11-amp generator

Bern

Well-known Member
Location
Mount Vernon, WA
Anyone ever seen a real live 11-amp generator before on a 2-5000 series tractor? I've seen references to them in the service manual and parts book, but never one in the flesh. Yesterday I saw one on a 4000 that I picked up. Notice no fan or ventilation slots like the 22-amp version has.

11 amps would be just enough to keep two dim candles lit on the front, and that's about it! Of course, with LED lights nowadays, it just might work!
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Hi Bern, that was the standard generator in 1964-65 when the X series was introduced, it was not until the Y series in 1968 that they got the 22 amp dynamo. There was always a bit of excitement if you got the regulators mixed up, an 11 amp on a 22 amp dynamo was OK but you let the expensive smoke out if you used a 22 amp regulator on an 11 amp dynamo.

As you say, no ventilation holes on the 11 amp versions.

Back then we always fitted a new regulator every time we put on a new dynamo.

Brian
 
(quoted from post at 13:31:28 07/27/21) Anyone ever seen a real live 11-amp generator before on a 2-5000 series tractor? I've seen references to them in the service manual and parts book, but never one in the flesh. Yesterday I saw one on a 4000 that I picked up. Notice no fan or ventilation slots like the 22-amp version has.

11 amps would be just enough to keep two dim candles lit on the front, and that's about it! Of course, with LED lights nowadays, it just might work!
<img src=https://www.yesterdaystractors.com/cvphotos/cvphoto95731.jpg>

<img src=https://www.yesterdaystractors.com/cvphotos/cvphoto95732.jpg>
ore than one reason that Lucas was called "the Prince of Darkness".
 
According to the service manual dated February 1966, both the 11 as well as the 22 amp versions were available. I'm thinking the 22 amp was optional back in 1965, and became standard in 1968?

Interesting that you call it a dynamo sometimes. Is that word used interchangeably with generator in England?
 
It has always been a dynamo here right from the time I had a wheel driven one on my bicycle. Generators were for serious power like power stations.

The 22 amp version did not make an appearance here until 1968 for some reason although it was available on cars and other makes.

Brian
 
(quoted from post at 00:04:01 07/28/21) According to the service manual dated February 1966, both the 11 as well as the 22 amp versions were available. I'm thinking the 22 amp was optional back in 1965, and became standard in 1968?

Interesting that you call it a dynamo sometimes. Is that word used interchangeably with generator in England?
hat "D" in the diagram isn't "ARM" "D"
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for dynamo
 
When I worked at the local stealership, the 22-amp version was all we stocked when it came to remans. Meaning, it's entirely possible that
either one or both of the machines you listed could have originally come with an 11-amp model and got converted to 22 when the original
needed replacing. That the one I have now made it over 50 years without being replaced is a real mystery to me.
 
I changed the 11 amp Lucas dynamo on my Major a couple of years ago after 68 years of service. The Lucas starter got serviced last year so that would be 69 years of service. The tractor still has the original Lucas regulator.

My experience with Delco built electrics, I have a generator, 32 V Delco Light plant which is 100 years old and still working perfectly but the Delco starters on the X series Fords barely made 10 hours before failing and being replaced with ....... Lucas ones. ;0)
 

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