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Farmall & IHC Tractors Discussion Forum
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Okay, Hugh MacKay

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Allan in NE

03-09-2005 07:22:31




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Here's the deal,

Captn' and I think we are just pretty darned clever and have figured out this "Clamp/Wedge wheel lock thing.

There has to be a "torque stress threshhold" thing going on.

You never see big tractors equipped with 16.9 tires equipped with the wedges, they always have the clamps. On the other hand, the higher powered tractors with 18.4s seem to have came with the wedges.

Likewise, the smaller tractors like the 686s came with 18.4 tires, but are again down to the clamp style wheels. Less horsepower/axle stress.

Ya think?

Allan

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caseyc

03-09-2005 11:02:27




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 Re: Okay, Hugh MacKay in reply to Allan in NE, 03-09-2005 07:22:31  
okay, question for all ya'll.....
over on the red power board thier talking about some style of wheel that is 38" but will go on my 34" canters. makes sence but i'll be danged if i can find any.

casey in SD



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Allan in NE

03-09-2005 11:10:46




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 Re: Okay, Hugh MacKay in reply to caseyc, 03-09-2005 11:02:27  
Casey,

They are talking about drop center rims, but don't you lose the ability to have two points to tie to on the rim (more tread width adjustment)?

I dunno, I've never seen the things; just assume that they are like the old H and M rims with only one lug mount location across the rim?

Allan



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Aces

03-09-2005 10:57:26




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 Re: Okay, Hugh MacKay in reply to Allan in NE, 03-09-2005 07:22:31  
Allen I was still working for IH dealer when the wedge locks came out. And the reason IH came with the wedga lock was that the clamp type just would not stand the big horse power. Some of the problem was the clamp on duals. I have read the post about this the last few days, I never saw much problem with the clamps. The thing to remember here on the clamps ( NO Lock Washers on the screws) screws must be grade 8's then the wrench that came with a 4 ft pipe they needed at least 400 FT Lbs of torque and you do not do one screw they the next, this is like a head needs to be even. On the wedge lock a little oil so the wedge can slid don't remember the torque on them.

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RustyFarmall

03-09-2005 07:56:34




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 Re: Okay, Hugh MacKay in reply to Allan in NE, 03-09-2005 07:22:31  
Don't know why, the 856 I used to own was on 16.9s, and used the wedges.



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the tactor vet

03-09-2005 07:59:02




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 Re: Okay, Hugh MacKay in reply to RustyFarmall, 03-09-2005 07:56:34  
Did you get new that way?? i don't remember seeing one new that way but then i do have a touch of sometimers.



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RustyFarmall

03-09-2005 08:11:34




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 Re: Okay, Hugh MacKay in reply to the tactor vet, 03-09-2005 07:59:02  
I can only assume it came that way new. I bought it from my uncle, who bought it used from the dealer. It was my understanding that the original owner turboed the tractor, cranked it up pretty good, and pretty much found out that an 856 just wasn't enough tractor for what he wanted. I know the tractor recieved extensive repairs before my uncle bought it. I suppose it is possible that a little customizing had been done while the original owner still had it.

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the tractor vet

03-09-2005 11:49:30




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 Re: Okay, Hugh MacKay in reply to RustyFarmall, 03-09-2005 08:11:34  
I would say that is when it got the wedge loc. THat is when you will spin the axel thru the clamp and if ya ran duals and had the same air pressure in the duals that ya had in the rear tires it would also break the clamp bolt this i know for a fact did that four years ago on the 806 and she is only cranken 115 hp i was discen at the time and got the dual up on a hump and poped the inside clamp just one of the bolts broke but i replaced all of them and dropped the air in the duals down to 12 pounds and kept the inboards at 18 .

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Allan in NE

03-09-2005 08:16:45




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 Re: Okay, Hugh MacKay in reply to RustyFarmall, 03-09-2005 08:11:34  
Rusty,

I missed that whole large chassis era.

How big was that tractor? Was it the precursor to the 966? Around the 80 horse size? Or, were they bigger?

Thanks,

Allan



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Hugh MacKay

03-09-2005 09:11:48




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 Re: Okay, Hugh MacKay in reply to Allan in NE, 03-09-2005 08:16:45  
Allan: As I said on the other thread, around these parts you will not see a 856 with anything but wedge locks. The 856 and 1256, seemed to have the ability as they came from factory, no tampering with pump, to turn out from 110 to 150 hp, 12 having the larger figure. 1066 was much the same, mine dynoed 160 plus as it came from factory. I know of others that did the same, quite common.



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RustyFarmall

03-09-2005 08:33:51




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 Re: Okay, Hugh MacKay in reply to Allan in NE, 03-09-2005 08:16:45  
In the 90 to 100 horse category.



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the tractor vet

03-09-2005 07:40:07




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 Re: Okay, Hugh MacKay in reply to Allan in NE, 03-09-2005 07:22:31  
Well ya sorta , But how many old M -560's that broke the clamp bolts while under a picker ??? i broke two sets , if that don't give ya a rush ya think that you got shot.



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Allan in NE

03-09-2005 07:45:22




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 Re: Okay, Hugh MacKay in reply to the tractor vet, 03-09-2005 07:40:07  
Mornin' Doc,

Yes, but seems to me that they had smaller clamp bolts back then, didn't they?

I've never been around one that let go, but I'll bet it would make a feller pucker up just a tad. :>)

Allan



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the tractor vet

03-09-2005 07:57:14




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 Re: Okay, Hugh MacKay in reply to Allan in NE, 03-09-2005 07:45:22  
Even more on our littel hillsides . And for the guys that bought the early 460's with the 2 1/2 inche axels and mounting a picker on them and droppen it into a groundhog hole or washout and snappen and axel off at the houseing fixed one of them in the field with the picker still on.



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