I don't know anything about the math involved, but I know my 1486 with 2 big 12s paralell starts way better than the neighors 1066 with the 2 3EH 6s in series. If anything the 10 has fresher motor, injector pump and batteries. My old 560 diesel starts better with one big 12 than the 2 6s it came out with, but I do keep a fairly new one in it most of the time by putting a new one in it whenever a pickup needs one and putting the old 560 battery in the pickup. With 2 12s paralel on a big tractor you have 2 cables carrying current to the solenoid instead of one with 2 6s. I have seen a few IHS like the 1066 with 2 long narrow 12s hooked paralell, but I've never tried it on the 856s. One neighbor used to put a different battery tray on on his 56 series and use one big 12 truck battery and he thought it was better and cheaper than the 2 6s, but i didn't like the way it looked. By the way Gary did you ever replace the 4-560 or fix it. I remember you wanted something you could operate the pto and throttle from the ground and the other day I thought about an 806 I saw that had a rod attached to throttle and routed to the back under the platform so you could operate it from the back. Lee
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Today's Featured Article - Tuning-Up Your Tractor: Secondary Ignition Wires and Distributor - by Curtis Von Fange. In our last episode we spent the entire day checking out the spark plugs. Is that efficency? Actually, it took more time to explain than it really did to do the inspection. At any rate we decided that a compression test was in order so we could verify the internal engine status. That way we wouldn't buy any tune up parts until we were sure that the engine was in reasonable mechanical condition. Our tests showed a fictional compression reading of 85, 80, 82 and 86 psi. That is well within a
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