Model RD906812

Features

  • GenSmart™ Digital Display – Tracks Usage, Load, Voltage, Hertz, and Engine Maintenance
  • Removable Control Panel with Electric Start
  • Powered by a Yamaha 357cc OHV Commercial Engine
  • Large 7 Gallon Steel Fuel Tank for Up To 9.5 Hours of Runtime at 50% Load
  • Idle Down Technology Automatically Adjusts Power Output for More Efficient and Quieter Operation
  • Safe for Sensitive Electronics – Less Than 6% THD
  • Zero Gravity Hand Truck Frame Design for Ease of Mobility
  • Armour™ Heavy-Duty Alternator with Auto Voltage Regulation
  • (4) 120V 20 Amp (GFCI Protected), and (1) 240 V 30 Amp Twist Lock Outlet
  • 12 in x 4 in Flat Free Foam Filled Wheels with Steel Rim

Specifications

Running Watts / Starting Watts 6,800 W* / 8,500 W
AC Voltage / AC Frequency 120 V / 240 V, 60 Hz
Engine Yamaha Commercial Grade MZ360 OHV
Displacement 359cc
Rated Amperage 56.7 A / 28.3 A
Fuel Tank 7 Gal
Run Time 9.5 hours at 50% load
Warranty 3 Year Limited Warranty
Weight 245 lbs
Height 26 in.
Width 23 in.
Length 36 in.
Total Harmonic Distortion Less Than 6%
Rated 5 out of 5 by 9 reviewers.
Rated 5 out of 5 by Great Generator I got this generator to replace another brand (...and another brand). I have a couple of other Ridgid power tools, and their reliability led me to this purchase. We're off grid, and use the generator as backup power and battery charger during extended cloud and snow days. I also use it for heavier loads in the shop, such as welding, or when using the compressor for a nail gun while cutting with the table saw or chop saw. It works flawlessly. This unit starts reliably and delivers clean power whenever needed. When the start battery died, and it's a battery so eventually will, the Yamaha engine started quite easily by hand, considering the size of the motor... and I'm pushing 60. Even at zero degrees outside, it starts on the second pull. As with most medium sized portable generators, it's not very quiet. It's especially not as quiet as an inverter generator, but it's not as loud as my last one, which was smaller with less power. The "idle down" feature helps when using it for shop work, since it doesn't run at 3600 RPM when tools are off, and it's pretty quiet when idling. The "zero gravity" design helps in moving it around, but it's still a chore to pull it up a hill or slope. We live in the mountains, and it's heavy. Pulling is easier than pushing, if going up. As well as it works, it's weight is a minor inconvenience for the power it provides. I like the display, as it includes a reminder when to change motor oil. It flashes across the top of the screen when it's time for service. All in all, it's a great generator. Buying cheap tools will have one replacing them time and again. I know. It will be less expensive to just buy a good unit the first time, instead of buying multiple duplicate items. I highly recommend the Ridgid 6800/8500 watt generator. ...One last thing- someone complained in the "comments" section about how they had problems when their recoil start rope broke. He disassembled it more than necessary. If/when it happens, remove the recoil housing with the four 10mm bolts, then pull the rope from the spool. Don't remove the spool. Have approximately 5' of replacement 3/16" braided rope on hand with a knot on one end. Looking at the housing from the underside, turn the spool counter-clockwise to put tension on the spring, then around once more to where the holes for the rope on the housing and spool line up. It's easy to 'feel' the correct tension. Have a helper or wedge hold the spool from unwinding, and feed the new rope through both holes to the outside, then feed rope through pull handle and tie another knot to hold in place. Gently allow the spool to retract the rope under spring pressure. Again, DON'T take the spool off the housing, or the spring will be near impossible to wind. It works for most any pull start small engine, including this one... I just replaced it even though it's still under warranty. Anyhow, buy this generator... it's a great tool. January 22, 2015
Rated 5 out of 5 by This generator is easy to start and is quiet when running. Bought this generator to replace a 35kw that could not support the load to satisfy all things I want operating during outages. I can run frig, freezer, satellite receiver, TVs and of course lights / outlets. One of the best features is the battery starter. I didn't want something I had to pull a cord to start. I was very surprised with the volume of this machine vs. the 35kw ..... it actually not as loud as the 35kw. Good buy, quality Ridig product. November 24, 2014
Rated 5 out of 5 by Awsome Product This is just what I needed.I had to purchase it out of state, a two hour drive both ways. It was well worth the trip. It is extremely easy to use and powers the medical equip that I need, as well as other necessary items. When the emergency arose another well known, brand of generators did not cut it. However on that night after a 4 hour drive RIDGID came through for me. Is the any other tool ? NO . I also purchased a table saw after the generator. I had a top of the line table saw by another well known, company. I had strip it all down and repair it three times. I am not a carpenter just a home owner. The table saw is well worth the money. Now I check to see if RIDGID make a tool before I buy it. It is a waste of money to buy anything else. Capt. Sinbad USCG Ret November 24, 2014
Rated 5 out of 5 by appears to have great features Product seems easy to use as a female that is what I look for. November 24, 2014
Rated 5 out of 5 by durable Replaced my old Toro with a rigid was best move I had made in a long time durable and reliable when needed!! November 24, 2014
Rated 5 out of 5 by Awesome Generator! Excellent machine. Easy to use and can load my entire house. Has the idle down to save fuel when not needed. The electric start is awesome so the wife doesn't have any issue starting it. November 24, 2014
Rated 5 out of 5 by Works Great This was the first generator I have ever owned. Works great the few times I have used it. Starts with ease and runs great. Highly recommend. November 24, 2014
Rated 5 out of 5 by Runs my 3400SF home I live in a 3400 sq ft Colonial home in rural New England and, due to winter weather, use my generator 12-20 days each year. I purchased this Ridgid 6800 watt generator to replace the Kawasaki GE5000 generator that my late father-in-law bought in 1984. The Ridgid is easy to assemble, easy to connect and easy to start. My old 5000 watt generator would run pieces of the house but his unit has really covered the gaps. I now run the heat (2 air handlers, 4 zones), the water pump, all the outlets, all lights, 5 LED TVs, 2 refrigerators, a chest freezer and a microwave with no issues. It is a little pricier than some of the competitors but I did a lot of research and would highly recommend this generator for the homeowner looking for an easy to start and run unit. January 1, 2014
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9 Questions | 8 Answers

