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#1
06-02-2017, 08:42 PM
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Two Dollar Hydro Fix
A month ago I bought a 1864 with 500 hours for parts to fix the noisy hydro on my 782. After replacing the hydro and drive shaft, I couldn't believe how bad it jerked when going from forward to reverse. The trunion had no wear except for the pin that slides in the slot. The pin where it was not worn measured .375" and the slot was .390", the slot on the original was slightly over the .375". After welding up the wear spots, filing them to fit and shiming everything, the hydro shifted pretty good.
Then I got to thinking there must be a better way to remove the slop and play. Then it occurred to me to use a spring to keep the pin from flopping in the slot. I tried it on the hydro that came out of the 782. I drilled a hole for the spring and made the bracket with the 2 holes to hold the other end of the spring. It seemed to work good so today I installed it on the tractor. Went to drill a hole in the trunion and found it is hardened. That must be why it was not worn. Went to plan B with the hose clamp, I figured a tywrap might not hold up. Wrapped it up and could not believe how well it worked. Super!! The bracket is about 1"x 3/4" by 1/8" with a 3/8" hole in one end and 1/8" in the other. The spring is about 1-1/2" long, 1/2" dia. with .038" wire. McMaster-Carr part #9654K912 is close. About an hour of work was sure worth it. This will work on all Cub hydros.
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Richard 1979 IH Cub Cadet 782 w/CH20, dual hydraulics, power steering and Cat 0 three point 
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#2
06-02-2017, 09:03 PM
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Have any pictures of that?
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With my son, EricR Super 2084 with 54" mower, 451 blower. 2086 with 3 pt hitch, 54 inch deck, 551 blower, 54 in brinly blade. A 4 digit original w deck. A 70 with deck. 2 102s both with 42 in decks, one with creeper, 1 36 inch IH snow thrower CW36, 1 42 inch IH blade. 149 with mower. 2072 w 3 pt hitch, Johnny bucket, 60 in mower, 451 blower. Jacobson GT 10 with mower. DR Lawn vac tow behind,Home made lawn roller. Brinly cart, 2 off brand carts and 1 home made cart.
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#4
06-02-2017, 09:59 PM
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Hardened--yes indeed. I tried to bend the one in my 2072 many years ago to get it to line up better, SNAP.
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2072 w/60" Haban 982 with 3 pt and 60" Haban 1811 with ags and 50C 124 w/hydraulic lift 782 w/mounted sprayer 2284 w/54" mowing deck
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#5
06-02-2017, 10:10 PM
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I may adapt this idea on a couple I have. I like it! Thanks for sharing!
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Travis 1993 Cub Cadet 2064 1988 Cub Cadet 2072 1980 IH Cub Cadet 782 w/CH20 1966 IH Cub Cadet 102 w/K301 1961 IH Cub Cadet O 1967 IH Cub Cadet 102 & 122     JD 2155 w/ 175 loader
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#6
06-02-2017, 10:25 PM
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Travis you are welcome. I would be glad to see answer any questions. It works so well for being so simple.
John, the one on my IH 782 was not hard.
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Richard 1979 IH Cub Cadet 782 w/CH20, dual hydraulics, power steering and Cat 0 three point
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#7
06-03-2017, 07:36 AM
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Quote:
 Anyway it surprised the heck out of me. Back then it was about a $50 part, hate to think what it cost now. As a point of reference, was your 782 cast iron or alum. rear---just trying to pinpoint about when the change occurred. If it was just a revision to the material then I suppose it won't show up in the parts books, as I would think dimensionally the parts are the same. EDIT: After looking at the pictures again I think it was the larger piece, the one that goes around the one with the springs in it, that we broke. Sorry about that folks!
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2072 w/60" Haban 982 with 3 pt and 60" Haban 1811 with ags and 50C 124 w/hydraulic lift 782 w/mounted sprayer 2284 w/54" mowing deck
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#9
06-03-2017, 10:39 AM
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I thought that the way the trunnion springs wear the hole bigger, it would wear the hook off the small spring.
John, I just checked Partstree for the correct spelling of trunnion and the price of the shaft that goes into the hydro with the bracket goes for $275. My 782 was built in 1979 and the 1864 after 1993. I've welded several of the square holes in the older ones including the 782 when I got it, but this is my first newer one.
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Richard 1979 IH Cub Cadet 782 w/CH20, dual hydraulics, power steering and Cat 0 three point
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#10
06-03-2017, 06:07 PM
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Quote:
Or why not fix it right instead of "jerry rigging".
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I don't use my Cub. I just work on it and look at it. So far it's holding up very well.
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.
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