The control panel features the upcoming 4 AC outlets:

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

Thanks to its TT-30R receptacle (TT stands for '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 R4400DF offers stability and allows the generator to be raised above ground level. This type of design is ideal for tough environments and heavy outdoor use.

Even though this device may be technically portable (as in movable), manipulation and transportation without special equipment can be a challenge, as it weighs 113 pounds. However, this lack of maneuverability is compensated by its wheel kit (⌀8") and its folding handle, with which you can conveniently shift it, once it's on the ground.

Features

Panel of the Rainier R4400DF

The R4400DF's control panel

The R4400DF's status and activity may be monitored conveniently via the control panel, as it features a convenient meter, which displays voltage, frequency and lifetime hours.

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

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

Besides the usual set of documentation and owner's manual (opens in a new tab) to get you promptly started, Rainier also included a propane hose in the R4400DF's packaging.

Emissions

The Rainier R4400DF 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 thus, may be used in forested areas.

Product Videos

The Rainier R4400DF versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Rainier R4400DF compare to generators of similar power (between 3500 and 4500 W).

  • With a dry weight of 113 pounds, the Rainier R4400DF finds itself in the expected weight range for generators able to produce between 3500 and 4500 rated watts. In terms of weight, one of the champions in their power range is the WEN GN400i, standing at just 66.1 lbs.
  • When compared to devices able to produce a similar running wattage, this generator and its lowest emitted noise of 69 dBA is on the noisier side. 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.
  • Offering up to 18 hours of running time on a full tank at 25% load, the R4400DF is within the average autonomy range of similarly powerful generators. Concerning the run times, one of the several devices with a comparable output, offering the highest autonomy, is the Champion 200954, which is able to run for up to 22 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. As this generator uses an estimated 0.22 GPH (gallon per hour) at a 25% load, it finds itself in the average gasoline consumption range of similar products. If fuel consumption is your top priority, we suggest to check out the Westinghouse iGen4200, which has a fuel consumption of only 0.14 GPH and thus, is one of the most efficient devices in our database.

Price comparison

As you can see from this interactive chart, when compared to other 3500-4500W generators, the Rainier R4400DF 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
  • Dual Fuel
AVERAGE SPECS:
  • Decent weight (113 lbs)
  • Decent run time
  • Decent fuel efficiency
WEAKNESSES:
  • No remote start
  • On the noisy side (69 dBA)

Do you own the Rainier R4400DF 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 readyYes
FuelDual Fuel (gasoline/propane)
Engine212 cc Rainier OHV 4-stroke
Starting systemRecoil, Electric
VoltageAC: 120V 60 Hz
Power
 GasolinePropane
Running watts3600 W3300 W
Starting watts4400 W4000 W
Running amps30 amps27.5 amps
Peaks amps36.7 amps33.3 amps
Run time @50% load13.5 hUnknown
Run time @25% load18 h11 h
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets
  • 1x 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
Weight113 lbs
Approx. 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 includedPropane hose, battery, and wheel kit
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.

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About Rainier

Rainier Outdoor Power Equipment, LLC is a subsidiary of Midwest Equipment Sales, LLC, based in Ohio, USA. Midwest Equipment Sales has over 150 combined years of experience in the business of supplying high quality products to the heavy construction industry, including equipment for outdoor power needs. They also manage the Westinghouse brand of portable generators, so one might expect similar quality of the Rainier brand. The Rainier brand of portable power products are available exclusively through Amazon.

Warranty Information

The Rainier R4400DF 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 contact the Rainier Customer Support: 1-844-202-2411.

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 homeDish washer15003000
Refrigerator (energy star)1921192
Vacuum cleaner10751175
Radio100100
Total2867 W4367 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Electric grill16501650
Total2840 W3430 W
For workGrinder14002500
Demolition hammer12601260
Bug zapper8080
Total2740 W3840 W

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