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IH Cub Mowing Troubles
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Posted by Zimmerman on April 24, 1999 at 18:24:22:
I have a late 40's IH Cub with a 60" woods belly mower. I bought the tractor a couple years ago and used it to mow my lawn for one season. These are some of the problems I had during that time. 1: It seems to overheat very quickly in the summer. 2: It seems like the tractor has to work very hard to run the mower even when cutting the grass to about 3 inches tall. 3: The thin casting which is used to mount the original fan broke and sent the fan into the radiator. After welding the casting and fixing the radiator I ran the tractor some more and it broke again. This time I decided to use a 12 volt electric fan and mount it to the front of the radiator. I am using the crank pulley to run a 12 volt alternator. The fan seems to move alot of air but the tractor still overheats. 4: By the fall, the tractor had developed a bad engine knock. I dropped the oil pan and found badly worn connecting rod bearings. I bought a rebuilt short block and proceeded to completely rebuild the tractor.
The new engine runs great and I am still using the electric fan and running the alternator off the crank pulley. The problem now is that I still think the tractor has to work too hard with the 60" mower, it labors enough that I can sometimes hear a slight engine knock when I am mowing and climb a slight hill (about a 30 degree grade for 20 feet). I am sure that it will run too hot during the summer again. I think I may have an easier time mowing if first gear was a little slower. Does anyone have any experience with mowing lawn with a Cub and a 60" mower? I really don't want my little cub to self destruct. Is a 60" mower too much for a Cub? Thanks for any help.
Zimmerman
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