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International 574 overheating
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<blockquote data-quote="Andy Nash" data-source="post: 7046455" data-attributes="member: 81262"><p>It doesn’t sound like your tractor ever was overheating to me. </p><p>You’ve checked the temp at the top hose with your digi gauge and the water is coming out of the bottom hose cool.</p><p>Does your fuel gauge read high also? If so, it might be the voltage stabilizer faulty.</p><p>Also, I personally wouldn’t mess about with the pto adapters to run it on the 1000 shaft. It upsets the pto angles when lifting the machine and the pto shaft may well bottom out. At best, you risk wrapping the shaft in hay and wrecking the oil seal in the tractor back end and at worst the whole shaft might fly into pieces and injure someone.</p><p></p><p>In my experience, the cooling was always marginal on ih tractors, but the later the model the better they were.</p><p>I’ve chopped thousands of acres of grass with a 674 running at 2400 rpm and maximum power and it would only overheat if there was actually something wrong with it. Usually grass in the radiator, and the snag with the 74 series was that it didn’t take much to upset things. The later 885XL was much more tolerant. </p><p>I would say the other thing to watch is to make sure you let the engine cool for a minute or two with plenty of revs on if it’s been working hard. It’s no good just shutting the throttle to idle because water will blow out of the overflow pipe, you need to keep the fan and pump speed up to pull water through the radiator and cool things down.</p></blockquote><p></p>
[QUOTE="Andy Nash, post: 7046455, member: 81262"] It doesn’t sound like your tractor ever was overheating to me. You’ve checked the temp at the top hose with your digi gauge and the water is coming out of the bottom hose cool. Does your fuel gauge read high also? If so, it might be the voltage stabilizer faulty. Also, I personally wouldn’t mess about with the pto adapters to run it on the 1000 shaft. It upsets the pto angles when lifting the machine and the pto shaft may well bottom out. At best, you risk wrapping the shaft in hay and wrecking the oil seal in the tractor back end and at worst the whole shaft might fly into pieces and injure someone. In my experience, the cooling was always marginal on ih tractors, but the later the model the better they were. I’ve chopped thousands of acres of grass with a 674 running at 2400 rpm and maximum power and it would only overheat if there was actually something wrong with it. Usually grass in the radiator, and the snag with the 74 series was that it didn’t take much to upset things. The later 885XL was much more tolerant. I would say the other thing to watch is to make sure you let the engine cool for a minute or two with plenty of revs on if it’s been working hard. It’s no good just shutting the throttle to idle because water will blow out of the overflow pipe, you need to keep the fan and pump speed up to pull water through the radiator and cool things down. [/QUOTE]
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International 574 overheating
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