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#1
02-09-2025, 01:01 AM
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1250 and #2 Tiller
I have a 1250 and #2 Tiller that I'd like to get working again to till this year. I last used it about 3 summers ago when it broke the long tiller belt. I had replaced both tiller belts with OEM belts when I bought the machine. I think I used it 3 seasons before breaking the belt, there weren't that many hours on the belt. Probably 20 or less. If I recall correctly the mule drive I was using was off a mower deck undercarriage and both idler pulleys were adjustable individually. I don't have the wire belt guide that hangs underneath the tractor. Is that necessary? Seems to me that something must not be setup right, at the cost of an OEM belt I expected to get a lot more use out of it. Thanks
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149,1250, #2 Cart, Brinley Spring tooth plow, #2 Tiller, 42" Front Blade 
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#2
02-09-2025, 07:20 AM
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The mower deck mule drive pully arms are bent to accomodate the off set center pully on a mower deck and the tiller mule drive pully arms are straight. Maybe you have some chaffing action from this resulting in a shortened belt life...
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#3
02-09-2025, 07:24 AM
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#4
02-09-2025, 10:20 AM
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The belt guide and the guard that mounts to the tiller gear box keep your belt from damage.
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Up to 530 and counting... I give up updating my profile!
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#5
02-09-2025, 02:31 PM
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Quote:
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149,1250, #2 Cart, Brinley Spring tooth plow, #2 Tiller, 42" Front Blade
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#6
02-09-2025, 03:26 PM
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It should look similar to this one, but with 2 adjusters.
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Up to 530 and counting... I give up updating my profile!
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#7
02-10-2025, 03:41 PM
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This is what I was using, the left side pulley bracket (as sitting on tractor) is crooked. I imagine that isn’t helping things, the center of the pulley v’s are approximately 5” apart.
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149,1250, #2 Cart, Brinley Spring tooth plow, #2 Tiller, 42" Front Blade
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#8
02-10-2025, 05:07 PM
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The pulleys on that mule drive should be parallel with tractor. Looks like the one on the left as you sit on tractor is twisted. Are you sure you are using the correct belt (width wise) for those mule drive pulleys? Top of belt should be FLUSH with pulley O.D. If belts ride high in groove they will get worn very prematurely because of the 90 degree twist they are trying to overcome.
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#9
02-11-2025, 12:59 AM
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The top of the pulley groove is a little over 1/2" wide, I don't have the old belt around here anymore but looking in the parts catalog it appears that it should be IH-61959-C1 which lists as 7/16".
The right side pulley in the picture above comes off the rod and is offset where mine comes straight down. Mine also look farther apart, will this mule drive even work? Does anyone know the distance between these pulleys? I also noticed the rod where the pulley brackets hook to is worn down a bit as well as the holes in the brackets. Not sure how much movement you can have here, it appears that it wasn't ever designed to be a real close tolerance setup.
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149,1250, #2 Cart, Brinley Spring tooth plow, #2 Tiller, 42" Front Blade
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#10
02-11-2025, 11:51 PM
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The lower tiller gearbox pulley is 5" in diameter. Wouldn't that make the 5" center to center of the mule drive pulley the correct alignment?
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149,1250, #2 Cart, Brinley Spring tooth plow, #2 Tiller, 42" Front Blade
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