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Farmall & IHC Tractors Discussion Forum

186 Hydro Repower Options

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Mark in 'sconsin

03-19-2007 13:58:00

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Hey all I was wondering if anyone had any good advice as to what the best solution would be for a 186 Hydro with a hole in the block. I was thinking about a 5.9 Cummins repower but I'm unsure as to how much work that would be to retrofit and if I want to put that much time and effort into it. Would it be lots easier just to hunt down a good block or complete engine that will bolt right in? Has anyone tried a Cummins repower in a Hydro; will it work?

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Sheepdog in NE

03-19-2007 19:31:44

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 Re: 186 Hydro Repower Options in reply to Mark in 'sconsin, 03-19-2007 13:58:00  
DO NOT put in it a higher horse power engine. The hydrostatic pressure valves will end up popping and or the oil will get too hot. If you keep it at rated h.p. no problem. I'd stay with the IHC setup.

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Mark in 'sconsin

03-20-2007 14:48:51

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 Re: 186 Hydro Repower Options in reply to Sheepdog in NE, 03-19-2007 19:31:44  
If I put in a motor from a combine it'd be about 175 HP--Can I just ditch the turbo and turn down the fuel pump or do I have to do some other stuff to limit the power output?

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Sheepdog in NE

03-20-2007 18:57:04

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 Re: 186 Hydro Repower Options in reply to Mark in 'sconsin, 03-20-2007 14:48:51  
Run it on a dyno and set the HP. The guy running the dyno will be smarter than me. But I think you are on the right track. Not sure if you have to lose the turbo and/or just turn down the fuel. Depends if you have a non-turbo exhaust manifold. The engine from the combine will be what cid? The 1066's we run have 125 ponies at the pto. They have turbos and 414 motors. Maybe the fuel pump could be used off your original motor.

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