Product Q&A

 
 
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Please confirm if the plug conforms to the L14-30 connection type?
1 year, 10 months ago
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New York
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Answer: 
The RIDGID RD906812 generators 240V 30 Amp twist lock outlet is a Nema L14-30P type connection.

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RIDGID
1 year, 10 months ago
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Answer: 
The outlet connection is an L14-30R. The plug needed to connect to it is an L14-30P. You can buy the plug separately or you can buy a 25" extension cable with the L14-30 connections at Home Depot.
1 year, 8 months ago
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Thompson, CT, USA
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Does this gen-set use 100% copper windings in the power head? Is this a brush or brush-less design? How is the voltage regulated? Does this gen-set have a fuel gauge? What type of lubrication system does the Yamaha engine use? full pressurized, slinger, semi pressurized?
1 year, 5 months ago
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NY
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Answer: 
There is no information provided by engineering concerning the gen-head winding composition, due to design proprietary concerns. The RD906812 model generator has brushes, and does not have a fuel gauge feature. All engine related questions the customer may have would need to be addressed for the customer by the engine manufacturer Yamaha at, 1-866-788-7398.

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RIDGID
1 year, 5 months ago
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9 months ago
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Answer: 
Thank you for your interest in RIDGID!

Can you please tell us what the model number on the unit is and the serial number? Are you trying to set up a trickle charge in storage or as the unit is running? Please send us the details at [email protected]

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RIDGID
9 months ago
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I actually have a RD906814P from Home Depot and I probably will not be using this except during power outages. If i run it for 15 minutes or so a month will that keep the battery charged? Should I get a trickle charger and if so, can you recommend one?
7 months ago
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Evans, GA, USA
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Answer: 
Thank you for contacting RIDGID.

Yes it will charge as it is running. 15 -20 minutes per month run time should be adequate, however our concern is the state of the fuel left in the tank over an extended period, unless a stabilizer has been added. To be absolutely sure the battery is fully charged, a battery tender could be used. There are numerous battery tenders on the market, and as to a selection of which brand to purchase we would suggest checking the online reviews for each product, before making a decision.

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RIDGID
7 months ago
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1 answer

battery charging

Does the generator charge the battery while it is running?
9 months ago
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Belvidere, IL, USA
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Answer: 
Thank you for your interest in RIDGID!

Yes, the RD906812A or B has a charge coil in the engine and charges battery when running.

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RIDGID
9 months ago
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