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#1
06-05-2012, 07:23 PM
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It's Splitsville for my 125
I've made a lot of repairs on Cubs over the last few years, but I was always hesitant to split a tractor. Things have been bad awful slow at work, so I decided to dive headfirst into splitting the early-build 125 (s/n 218313) to resolve the cork gasket issue and speed lurch issues.
The rear pulled easily and it was out within an hour. I can see why the speed lurch was soo bad; the cam plate is barely touching the damper springs and the guide pins are worn flat on one side and cutting a groove to the right to get farther away from the cam plate! The trunion bracket is worn on all corners and towards the front and rear of the tractor on the inside corners. I pulled the hydro unit off the rear end and gave it to Dad to weld up and mill back down to spec at one of the machine shops he does service for (wish I could weld; I'd learn to do this myself). Need to call the dealer tomorrow and order springs and pins and possibly the cam plate depending on price as there is noticable wear on the cam plate guide pin too. The cork gasket should be straight forward and the rest of the hydro and rear looks fine, if not worn a little after 40+ years of hard use. Amazing how well these tractors hold up to abuse year after year. I'll update after the trunion is milled right and the cork gasket is done. Also want to find some wavy washers to take up the slack behind the snap rings on the cam plate mounting bracket and trunion spindle. If this goes well, the 100 splits next to get it's shifter replaced, then the 123, which may require a little more time due to some linkage issues. 
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Tom 105, 149 w/44A, #2 & #4 carts 782 CCC Red w/44C 1512 Smoker w/50C, 450 Blower 2072 w/60" Haban IH/Lawnboy 3322 Pusher, Scag TT 61" JD 455, X495, Kubota 2150, Gravely 450, 812 
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#2
06-05-2012, 07:30 PM
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Check this out - look at how the rockshaft is worn down to the right of the jackstand from the fork in the mule drive... eww. The mule drive fork had been welded up with some new angle iron by the PO at some point after the fingers musta broke off, but the rockshaft continued to wear down. I have a hydro lift waiting to go on this tractor if the transmission work goes well and it has a rockshaft to go with it... just in time!! Again, mighty impressed how they hold up after 40+ years...
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Tom 105, 149 w/44A, #2 & #4 carts 782 CCC Red w/44C 1512 Smoker w/50C, 450 Blower 2072 w/60" Haban IH/Lawnboy 3322 Pusher, Scag TT 61" JD 455, X495, Kubota 2150, Gravely 450, 812
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#4
06-05-2012, 09:29 PM
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The rockshaft on my 102 needs some attention too. Oh well it is in line for a refurbish. Yours is looking good keep up the good work.
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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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#5
06-05-2012, 09:52 PM
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Dig in! Looking good
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Make the best of each day , Todd  Original's Face Lift thread.http://www.onlycubcadets.net/forum/s...ad.php?t=34439 (O) Start to Finish video.https://www.youtube.com/watch?v=GAoUNNiLwKs Wheel Around videohttps://www.youtube.com/watch?v=XUL-m6Bramk They can't all be turn key!
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#8
06-07-2012, 05:34 PM
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Glad to see that you cleaned it all up. They need lots of cooling as I'm sure you know they get warm when running.
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Daniel G.  . (May 1970) 147 w/an IH spring assist, 48" deck, 42" blade, 1969 73, #2 trailer, 10" Brinly plow and (on loan) Dad's #2 tiller.
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#9
07-24-2012, 10:22 PM
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Finally, some movement with the 125! Wound up getting my old buddy from high school to weld up and file the trunion. It looks soo much better! Can't believe how much it had worn.
Cub 125 Trunion (2).jpg Cub 125 Trunion (4).jpg The 703-0194 cam plate was the hardest thing to get my hands on. It's on back-order forever with Cub Cadet; I was able to work through Marlin at IHCCW and he had it to me inside of a week. Thanks again! Cub 125 (7).jpg Cub 125 (9).jpg New cork gasket, new cam plate, and shims plus a wavy washer for the sliding plate that moves over the nub on the cam plate. New trunion springs and guide pins, drained what appeared to be ATF out of the rear end, and a new Cub hydro filter and Hytran. Everything went back together ok and it even moved after I was all finished! I pulled that top inspection/access plate on the rear end (the rectangle plate with the 4 bolts) and boy,, it's almost worth pulling fenders and seats for the ease of access and filling with Hytran! Cub 125 (6).jpg Cub 125 (5).jpg I ran the tractor at idle after I initially filled it with Hytran and was able to watch the pump suck up the oil to fill the filter and long suction tube after I had opened it all up to do the service work. Topped it off again and all I need to do now is adjust for neutral. The old 125 drives like it's supposed to again after 40+ years! Up and down hills with no speed lurch and even has proper speed lever travel again. Now I can get cracking on that hydro lift unit in the shed and then pull the front end off this old girl to clean up the engine bay and add in the lift...
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Tom 105, 149 w/44A, #2 & #4 carts 782 CCC Red w/44C 1512 Smoker w/50C, 450 Blower 2072 w/60" Haban IH/Lawnboy 3322 Pusher, Scag TT 61" JD 455, X495, Kubota 2150, Gravely 450, 812
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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.
MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.
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