Donuts in the drive shaft ... ???
 

No, not that kind of donuts, not the ones dipped in sugar ... LOL

My 1980 782D has rubber donuts in the drive shaft that transfer the torque from the engine to the rear hydraulic drive and transfer case. I've replaced then twice ... not a fun job, tight quarters ... and I see they are twisted again. Just too much torque for this design. Did I see an "upgrade on this bulletin board once ??? How about something different rather than a "simple" replacement ??? Anybody have any experience messing with a 782D drive shaft ???

You might answer here or to my e-mail ... tom@country-gentleman.com

How are the little bagels on the engine mounts?


By the sea there are seagulls,
by the bay there are bagels....

insane ....
 

darkminion_17 ... you are certifiable ... not as a carpenter or mason ... just certifiable ... LOL You didn't answer the problem, but you did make my day brighter. These bulletin boards are great for exchanging experience and information but I'm always sad that I don't get the chance to share a meal with the people I talk to. Thanks ....

The "doughnuts " as you refer them as, is actually called "Flex Discs".

I have a 782 with 4 of them, two on each end. They are like the new condition on the day that I installed them, 10 yrs ago.

Something about the diesels that tend to damage these? Is the rest of your driveline in great shape? Its not unusual to have to replace a LOT of parts in the driveline. I don't know if the diesels have the ball joint on the engine, never worked on one of the diesels.

Your engine has 4 rubber mounts that hold it in place, if they get worn out it will wear other parts, especially the drive line.

Yes. The constant hammering of the engine. All engines speed up and then slow down just a bit. Every time a cylinder fires, it speeds up, and as the fuel burns out and makes power, it slows until the next one fires. A diesel fires so violently it just makes the issue worse. 3 cylinder motors are also worse because of the vibration. Yeah, it's a "balanced" motor, but it's not perfect because it's an odd number.


:IH Trusted Hand:

I am amazed. I logged in to ask how many "doughnuts" went on each end of my 682 driveshaft and what would make them tear only to find someone just asked about them also. My driveshaft had a lot of vibration and one disk on each end was torn on two holes. Am I guessing right that bad or worn "bagels" on the engine mounts could have contributed to the torn "doughnuts"?
Thanks:bigthink:

Got my answer before I could post my question... you guys are good, Thanks

A 682 doesn't have bagels, just doughnuts.