While jumping a 6 volt tractor from a 12 volt vehicle is not recommended (there's a risk of the both 6 volt and 12 volt battery exploding if done improperly) it can be done.
Several precautions:
1 - Wear safety glasses, and keep bystanders well back.
2 - Shut down the 12 volt tractor engine before making any jumper cable connections. Leave it shut down while cranking the 6 volt tractor.
3 - Now proceed as follows:
Make all the jumper cable connections EXCEPT the frame (ground) connection at the 6 volt tractor.
Next, with the 6 volt tractor throttle set at slow idle, hit its starter and make the final jumper cable connection at the same time (expect an arc when you make the connection!)
The instant engine fires, release the starter button and IMMEDIATELY disconnect the ground jumper cable. Do this to prevent the 6 volt tractor's voltage regulator cutout from closing with 12 volts present in the system, possibly burning the VR's contacts.
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Today's Featured Article - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
... [Read Article]
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