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Tracy Martin TN 
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Joined: 11 Sep 2009
Location: Gallatin,TN
Points: 10576
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 Topic: Onan cck engine rpm's?
Posted: 17 Aug 2015 at 8:37pm |
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I have a Onan CCK engine on a generator. Low hours and very clean. It says RPM's is 1800, would it stand to be turned up to the 3600 rpm's like the CCKA and CCKB engines? Thanks Tracy
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No greater gift than healthy grandkids!
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SHAMELESS
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Joined: 13 Sep 2009
Location: EAST NE
Points: 29486
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Posted: 20 Aug 2015 at 1:25am |
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prolly engineered to only do 1800 RPM;s for maximum generation!
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jaybmiller
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Joined: 12 Sep 2009
Location: Greensville,Ont
Points: 21670
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Posted: 20 Aug 2015 at 6:32am |
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Generator MUST turn at 1800 RPM to get 60 cycle power ! If you spun at 3600, you'ld generate 120 cycle power and probably damage anything plugged into it.Draw enough of a load and the genny will self destruct ($$$$$$$$).
If you need to replace or repower the genny you 'could' put a 2:1 reduction unit between the engine and genny......also 3600 RPM engines tend to be noisier than 1800 RPM ones.
Jay
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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Tracy Martin TN
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Joined: 11 Sep 2009
Location: Gallatin,TN
Points: 10576
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Posted: 20 Aug 2015 at 9:59pm |
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I am not going to use the generator. I want to transplant the engine in a AC 616. I know the crank and rods have to swap. Not sure about governor and cam.Any help appreciated. Tracy
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No greater gift than healthy grandkids!
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Steve in NJ
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Joined: 12 Sep 2009
Location: Andover, NJ
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Posted: 27 Aug 2015 at 7:04am |
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I would think its pretty much the same engine and the rpm factor wouldn't be to critical. Like the guys mentioned, because its attached to a Generator, that's the reason for the lower rpms due to the Generating purposes. The only thing that I would be concerned with is the pulleys used on the Garden Tractor vs the Gennie. If the 616 had an engine and its bad, you may be able to swap over the pulleys to the Generators engine. Not sure bout' the crankshaft. You might have to do a little R&D on that Tracy to make sure things will interchange....
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39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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