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Re: Pony engine conversion to Elec start
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Posted by buickanddeere on February 04, 2005 at 15:09:57 from (64.10.41.141):
In Reply to: Re: Pony engine conversion to Elec start posted by Markus on February 04, 2005 at 13:59:03:
The cranking engine diesels have a smaller battery box than the 24V start tractors.
A cranking engine in good condition will roll a 70/720/730 in just about any cold weather. A tired cranking engine or one on an 80,820,830 or 840 in cold weather is maxed out.
That's 12 or 14 HP depending who you ask. A 12V starter motor that HP would have to use a larger motor frame than the factory 24V motor's frame.
Now the late Mike Hanley did retrofit his 730 to 12V electric and made it work. It was however a top notch conversion with no details ignored.
He also must have been rolling her over with the decompression then hitting her with fuel and compression with perfect timing before the engine slowed down.
Supposed to use that compression release for starting but I rarely see people use it except when shutting down. That's a whole other issue maybe best left alone.
If you do the conversion get the starter motor with the + and (-) both isolated instead of the (-) fastening inside the starter to the frame. You won't have to change the starter should 24V be needed instead of 12V.
If there isn't an electric coolant heater in that tractor the additon of one would be a huge assist.
Parked inside or where the wind can hit the engine?
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