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#11
12-27-2012, 10:34 AM
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Quote:
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1971 128,3pt,ags,rebuilt motor,headlights 1988 1812,dual ports 1966 122,creeper,3pt,ags,sa,headlights,restored 1st place at RPRU 2013 1966 123,3pt,brinly spring assist 1973 108 1968 125 Attachments:QA36A,wfblade,2 nf blades,brinly disc,a cultivator,plow,homemade wrecker boom with 2000lbs winch,ih weights,50lbs weights,2IH windbreakers 
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#12
12-27-2012, 09:08 PM
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head is also stamped with a B same as piston. the pic at the end is my favorite cause i was just unloading it at home after a mile xmas parade the night before. thank goodness it didnt happen then. cc123 was leading the stampede.
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CC 123 402c Sickle Bar, 48" Mower Deck QA42A Snow Thrower, 42'' Push Blade IH Back Blade and Rake Brinly Seeder/Aerator Brinly Lawn Rake Brinly 10" Moldboard,Brinly Cultivator, Brinly Disc
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#13
12-27-2012, 09:18 PM
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hang on its coming up...
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CC 123 402c Sickle Bar, 48" Mower Deck QA42A Snow Thrower, 42'' Push Blade IH Back Blade and Rake Brinly Seeder/Aerator Brinly Lawn Rake Brinly 10" Moldboard,Brinly Cultivator, Brinly Disc
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#14
12-27-2012, 09:22 PM
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measurements of bore from top to bottom one way then the other.
3.374-3.372-3.370 3.373-3.374-3.373 top mid bottom crank- 1.499 and 1.498 the manual says everything should be in good specs. right?
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CC 123 402c Sickle Bar, 48" Mower Deck QA42A Snow Thrower, 42'' Push Blade IH Back Blade and Rake Brinly Seeder/Aerator Brinly Lawn Rake Brinly 10" Moldboard,Brinly Cultivator, Brinly Disc
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#15
12-29-2012, 07:08 PM
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i see in the manual it talks about a type C and D piston but no B.??
got new gaskets made for the oil pan and valve cover. lapped the valves. cleaned things up a bit and welded the infamous crack in the frame over the front axle. just waiting on piston, rod, and rings. sorry, i forgot to take pics!! what is the little cover on the block to the right of the points and cam cover. about the size of a fifty cent piece. its a window to the cam shaft centered over a lobe????
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CC 123 402c Sickle Bar, 48" Mower Deck QA42A Snow Thrower, 42'' Push Blade IH Back Blade and Rake Brinly Seeder/Aerator Brinly Lawn Rake Brinly 10" Moldboard,Brinly Cultivator, Brinly Disc
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#16
12-29-2012, 09:57 PM
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Quote:
Cylinder Bore: New cylinder bore is 3.3755/3.3745 Maximum cylinder wear is 3.378 Maximum out of round is .003 Maximum taper is .002 Crankshaft: (crankpin should be check in 6 places) Crankpin diameter new is 1.500/1.4995 Maximum wear limit is 1.4990 Maximum out of round is .0005 Maximum taper is .001 Is the engine a K301? What gages did you use to measure cylinder? If the engine is a K301 the measurements should be the same or more than the new engine specs. There is .004 difference in your cylinder bore measurements. That tells me the cylinder needs bored at least .010. Minimum crankpin diameter is 1.4990. One of your crankpin measurements is 1.498. The crankpin needs undersize .010. The picture of your piston indicates the piston is burnt in the exhaust valve area. The picture of connecting rod (Inside diameter where the crankshaft and connecting rod meet has a shinny area in the middle. I would like to see a picture of the crankpin journal. If I was rebuilding this engine I would do or recomend the following: 1. Bore engine at least .010. 2. Undersize crankpin .010 and a use connecting rod for a .010 under crank. 3. New governor (if yours is plastic) 4. New head bolts. 5. New bearing plate bolts. 6. New push rod pin (old one is usually aluminum-can be mushroom out) 7. Check valve guides-replace as needed. 8. Check head for flatness-rework as needed. 9. Check the top of the block for flatness-rework as needed. This engine/Cub Cadet lasted roughly 45 years with no internal work done to the engine. You will be better off in the long run rebuilding the engine the right way. Some will say you can get by just reringing the engine. That may last a few years before it starts smoking again or worse yet rod flys apart. It's your Cub Cadet...your choice
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Project Uncle Dick Cub Cadet 70 http://www.onlycubcadets.net/forum/s...ght=Uncle+Dick
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#17
12-30-2012, 12:02 AM
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thanx for the info merk. i used to measure with bore gauges and digital caliper. some day in the near future i plan to do a full restore on her. she is the only tractor i have at the moment. she doesnt have a lot of down time to do it now at least until i get another tractor to fill in for a while. when the cc123 is down for the restore.
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CC 123 402c Sickle Bar, 48" Mower Deck QA42A Snow Thrower, 42'' Push Blade IH Back Blade and Rake Brinly Seeder/Aerator Brinly Lawn Rake Brinly 10" Moldboard,Brinly Cultivator, Brinly Disc
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#18
12-30-2012, 02:33 PM
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The crank will need turned.
__________________
1971 128,3pt,ags,rebuilt motor,headlights 1988 1812,dual ports 1966 122,creeper,3pt,ags,sa,headlights,restored 1st place at RPRU 2013 1966 123,3pt,brinly spring assist 1973 108 1968 125 Attachments:QA36A,wfblade,2 nf blades,brinly disc,a cultivator,plow,homemade wrecker boom with 2000lbs winch,ih weights,50lbs weights,2IH windbreakers
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#19
01-01-2013, 09:03 PM
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putting her back together and fire it up. started just fine. burned the oil out from assembly. ran her for a bit with varying rpms just sittin in the garage. a little seeping and some air bubbles coming from around new head gasket. once she is cooled down all the way i will retorque head bolts. shouldnt be bubblin any more then. next time i fire her up i will take it for a little spin and then change oil. check head bolts again. then i will start to load her up with snow removal. and hope she stays together.
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CC 123 402c Sickle Bar, 48" Mower Deck QA42A Snow Thrower, 42'' Push Blade IH Back Blade and Rake Brinly Seeder/Aerator Brinly Lawn Rake Brinly 10" Moldboard,Brinly Cultivator, Brinly Disc
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#20
01-01-2013, 09:06 PM
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she has got new boots up front now too. v61's. 5 ribs
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CC 123 402c Sickle Bar, 48" Mower Deck QA42A Snow Thrower, 42'' Push Blade IH Back Blade and Rake Brinly Seeder/Aerator Brinly Lawn Rake Brinly 10" Moldboard,Brinly Cultivator, Brinly Disc
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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.
This website and forum are not affiliated with or sponsored by MTD Products Inc, which owns the CUB CADET trademarks. It is not an official MTD Products Inc, website, and MTD Products Inc, is not responsible for any of its content. The official MTD Products Inc, website can be found at: http://www.mtdproducts.com. The information and opinions expressed on this website are the responsibility of the website's owner and/or it's members, and do not represent the opinions of MTD Products Inc. IH, INTERNATIONAL HARVESTER are registered trademark of CNH America LLC
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