Re: Generator ideas (Home)

Posted by jdemaris on February 01, 2010 at 13:30:34 from (67.142.130.23):

In Reply to: Generator ideas (Home) posted by john in La on February 01, 2010 at 12:37:03:

I don't think there's anything on the market that surpasses the quality of a Detroit Diesel powered Delco gensets. I realize it's not what your're probably looking for though. They were used on rail-cars to power refrigerated box-cars. Run very slow at 1100 RPM and come in 13Kw, 17KW, 20K,30KW, 40KW, and larger. Small ones often sell for around $3000 -$4000 with 2-71s and refurbished, and much cheaper in running condtion with high hours.

The downside to any engine-generator set is . . . if it's big, it's going to be a fuel hog when used at a low load. Not always the same problem with a PTO generator. That because fuel consumption depends only on the size tractor you stick it on, along with load-demand. You can take a 30K PTO generator and stick it on a 28 horse tractor and make up to 15KW just fine, or put it on a 15 horse tractor and make 7-8 KW - and get good fuel economy. Much depends on what you can get buy with. I've run my entire household on a 15 KW PTO generator hooked to a 30 horse tractor, and never heard it work hard.
As to price and quality? Seems there are usually plenty of older and very rugged PTO generator for sale for under $1000. Sometimes well under. I'd take an older unit anytime over some of the new stuff I've seen.
Also, when it comes to gensets with engines. I see many come up for sale cheap that are old, yet most have never been used - and cheap. I bought a 19KW Fairbanks Morse genset for $100 from the local school. Powered by a water-cooled 140 c.i. Continental engine. NEVER ever been used since new. Just cycled twice a year to make sure it ran. That is not unsual. Many stand-by generators spend their lives never being used at all. In fact, my local school - that sold me the Fairbanks Morse had replaced it with a 30KW diesel. Now, that is coming up for bid and it too , was never used - not even once. Our tax dollars hard at work! They've got a 20 million dollar "improvement" going on and decided they ought to have a new diesel three-phase genset that also, will never get used.

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