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Generator Mount Rear Bumper Mount Question

#1 User is offline   tcoyle2 

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Posted 23 December 2007 - 06:43 PM

Investigating installing a 3000 Watt generator on the rear bumper of a 26RKS Outback and wonder if it will support the weight (150lbs). The width of the generator is only about 17 & 1/2" and I would move my spare to one side and then place the mount over the 3 & 1/2" bumper. Should only stick out about 14" which is only 6" or 7" beyond where the spare is now. I think the rear bumper is steel but wonder if anyone has done this or has a recommendation.

Thanks

tim

#2 User is offline   battalionchief3 

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Posted 23 December 2007 - 07:12 PM

Not unless you reinforce it with some extra gussets and a god welder. It would bounce up and down and eventually rip off your bumper. You cant even monut a bike rack off the back unless you beef it up or that too will be highway debris.
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#3 User is offline   tcoyle2 

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Posted 23 December 2007 - 07:19 PM

View Postbattalionchief3, on Dec 23 2007, 05:12 PM, said:

Not unless you reinforce it with some extra gussets and a god welder. It would bounce up and down and eventually rip off your bumper. You cant even monut a bike rack off the back unless you beef it up or that too will be highway debris.


Wow. Thanks for the feedback. Thought I might be asking for trouble.

tim

#4 User is offline   GarethsDad 

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Posted 23 December 2007 - 07:35 PM

I made a hitch and bolted it to the TT under the stock 4" tube. I also moved the spare tire to the right. With the generator and 14 gallons of water in the basket I can step on the back edge of the carrier with out it flexing. you can see pictures in my albums http://www.outbacker...p...r&user=5244 . James
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#5 User is offline   PDX_Doug 

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Posted 23 December 2007 - 08:31 PM

Tim, you can certainly build a rack to support that much weight off the back of your Outback (many around here have), but I would not recommend trying to hang it on the OEM bumper. For what it's worth, In Keystones eyes, that is a HUGE no-no!

Search around the site a bit, and you will find several very effective solutions to your idea. There are some pretty sharp people in the family. thumbright

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#6 User is offline   Carey 

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Posted 23 December 2007 - 09:05 PM

Here is what I have done. Ive had 600 lbs on this thing to pull tongue weight off the front for my hitch testing.. its very strong.

Click

Carey

#7 User is offline   BoaterDan 

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Posted 23 December 2007 - 10:57 PM

Assuming you make the mount strong enough (which is certainly possibly), you still have to worry about the potentially drastic and dangerous change to the tongue weight.
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#8 User is offline   Carey 

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Posted 23 December 2007 - 11:33 PM

View PostBoaterDan, on Dec 23 2007, 08:57 PM, said:

Assuming you make the mount strong enough (which is certainly possibly), you still have to worry about the potentially drastic and dangerous change to the tongue weight.



A 150 lb gen with a 75 lb mount/bumper removed only 80 lbs off of the tongue weight on my rig to let you know. But like Dan says, if you are at a 10-12% percent tongue weight right now, could be in trouble with a new bumper and generator.

What is your present tongue weight right now?

Carey

#9 User is offline   Oregon_Camper 

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Posted 24 December 2007 - 01:07 AM

I had a hitch bolted to my Outback frame. Cost about $200....now I know for sure I can carry heavy stuff back there but I have to think through what I put back there for tongue weight.

#10 User is offline   freefaller25 

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Posted 24 December 2007 - 10:17 AM

Hi Tim, definitely not to the bumper as everyone has already mentioned. We mount the setup shown on a receiver welded to the back of the Outback. Our hitch setup is pictured in the CAD model. A junk yard hitch section, some plate, a torch, and a welder are needed. If you can get one mounted for $200 then go for it unless you have tools and time for steel work. Several have accomplished the same type setup in other equally effective ways.

Tony


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#11 User is offline   Oregon_Camper 

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Posted 24 December 2007 - 05:10 PM

That is the same rack I have for my Outback....works GREAT.

#12 User is offline   HootBob 

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Posted 25 December 2007 - 07:21 AM

I would lean more towards like Firee44(Gary)did


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#13 User is offline   Oregon_Camper 

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Posted 25 December 2007 - 06:25 PM

View PostHootBob, on Dec 25 2007, 04:21 AM, said:

I would lean more towards like Firee44(Gary)did


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Don



Holy smokes...that thing must be VERY VERY stable. Great looking rack! thumbright

#14 User is offline   TwoElkhounds 

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Posted 26 December 2007 - 01:38 PM

View Postfreefaller25, on Dec 24 2007, 10:17 AM, said:

Hi Tim, definitely not to the bumper as everyone has already mentioned. We mount the setup shown on a receiver welded to the back of the Outback. Our hitch setup is pictured in the CAD model. A junk yard hitch section, some plate, a torch, and a welder are needed. If you can get one mounted for $200 then go for it unless you have tools and time for steel work. Several have accomplished the same type setup in other equally effective ways.

Tony

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I was actually thinking of doing something very similar to this for mounting a generator on the back of our 25RSS. I am going to weld to the frame in a similar manner as shown in the drawing. However, I was also planning on welding the 2" receiver to the bottom of the bumper. Not so much for weight support, but just for stability. We are planning on getting a Yamaha 3000 and I am a little concerned that having a 200lb load (generator plus rack) hanging off such a long, unsupported span might be a problem. I imagine it gets pretty rough and bouncy back there and there would be quite a bit of torsional stress on the tow bar. Hate to have the setup fail while I was driving down the road. Probably not nearly as much as the person behind me that suddenly has a 150 lb generator flying at them.

Also a bit concerned about tongue weight (25RSS is a bit light here to begin with) though I plan on compensating as much as possible for this with how I load the trailer.

Any thoughts? Advice?

DAN
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