I don t think it will be the stat based on the description of the problem. It will run a long time before getting hot correct ? Thermostat is there to control minimum temp and will cause overheating if stuck, but within minutes of starting the tractor, not after using it. Sounds like the radiator is partly clogged to me. Water pump impeller problems are extremely rare in my expierence (25 years in auto repair),slowly building of heat to boilover makes me think the rad is not shedding the heat the engine is making. Head crack or gasket is also a suspect, causes air pockets in cooling system which disrupts flow and makes hot spots. Makes sure fan pulls good airflow too.
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Today's Featured Article - Two-Brush Generators - by Chris Pratt. Whether for product liability or because the aftermarket parts and labor business is lucrative, this concept is disturbingly prevalent. Fortunately when you step into your shop and make that jump 50 years back in time to work with your old tractor, this concept goes out the window. Even so, when it comes to the charging system, people quickly revert to this idea and start replacing the major components one at a time until it works. The reason you don't find any decals in your replacement set wit
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