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Author Topic: Kohler 7CM21-RV generator  (Read 6452 times)
Van
Billy Van Hagen
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89' Silver Eagle 15/40 6V92MUI Boulder City,NV




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« on: July 05, 2012, 12:03:30 PM »

I have available to me right now a 7cm21-rv genny (serial #134213) that I am going to go see, does any one have any exp with this particular model gen? I am ready to step up another rung on the ladder so we can power up both the ac's at once. This would be strictly a trade even deal for my Honda EM-5000 noise maker, owner says the unit runs out fine Undecided Undecided Thanks Ya'll


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« Last Edit: July 05, 2012, 12:47:45 PM by van » Logged

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gus
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« Reply #1 on: July 05, 2012, 01:15:16 PM »

Go online and see if you can find any comments about it, there is usually some good stuff on SS RV boards.

It looks like a noise buggar to me!!
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PD4107-152
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Ash Flat, AR
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« Reply #2 on: July 05, 2012, 02:26:21 PM »

Those are good generators 1800 rpm uses about 1/2 gph of gasoline under load Sonja said ,the motor home you seen in my shop has one  

I thought all these years since 1985 it was a Onan lol not very loud either 2328 hrs showing on the hr meter and Sonja said she never spent a dime for repairs except for oil changes and air filters

 I may go fire that baby up before leaving for Scottsdale just for fun it is the same unit as you posted she ran 2 AC's and the microwave with out problems  

Update Van she did find a bill for $58 upgrading the engine to soild state from the old points system 58 bucks at Camping World unheard of today lol
« Last Edit: July 05, 2012, 02:36:35 PM by luvrbus » Logged

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Van
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89' Silver Eagle 15/40 6V92MUI Boulder City,NV




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« Reply #3 on: July 05, 2012, 02:40:55 PM »

That's good hear Cliff, just spoke to the small engine guru in town, said the same thing, thanks!
Gus, thanks..but I am a retired Army Tanker, I d ;Don't hear that well anywho lol!
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goutoe
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« Reply #4 on: July 05, 2012, 03:05:41 PM »

My kohler generator is very similar not sure of the model no. Mine runs on propane, I have had no problems, It runs great and runs both of my air conditioners, as well as any thing else in the bus, John.
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John & Linda 1977 AM General 6V92 turbo Detroit 3 Speed allison, 40 ft.
Van
Billy Van Hagen
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89' Silver Eagle 15/40 6V92MUI Boulder City,NV




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« Reply #5 on: July 05, 2012, 04:54:29 PM »

Oh well, the owner upped the anty and wanted 3oo cash on top of the trade and I declined.
Ya know that funny tingle ya get when a good deal is Grin about to happen? It wasn't

Thanks yall, mybe next time!
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thomasinnv
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« Reply #6 on: July 05, 2012, 07:12:26 PM »

offer him 150 and see if he bites.
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1977 MCI Crusader MC-8
8V71N/740
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Dave5Cs
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1979 MCI MC5Cs 6V-71 HT-740 Allison, Roseville, CA




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« Reply #7 on: July 05, 2012, 10:35:28 PM »

We have a 15 KW Koler and it runs everything including both A/C's and the Microwave at the same time. That should be a good one too. Koler makes great things.

Dave5Cs Cool
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Bussman84
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« Reply #8 on: July 08, 2012, 06:05:16 PM »

A couple days late i know (story of my life! LOL) But just in case something comes around and you find yourself back looking at this unit again, it is the same unit I mounted in our MC-9. Not overly noisy plenty of power for 2 roof a/c's and microwave. I have no complaints. Also I have all the manuals for this model if you might need some info. Hope this might help.


                  Billy
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1961 Int. Skoolie 345v-8 w/4spd.
1979 MC-9 8v71 HT740
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Van
Billy Van Hagen
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89' Silver Eagle 15/40 6V92MUI Boulder City,NV




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« Reply #9 on: July 09, 2012, 08:29:52 AM »

Thanks Billy, that is good to know. I do have a goal, and getting there will be the toughest part. I have had good luck with our Honda (EM-5000 portable), which had served it's purpose admirably as a portable unit, but now is the time for me to climb one more rung up the ladder and get something more suited for the bus. My goal is to eventually have a 10,000Kw diesel unit, which I cannot afford at this time but will hope to make the transition to an 1800rpm unit capable of running the 2 ac units and have some left over for my other accoutrements Grin the unit I was looking at seemed to fit that bill, but for the owner of said unit a little price gouging seemed to be in order, so I walked ( I can be stubborn too  Grin ) away from the deal. But thank you for the response Wink Smiley

    V-Man
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Van
Billy Van Hagen
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89' Silver Eagle 15/40 6V92MUI Boulder City,NV




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« Reply #10 on: July 14, 2012, 05:48:57 PM »

Thanks to some good advice I decided to go ahead and make the deal for the 7kw Kohler. went and took a look at it, it ran flawlessly and produced good power under load, now to rewire the bus for 50 amp service. Thanks all for the advice!

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« Reply #11 on: July 14, 2012, 06:14:45 PM »

Van, I am happy for you. This will keep you occupied for a few days, LOL. Won't that run 2 ACs? I have a 7.5 Honda in mine and it runs both airs. I bet that is the last generator you buy for a while.

JC
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JC
Invermere, BC
1977 MC5C, 6V92/HT740
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« Reply #12 on: July 14, 2012, 06:22:14 PM »

Good for you Van one thing I see missing the seal around the oil filter they need that, it helps in forcing the air through the fins on the head for cooling just so you know buddy
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Van
Billy Van Hagen
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89' Silver Eagle 15/40 6V92MUI Boulder City,NV




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« Reply #13 on: July 14, 2012, 09:51:26 PM »

Thanks Clifford, I got one for it, pulled the old one out it was dried up.
JC , Yeah for a few days, I already sent parts to the chrome r  Shocked Grin
 This is a good start so that I can finally get rid of that yucky 30 amp Grin But this is just the beginning, 100amp is the eventual goal but this is an improvement. I got no muffler for it (need one Cry ) was thinking up-swept fish tails Shocked , kinda sounds like a sporty now with drag pipes (bus Shocked) Whaddya think? LOL!

 Feeling all tingly now! Wink
   V. Huh
« Last Edit: July 14, 2012, 10:15:06 PM by van » Logged

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Bussman84
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« Reply #14 on: July 15, 2012, 05:41:24 AM »

Van that's great! I beleive you'll be happy with it at least until you get the opportunity to upgrade to the diesel unit. Like I said before same one we're using and have several different manuals for it if you need any info. I'm not real savy on uploading that kind of stuff to the computer but I will do what ever I can to help if needed.


              Best of luck, Billy
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1961 Int. Skoolie 345v-8 w/4spd.
1979 MC-9 8v71 HT740
Southcentral, Kansas
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