Mitsy: Given the fact you are now telling us the tractor heats up after 30-45 min. Have you thought about the thermostat being your problem. Tractor radiators are expensive, even re-cores will run in the $250. to $400. range for these smaller tractors. It's far better to make sure these small items are not the problem before spending larger amounts on a new radiator. Three items I would check out first; thermostat, radiator cap and clean the external cores and fins of rad. It could just be that simple. If you find that doesn't cure the problem, then look to the radiator. New radiators or re-core at a local radiator shop will not be a lot different in price. In some areas rad shops are charging more for for a re-core than a new rad, while others give you a substancial saving. I think it is a case of rad shops that do a lot of tractor radiators, are prepared give the best price, basically because farming and tractors are their bread and butter. Now, if you decide a new rad is your best option, I'd go right to CaseIH. We've had a lot of folks come on YT discussions complaining about offshore after market radiators not fitting the tractor, or they can't get the sheet metal back on after replacing the radiator. This has been true even with tractors that were only ever built at one plant. This has a bit to do with why I raised the issue whether tractor was US built or British built. This occured with several models, however the 444 was the only case where the British built tractor was sold exculsively in Canada and the US built tractor was sold exclusively in the US. That is when they were new. In the past 35 years there has been a lot of cross border shopping for used tractors. Most of these tractors are probably quite close to the Canada US border. I'll bet in hindsight IH wished they had given these two tractor separate model numbers. Both the US and British built tractors used a separate sequence of serial numbers starting at 501. Probably the most grief was created for dealers. You can imagine for example when US resident, with a tractor he bought used from a trader, ( and there have been many ) went to a dealer, ordered a part only to have it not fit. The big problem here is not a lot of Americans have ever seen a British built 444, nor have a lot of Canadians ever seen a US built 444. IH did this same thing with several models, thank god the 444 was the only one they ever imported into Canada. That was bad enough as the British built 444 was a big seller in Canada. World wide I think the British built 444 out numbers the US built 444 about 5 to 1. Quite rare in tractor numbers, but it was those Canadian sales that did it.
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