Kubota owner: Knowledge/Help requested!!: I have a B6200 i bought in the fall at an auction. After i bought it i talked to the actual owner and if i recall correctly he told me the alternator was going bad and discharging the battery.... I used it all fall to chop up leaves, and plowed snow twice this winter. The last time i was plowing there was a light rain. The charging icon has always been lit since i bought... well while plowing snow in the rain/mix weather, this light went out finished plowing and parked it. Went down today to start the tractor and glow plug light did now show it was on, no lights worked. Pulled the battery and put on charger which said the battery was 90% charged. If the alternator is in deed bad, will the tractor always continue to start and lights work as long as the battery has a charge? Thank you in advanced.
Intelligent Tinkering: My glow plug light is a poor indicator of battery condition. It seems to glow sometimes when the tractor won't start and not glow when it will. It seems dependent on weather more than state-of-charge. There may not be anything wrong here, with either battery or dynamo. The weak dynamos in these things only produce enough amps to replace the battery energy used from a start, especially a hard start, in about ten-fifteen minutes at 2000 rpm. If you need evidence, get a half-way decent clamp meter and measure the amps on the battery positive at different rpms in neutral right after a start. Or measure the voltage, focussing on volts and fractions of volts before a short run and after. If it's cold and you only use the tractor for a few minutes or let it idle a lot you'll run the battery down. It might be best to get a ten-dollar trickle charger. That's what I use in winter. Having said that, it never hurts to keep your battery terminals clean.
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