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#51
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I ended up ordering a NOS crankshaft for a fairly decent price. Should be here Friday.
I'm looking around for crankshaft bearings now. I'm trying to figure out if the OEM bearings had a C3 internal clearance or not. From my searching so far, it looks like the International ST436 (the OEM bearings) cross-reference to a 6308JEM SKF bearing, which has a C3 internal clearance, but I'm not positive. I can definitely see the argument for greater-than-normal internal bearing clearance (i.e. C3 clearance) on bearings used in an engine due to heat-related expansion, but I'm hoping someone here can confirm!
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#52
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Evening gents,
The crank arrived! And, apparently, it’s a later magnum crank. I guess Kohler used the same part number for both the K241 and M10 crankshafts?? Anyways...the only difference I can see is that the flywheel end is internally threaded on my new crank instead of externally threaded on the old one. Can I use my old flywheel and just bolt it on with a beefy grade 8 bolt and thick grade 8 washer? Is there some sort of adapter I need to mount the old flywheel? And will I need to have everything balanced? Thanks as always! I know I have been asking many questions. Looking forward to learning enough to be able to give back to the community soon
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#53
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You will have to put the flywheel cup on but I do believe the hole is bigger in the cup than the bolt you use to attach the flywheel...
I would not have bought the 300 crank without asking if it will be a direct fit to my engine.
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Up to 530 and counting... I give up updating my profile! |
#54
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Yeah... I just assumed that one part number wouldn’t be used for two different cranks.
Looks like there are some adapter washers floating around, for instance the MWSC one mentioned in this thread: https://www.onlycubcadets.net/forum/...ad.php?t=53913 The adapter washer is this one: https://mwsc.co/collections/clutch-a...ts/products/sw Anyone have experience with these?
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#55
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The parts stockpile for the engine rebuild is almost complete. The piston is with the machinist so he can bore the block, as are the valves.
I also picked up a Carter Model N #26 off of eBay. It needs a rebuild but that’s pretty easy. It seems to be in decent shape! Not sure how much throttle shaft play is acceptable before it needs to have the bushing installed. Although, from my reading on here, I might as well just put one in if I can pick up the bushing from Ace. Here it is after a quick cleaning. The tractor came with a cheapo Chinese carb on it, but the darn thing would flood all the time, and I really didn’t want to roll the dice on another one.
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#56
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Enough already with the MONSTER pictures!!
And 3 foot long sentences!! |
#57
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Sorry, the previous pictures seemed to shrink down okay
Edit: Fixed. I didn’t mean to break the website
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#58
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Quote:
(Hopefully the pics aren’t too big, ha!) So it seems that the complete crankshaft kit comes with the required bushing after all, in addition to the requisite bolt and washer. I haven’t seen this info before, nor the sheet that came in the kit, so I figured it would be good to share here. Progress has been very slow on the ol Cub lately. I’m away from home for a week at a time every other week due to work, so I haven’t had much opportunity to tinker. But there will be good updates in the near future, I promise!
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#59
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Lots of good progress with parts roundup.
Photos are of a good size! Who do you host them with? I'm using Imagur and I still get them super embiggened.
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61 and 63 Originals 123 (2) 782D 106, 147, 122 102 parts It's only original ONCE!
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#60
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I use Imgur as well, but I’ve been going in and resizing them down to a much more cromulent size.
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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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