Posted by Charlie M on May 21, 2017 at 05:11:36 from (50.49.146.193):
In Reply to: Farmall Super A help posted by HVFDfirefighter on May 21, 2017 at 04:16:41:
With an alternator your tractor is probably 12V. To get a tractor to turn on 6 volts requires heavy battery cables in good clean shape and yours probably aren't. On the distributor side that black thing you are seeing is the coil. To make 12 volts work on what used to be a 6 volt system you either have to add a resistor to get the voltage at the coil down to 6 volts or a coil that has internal resistor. Resistors do go bad.Your lawn mower battery probably doesn't have the cranking amps to really crank the tractor fast. Those small engines really crank with a good 12 volt battery. The knob you are referring to sounds like the light switch. Is it near the amp meter on a rectangular box with a round top? One thing you may find is your tractor has gotten to where it needs a valve job. I've bought 3 tractors over the past few years (A, Cub and just bought a 100 which is mostly a super A with different sheet metal), they had all sat protected but for a long time without running. All 3 didn't have enough compression to get them to run. Not running is bad news on valves from tractors that old. Super A's were late 40's and early 50's so a lot of things like wiring will have seen better days. Good news is you can find just about any part you need for those tractors new and lots of used stuff around too.
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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