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Bob my dong feng 204a does not have a glass sediment filter on it but has a fuel tank screen and a screen in the banjo fitting at the manual pump . I am thinking of getting rid of both of those and adding a sediment filter with a screen so I have a visual reference, you see anything wrong with that idea? Oddly the tank screen is finer than the one in the banjo fitting and has plugged up in the recent past.
when you blew out the radiator did you blow from the backside to the front side? Sometimes I wash mine with water let it sit to soften the grit wash it again and then blow it out with air . I have never used it but I have seen a additive that you put in the cooling system that is SUPPOSED to improve the ability of the coolant to exchange heat, maybe BOB can give you a name and a idea if it works. By the way a rotary cutter aka bush hog takes less power to run than a finishing mower. Yes a bush hog will cut higher grass but there is a lot of mass when you get it spinning, inertia works. The reason I went down this road I did not want you to change mowers and think the tractor would be under less load so less heat. And the battery thing I went to a lower profile battery when the old one puked that seems to let more air in, just make sure you get a battery with enough amps to do the job.
is the mower you are using a rotary cutter and how big is it? and I would think low second is kinda on the slow side . I can cut with my dong feng le204a all day with a 4 ft. ruff cut cutter in low four or my 5 ft. finishing mower in the same gear and the temp hangs at 180 deg. F
if you do pull the cover I would suggest that you line up all the timing marks and document before you remove anything gear or shaft wise as a just in case.
Have you determined what caused the spindle to fail? was the pump deadheaded? Like tinbender I have not been in there so can not help you much. So I was thinking about not tearing up the new part.
some of these tractors that have a shuttle shifts seem bad about shearing a pins in the levers that change tractor directions but now that I think of it that would not be in your case. But look at all the pedal connections to make sure, I think no two were made the same. What kinda tractor and hp is it anyway?
