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Kohler 7.5RM061?


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  #1  
Old 05-31-2017, 01:06:23 PM
stew00 stew00 is offline
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Default Kohler 7.5RM061?

Can someone please help me identify this? It is for sale near me and I am thinking of making an offer... Don't know what it is other than 7500..
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  #2  
Old 05-31-2017, 04:45:59 PM
Vanman Vanman is offline
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Default Re: Kohler 7.5RM061?

Can't help much, but the serial number comes up as 1969.

"R" means remote start capable, a nice feature.

"M" should mean air cooled. Is that an air cooled Lister Diesel? Others will know for sure. Certainly looks like a diesel- don't see a carburetor.

Keith
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Old 05-31-2017, 08:03:36 PM
Kevin K Kevin K is offline
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Default Re: Kohler 7.5RM061?

It's a diesel. I'm not sure what kind. Looks like a Lister.

7.5 - 7.5Kw
R - Remote Start
M - air cooled
O - Diesel fuel
61 - 120/240 volts single phase
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Old 05-31-2017, 08:10:12 PM
jack0 jack0 is offline
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Default Re: Kohler 7.5RM061?

Nice. Lister on the rocker covers. Truly a very rare find. The Holy Grail. If its been covered from the elements, I'd make the guy an offer. These units don't come up very often. Good luck.
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Old 05-31-2017, 09:50:49 PM
I like oldstuff I like oldstuff is offline
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Default Re: Kohler 7.5RM061?

Buy it. It'll last another lifetime. Good on fuel but a noisy sucker with all the diesel mechanicals.
A totally reliable unit with no electronic boards or discreet components to fail.
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Old 05-31-2017, 10:48:03 PM
moteurdelco moteurdelco is offline
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Default Re: Kohler 7.5RM061?

Lister sr2,armature cranking,with a current transformer to regulate voltage via a selenium rectifier. good,but noisy.
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Old 05-31-2017, 10:59:40 PM
stew00 stew00 is offline
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Default Re: Kohler 7.5RM061?

What would be a price for it? Running and not running. I have some old Onan generators and am pretty versed on which ones are desirable and their value.. I am new to these old Kohlers...
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Old 05-31-2017, 11:56:00 PM
Vanman Vanman is offline
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Default Re: Kohler 7.5RM061?

You'll want to replace the selenium rectifier with a silicon rectifier. Extremely cheap insurance (a couple bucks) against ruining the compounding transformer. The selenium rectifier is the only weak link with that generator.

Can't help with the value. If the Lister Diesel ones are uncommon, there are probably not any to compare with. Maybe similar to an Onan DJB, except with a better generator- no electronic AVR waiting to fail.

Keith
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Old 06-01-2017, 09:54:37 PM
jack0 jack0 is offline
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Default Re: Kohler 7.5RM061?

For what the guy is asking. I would think is a very reasonable price. If it turns over, so much the better. Maybe he'll throw in the trailer. Call him, go do some checks and agree on a price. I wouldn't wait to long. There is no blue book on the Kohler-Lister.
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Old 06-02-2017, 08:53:13 AM
LWB250 LWB250 is offline
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Default Re: Kohler 7.5RM061?

These are built like a brick doghouse. Buy it, it will outlive you if you care for it properly.

Dan
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