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Rainier R12000DF (Discontinued)

The Rainier R12000DF is a powerful open frame dual fuel generator with a rated wattage of 9500 W and a starting wattage of 12000 W.

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Rainier R12000DFRainier R12000DFRainier R12000DFRainier R12000DF

This product was discontinued. For your convenience, we decided to leave this page up.
If you were looking to purchase it, you may want to have a look at the Westinghouse WGen9500DF, which has similar specs.
You can also try to find it second hand on eBay, by clicking on the button below.

Description

Dependability is an essential when you're facing the unknown. Rest assured with the Rainier R12000DF, a dual fuel electric start portable generator to provide your home or work area a source of reliable energy. With a heavy duty features, you can count on this robust, yet versatile workhorse to power your air conditioner, sump pump, kitchen appliances, tools, and other small electronics at once. Keep your life up and running with the R12000DF, the high performance choice to count on.

Zoom on the Rainier R12000DF

In summary, the Rainier R12000DF is a powerful portable generator especially useful for:

  • Prudent homeowners who want a backup power source in case of a power outage
  • Professionals who want to ensure that a power failure will not prevent them from working
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
  • RV travellers wishing to enhance their freedom and nomad lifestyle

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 R12000DF in use

The Rainier R12000DF

Thanks to its dual-fuel technology, the Rainier R12000DF delivers 120/240V and offers power and versatility. When gasoline-powered, it benefits from a running wattage of 9500W and a peak wattage of 12000W. When propane-powered, it has 8550 rated watts and 10800 peak watts.

The generator is rated for a noise of 74 dBA (just slightly more noisy than a dishwasher). Its starting mechanisms include a conventional pull-start mechanism and a simple and elegant electric starter (battery included).

As for its running time, the R12000DF, along with its 6.6 gallons fuel capacity, can run for up to 17 hours with a full tank filled with gasoline (fuel consumption around 0.55 GPH). If propane is used, it can operate for up to 11 hours (on a 20 lbs tank - propane consumption around 0.43 GPH).

The quite high THD (<23%) of the R12000DF makes it unsuitable for powering sensitive electronic devices.

Outlets

The control panel provides the upcoming 5 AC outlets:

Duplex 120V 20A (5-20R) GFCI
120V 30A (L5-30R) receptacle
120/240V 30A (L14-30R) receptacle
120/240V 50A (14-50R) receptacle

If you own an RV with a 50-amp service, you can consider this Rainier unit as RV-ready, as it features a 14-50R outlet. Its L5-30R receptacle can also be used for a simple RV connection with an L5-30P to TT-30R adaptor. In addition, as it features a twist-lock L14-30R receptacle, the R12000DF is transfer switch ready: in case of a power outage, you will be easily able to connect it to a breaker box and power your household.

Portability

The design of the Rainier R12000DF is a typical, open frame, with the dimensions of L29 x W24.5 x H24 in, offering support and stability and enabling the possibility of raising it above ground level. This type of design is ideal for tough environments and heavy outdoor use.

Although this generator is technically considered 'portable' (in the sense that it can be moved), its 196 lbs make it incredibly difficult to manually lift and transport. Still, once it is on the ground, its wheel kit (⌀10") and its folding handle can easily solve the issue of low mobility and allow for easy relocation of the device.

Features

Panel of the Rainier R12000DF

The R12000DF's control panel

The control panel of the R12000DF includes a convenient meter, which displays voltage, frequency and lifetime hours, helpful for 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.

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).

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 R12000DF's packaging.

Emissions

The Rainier R12000DF 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.

The Rainier R12000DF versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Rainier R12000DF compare to dual fuel generators of similar power (between 9000 and 10000 W).

  • As far as its dry weight is concerned, the Rainier R12000DF weighs just 196 pounds and thus, it is one of the lightest 9000 to 10000 rated wattage dual fuel generators.
  • Since the generator's noise is rated at 74 dBA, it has the roughly average expected noise for a device of similar type and power. If noise emissions are one of your priorities, you may be interested in the A-iPower SUA12000ED, one of the least noisy generators similarly powerful as this one, rated for 69 dBA.
  • The R12000DF provides one of the highest run time among similarly powerful dual fuel devices, reaching around 12 hours at 50% load.
  • Even though run times are undoubtedly important, they are dependent on the fuel capacity to a large extent. For a more wholesome picture, we must take into consideration the fuel consumption of the generator. This generator, with an estimated fuel consumption of just 0.55 GPH (gallon per hour) at 50% load, is one of the most fuel efficient generators, for the previously mentioned wattage range.

The bottom line

STRENGTHS:
  • GFCI Outlets
  • Electric start
  • Dual Fuel
  • Lightweight for its kind (196 lbs)
  • High run time
  • Fuel efficient
AVERAGE SPECS:
  • Acceptable noise (74 dBA)
WEAKNESSES:
  • No remote start

Do you own the Rainier R12000DF 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)
Engine457 cc Rainier OHV 4-stroke
Starting systemRecoil, Electric
VoltageAC: 120/240V 60 Hz
Power
 GasolinePropane
Running watts9500 W8550 W
Starting watts12000 W10800 W
Running amps (@120/240V)79.2/39.6 amps71.3/35.6 amps
Peak amps (@120/240V)100/50 amps90/45 amps
Run time @50% load12 hUnknown
Run time @25% load17 h11 h
Features
GFCI outletsYes
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets
  • 1x Duplex 120V 20A (5-20R) GFCI
  • 1x 120V 30A (L5-30R)
  • 1x 120/240V 30A (L14-30R)
  • 1x 120/240V 50A (14-50R)
DC outletsNo
Data centerVFT
IndicatorsNo
Fuel tank6.6 gal
Fuel gaugeYes
Misc
Weight196 lbs
Approx. dimensions (L x W x H)29 x 24.5 x 24 in
Noise (lower limit)74 dBA
THD< 23%
ComplianceCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedPropane hose, battery, and wheel kit
Warranty3 years
UPC853544008137

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 R12000DF 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 homeSump pump (1/2 hp)10502150
Furnace fan (1/2 hp)8752350
Refrigerator (energy star)1921192
Clothes dryer54006750
Set of 5 LED light bulbs5555
Total7572 W9047 W
For campingRadiant heater13001300
RV refrigerator180600
Hair dryer18001900
Electric grill16501650
Microwave (1000 watts)15001500
RV AC (11,000 BTU)10101600
Radio100100
Set of 5 LED light bulbs5555
Total7595 W8185 W
For workTable saw18004500
Air compressor (1 hp)16006100
Grinder14002500
Demolition hammer12601260
Disc sander12001200
Bug zapper8080
Total7340 W11840 W

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