I agree with Jim, the Delco 10SI would be reliable, simple, and cheap. 12SI is a later version, same case size. I get one for a 1983 Chevy Suburban.
If your 3010 has the charge indicator light be sure and get a 3 wire, not a 1 wire alternator. Connect the lamp connection at the generator/alternator end to the #1 edge pin on the Delco alternator and it will excite when you start the tractor so you don't need to rev the engine to get it to charge. #2 pin can loop down to the output
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Today's Featured Article - Upgrading an Oliver Super 55 Electrical System - by Dennis Hawkins. My old Oliver Super 55 has been just sitting and rusting for several years now. I really hate to see a good tractor being treated that way, but not being able to start it without a 30 minute point filing ritual every time contributed to its demise. If it would just start when I turn the key, then I would use it more often. In addition to a bad case of old age, most of the tractor's original electrical system was simply too unreliable to keep. The main focus of this page is to show how I upgr
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