Question on a 55 series Hydral Shift??

JD Seller

Well-known Member
The local NH dealer has a Oliver 1655 Diesel on his lot. It is a locally owned/traded tractor. It is pretty straight and looks original. I started it and drove it. The Hydral power unit has a rumble in it. Worse in under. Really noticeable. The unit appears to work correctly when shifting but just has a vibration/rumble to it.

I have an Oliver 1655 already and it does not make any type of rumble. It does make a little different sound in under but not vibration/rumble.

The Dealer would take $7500 straight out I am sure but he will not deal any lower. So he is not low priced on it but it is pretty nice. My question is what can I expect in a ball park cost to go through the Hydral shift unit. I am thinking a bad bearing but If I have it apart I will replace the disks and separators plates while I am there. I have done them before but the last one was 10-12 years ago. I know AGCO has gone crazy on some of the parts on there old equipment lines.
 
I paid $3100 three years ago to get the one in my 2-135 rebuilt,but that one was trashed. The spiders were eating themselves up and putting metal filings in to everything,so most every part in it was scored beyond use. I wouldn't expect to pay a third of that for a bearing or two,some seals and clutch packs.
 
It's possible the chain coupler does not have good alignment due to having the engine/bell housing/over-under out. However, if you are approaching this as a buyer then it's best to figure the hydraul shift needs a 1,000 plus dollars worth of parts and maybe a mechanic's time that does them.
 
I think there is a bolt under the tub that is adjusted up against the bottom of hydraul shift. It took that noise out of my 1750. New sprockets and chain will likely also make a difference. 1655 is a nice tractor.
 
Well bearing wise all the bearings move in any of the ranges. It will be 41 years next week when I left the Oliver dealership so I have forgotten a few things, but get the dealer to take the chain off and see if the noise is still there and then look at the condition of the sprockets and the alignment of the sprockets.
 
I checked the sprocket/chain alignment and it seemed straight. This could be a stuck chain but it "feels" deeper. I am thinking on it. I really do not "need" another tractor but I like my Oliver and it is a handy general purpose tractor. Really like it on the small square baler as the hydral shift makes keeping the chamber evenly filled easier.

I have been checking out some White 2-70s too. I really do not like the higher hood on them. It effect the visibility over the front.

I was the back bidder on a real nice open station White 2-105 a few weeks ago. It only had 3200 original hours but it went higher than I wanted to go.
 

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