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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

D-4 direct electric

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Brian

08-21-2003 13:01:20

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I can't find mention in past posts about the cost to convert or the pros/cons of converting from pony start to direct electric on an old D-4. Making a decision on purchase- seller states pony will run but leaks badly, generator is 6v but is shot so I'm wondering about a conversion. I guess there are several leaking seals in the diesel too but I wouldn't be running that hard & could probably buy alot of oil for what the seals & replacement would cost. Any answers or opinions?

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Pete

08-22-2003 07:08:19

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Re: D-4 direct electric in reply to Brian, 08-21-2003 13:01:20

Brian -- I'm no expert, but was recently faced with a similar decision with my D6. What I came away with is essentially: Pros of direct electric -- Much less complicated starting procedure. Once installed, less to maintain/go wrong. If something does go wrong, parts are easier. Cons -- Ether in cold weather -- and even then might not start, or have to fit precombustion chambers with glow plugs. Harder on diesel (with pony, diesel is warm and oil pressure is up before firing.) Have to convert electrical system & fabricate battery boxes. Not original. In my case, I spent about $1800 to totally rebuild the pony and magneto, and now it is wonderful -- works just like Cat says it is supposed to. I'm told that an electric conversion would be about the same $, so given the fact that I'm in a moderately cold climate and prefer to keep things original, I kept the pony. If your diesel is in questionable shape, do you even want the machine in the first place. If you do, a pony will just keep spinning a marginal diesel until it has no choice but to fire off, where as an electric starter only has so many spins in it -- if your diesel is tired you may have to ether it to get her to fire off. Of course, I don't have to tell you that ether is bad on engines and (my opinion at least) should only be used in the most sparing amounts, and only as a patch to get you by 'till rebulid time. Pony parts are available, although sometimes expensive. The acmoc website is an excellent resource for parts and expertise. Hope this helps a little. Pete

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