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#1
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169 threw the rod...
My dad was using my 169 to mow his lawn, and it decided it was done. The k341 threw a rod, so it's rebuild time. I'm a lucky guy; the pieces fell into the pan without going through the block or even chipping the cylinder. Everything looks pretty good, except there's a fair bit of galling on the crankshaft. I'll take it and the block in and have them checked out and properly measured to see if it needs to be bored over or just cleaned up a little. The balance gears do have a fair bit of play to them, so they'll probably come out. Here's a picture of the pan just for fun.
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169 with tiller, 50C mower deck, Earthcavator, 42" front blade, Brinly tt100 toolbar, and QA42A snowblower, and now an Original! |
#2
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I hate it when that happens
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#3
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I'd say ya done blowed it up junebug
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#4
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Yep. What seems odd to me is that it had been running at WOT and was full of oil. He throttled down, removed the load, and it was idling for a moment before it went. It looks from the galling like it didn't have oil and heated until it seized on the crank, making the rod snap. This is my first blown engine, though, and I'm no mechanic.
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169 with tiller, 50C mower deck, Earthcavator, 42" front blade, Brinly tt100 toolbar, and QA42A snowblower, and now an Original! |
#5
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Had he been mowing tilted on a steep side ditch or hill??
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#6
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Quote:
Cub Cadet 123
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Still don't know what I'm doing in OHIO?.....If you find me, then please point me back toward INDIANA. |
#7
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About 1988 I was driving a neighbor's 122 on a level, grass field when the engine shut down. I turned the key to find the engine turning over very fast. I knew something went wrong. We towed it back with their 1000 and I started tearing the 122 engine down. I found the same thing you did - the rod shattered like glass.
The bore and crank looked great and measured in spec. I put a new rod, piston and rings in it. The engine was still running great the last time I saw it in the late 1990s. |
#8
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weak link in a K series is the rod, its a poor design and along with a cast crank that tends to wear out of round its a combination looking for a divorce
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#9
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No, he was on pretty flat ground. There's some slope elsewhere on the yard, but it's nearly all done headed straight up and down; nearly no side slope.
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169 with tiller, 50C mower deck, Earthcavator, 42" front blade, Brinly tt100 toolbar, and QA42A snowblower, and now an Original! |
#10
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Quote:
I bought a 129 from a dealer about twenty years ago. It hadn't ever spent a single night outdoors. Had a replacement (black) engine. Broken rod. Original owner traded it in. I didn't bother to mike the crank because it looked like new. Put a new rod in and ready to go. Still have the tractor and still runs fine. Must have been a weak part? |
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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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