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Old 03-12-2010, 05:24 AM
VW cat VW cat is offline
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Default Cat gen set advice

Found this Cat D311 gen set for sale from a friend. Says it uses oil but runs and produces power. Pretty firm on $600. Decal says it's 120-240V 3 phase, 30KVA. It's also a pup start and I believe from the early 60's.

Will this unit only power 3 phase equipment? Is it a good buy at this price or does the 3-phase with pup-start kill the value? Phil
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Last edited by VW cat; 03-12-2010 at 05:29 AM. Reason: spelling
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Old 03-12-2010, 05:34 AM
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OLD MAN OLD MAN is offline

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In it's day it was a heck of a piece of equipment. Today, maybe not unless you can get parts cheap and need three phase. There are several John Deere's here running for that price. They were used on sprinkler systems and now they use a water powered generator.
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Old 03-12-2010, 06:28 AM
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The generator will power three phase and single phase loads. I dont know what you are trying to serve with it but 30kva is more than enough for you and your neighbors home.

I would look into fuel consumption. Cant comment on the pup start.
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Old 03-12-2010, 11:13 AM
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VW Cat,

Check in to the Cat sites ACMOC or ACME (just type Caterpillar in google). Those folks can tell you where to find the information you are looking for. At $600 that is less than scrap price. If the engine runs, the engine alone is worth what they want for the whole set. A running pony (pup) is worth the asking price.

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Old 03-12-2010, 11:39 AM
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If I found that deal I wouldn't be typing, I would be digging for my wallet.
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Old 03-12-2010, 06:03 PM
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Surf over to www.AMCOCBB.org, that is the vintage CAT newsgroup. You might want to join but there is a large number of members there that have the 311 gensets. It has the same engine as the D2's used. I know I have one. I even have a manual or two kicking about here somewhere.

Cat wil sell a reprint of the manual for about 30-35 bucks. No not buy from others on EBAY as the reproduction quality sucks.

Alan
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Old 03-13-2010, 05:54 AM
VW cat VW cat is offline
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Thanks for the replies everyone. I called the owner back yesterday to indicate I would take it, but he's not sure if he will sell it for that price now. So I'll have to wait this one out. Phil
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