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Generator size

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hardwood
Join Date: Dec 2002
Posts: 3583 iowa
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2007-01-09          138610


What size PTO generator in KW's will a 4310 Deere or an "H" Farmall pull without bogging down. Deere is about 32 hp. and an "H" is about 35 hp. Thanks in advance. Frank.

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Generator size

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kwschumm
Join Date: Feb 2003
Posts: 5764 NW Oregon
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2007-01-09          138612


The general rule of thumb for generators is about 2 HP per KW (pto HP in this case) ....

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Generator size

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harvey
Join Date: Sep 2000
Posts: 1539 Moravia, NY
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2007-01-11          138652


When you buy the gen set buy it bigger than what you have HP for.

Bogging down is not a function of the size of generator it is a function of how much electric you are using. As Ken says you'd be able to make about 16-18KW B4 tractor runs out of steam.

A 24 or 30, even a 40 if the deal is right, would be a good size that way you never have to worry about running the gen to the max amps. Over heating the gen because of a marginal size is not good. The price is not that much difference.

I have a 30KW gen with a 35 HP tractor. However I am looking at how to mount the gen to the wood splitter eng so I keep the tractor free, if I need it. Now I'd have much more power than generator. But I have enough gen to do anything for a normal home owner. Just enough gen to run neighbors milking pump should they have a problem.

Currently my main Gen PTO tractor is the 4400 and the "M" is the very short term back up. I'd hate to buy gas for the "M" for an extended period.

....

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Generator size

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hardwood
Join Date: Dec 2002
Posts: 3583 iowa
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2007-01-11          138656


Harvey; I;ve gotten a lot of good advice on building the loft in the shed, and all is apreciated. Murf gave me some good info on being able to keep my larger three phase equipment by using phase converter, but I'm now leaning toward a PTO generator instead. Out of 15 major shop machines I'm moving over here three of them are three phase, these machines are big in physical size plus need lots of infeed and outfeed room, so in a 46X18 shop the basic twelve single phase machines will fit without being in each other's way Two of the three three phase machines are large table saws with traveling tables and the third is a 37 in. widebelt sander. Nothing for sure yet but I think I have a buyer for all three. So latest plan is to sell those and buy back a smaller Powermatic 16 in. single phase open end wide widebelt sander that will fit in the shop. Then rather than overload the limited power source I now have without getting another service thru the power co. I'll buy the smaller widebelt and a generator, so that in times of peak need I can change a switch that cuts off the power co. and makes the shop generatoe dependent and use it that way only when several high AMP machines are running at the same time. The wife is more content with the generator, she has been telling me we need one anyhow. I too have had several different "M" and Super "M"s, they did like their gas. The construction crew completed the loft in two days time now the tin crew comes Monday to line the shop part with steel, those guys really move along. Have a big day. Frank. ....

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Generator size

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harvey
Join Date: Sep 2000
Posts: 1539 Moravia, NY
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2007-01-12          138728


That is a good idea using a gen on the heavy use stuff.

When I need to burn some serious welding rod I also drag out the gen. 5/32 rod tends to get the attention of the electric bill. It just barely makes the 4400 grunt when arc is struck.

Also it is good exercise for the gen and keeps all the polarity and rectifies doin what they are spota do when they need to do it.

At work we have a small generator that will run single or 3 phase. (Don't ask me how Kernal Kill-a-watt does it. He is a magican with electric, probably illegal anyway). It has muscle enough to run about 40/50 HP worth of motors but will only start 1 at a time. A loaded 10hp 3phase motor will really make the engine work. (Sounds like a tractor on a silage blower whith a big wad). ....

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Generator size

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hardwood
Join Date: Dec 2002
Posts: 3583 iowa
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2007-01-12          138729


Harvey; Thanks for your response, I met with the electrician yesterday, he thought the generator was a good idea, one reason being that the house and the shop will be on the same service. When I would be starting the heavier things in the shop that take lots of amps to get them rolling while other things are running I likely would dim the lights in the house and possibly damage some things in the house due to low voltage. Too many machines that start automaticly could kick in when using near peak voltage supply like the air compressor, air conditioner compressor, etc. His thought was that runing one or two machines and having the automatic things kick in would'nt be any problem, but like welding with the smoke exhaust running then the AC kicking in could end up costing me more than a generator. This fellow has done our wiring for years so I really trust his advice. The friend I spoke of earlier who owns the motor shop also sell generators, so soon as time permist I'll pay him a visit. I did do some research on the net and found some nice units, but would just like to buy locally, he has taken care of my motor needs for a long time. Thanks for your input. Frank. ....

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