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Farmall & IHC Tractors Discussion Forum
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clamp or wedge wheels? what's better?

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caseyc

03-08-2005 15:01:02




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i'm looking to get rid of the 34
's on my 766 and go to 38's. the salvage yard wanted to know if i wanted clamp or wedge type. the clamp type are $200 a piece and the wedge type are $400 a piece. by the price i asume the wedge is better but what is the difference? do the clamps work loose over time? the rims are $75 a piece in case anybody wants to make me a better offer on the package!

casey in SD

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caseyc

03-08-2005 19:48:05




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 Re: clamp or wedge wheels? what's better? in reply to caseyc, 03-08-2005 15:01:02  
well as usual thanks for all the advice. growing up all i ever did was drive them, never had to worry about "setting them up". now that they'er my own machines it's a whole different story! learning alot here. thanks again and i think clamps will be the ticket this time around.

casey in SD



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Allan in NE

03-08-2005 18:10:33




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 Re: clamp or wedge wheels? what's better? in reply to caseyc, 03-08-2005 15:01:02  
Casey,

I never noticed that before; that thing does "squat" a little, don't it? :>) I didn't even know that IH put 34s on those larger tractors.

I just laid eyes on the wedge type last month; farmed for many, many years with the clamp style and never, ever had a problem.

I will agree with the other fellas tho, ya gotta keep 'em tight. I would check the clamps ever so often, just because.

Although maybe, it was because I had a neighbor get sliced in two because the rim lugs came loose on his tractor and I was always thinking about it. Dunno

Allan

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Hugh MacKay

03-09-2005 03:51:27




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 Re: clamp or wedge wheels? what's better? in reply to Allan in NE, 03-08-2005 18:10:33  
Allan: Around these parts 806 and 1206 were the first to start breaking clamps. Dealer told me he knew many of them were tight. From his point he alway felt snap on duals were the culpert, although axle duals were breaking some as well. I have never seen an 856, 966, 986 or larger Farmall that didn't have wedge locks. I think part of the problem was IH didn't stand behind it if snap on duals were used but dealers did. When I ordered my 1066, dealer considered wedge locks standard equipment, no sure but IH may have considered the same. His opinion, (the dealer) at that time is a 1256, 1456, 1066 or 1466 would make mincemeat of clamp wheels. This dealer told me he had a customer twist an axle between the wheels with axle duals. I have a feeling duals were the driving force behind wedge locks.

Think about it, my 1066 ruined a set of tires in first 1000 hours. Tires had so many lumps and bulges you couldn't drive it in high gear. With duals I got between 8000 and 9000 hours out of tires. Exact same tire as originals. You put enough torque down there, somethings got to give.

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Allan in NE

03-09-2005 05:21:50




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 Re: clamp or wedge wheels? what's better? in reply to Hugh MacKay, 03-09-2005 03:51:27  
Hi Hugh,

I agree with ya; two things in this area changed our lives forever. Clamp on duals for flotation purposes and the packer to follow the plow.

The duals to get the tractor up on top of the ground and the packer to eliminate those darned tractor tracks. In the old days, we used to see those tracks in the corn height clear up until the fourth of July due to the soil compaction.

To this day, when I hear or read of someone following a plow with a disc, I wanna scream, "Get a packer, 'cause you're still farming back in the 40s!". I just cannot imagine crawling into a plowed field with a disc. :>)

You've got me wondering now tho. I wonder if the wedge locks had anything to do with tire size? When we move from 16.9 x 38 to 18.4 x 38, that is a huge difference as far as traction goes and maybe more stress is put on the clamp?

Dunno,

Allan

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Hugh MacKay

03-09-2005 08:52:26




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 Re: clamp or wedge wheels? what's better? in reply to Allan in NE, 03-09-2005 05:21:50  
Allan: I'm sure the tires do make a difference. Most of the 1256, 1456, 1066 and 1466 came in around here with 20.8 x 38 and they dualed them besides. One wack of presure with snap on duals. We work with a much softer soil than you do, our annual rainfall is up around 45". Have to really watch that soil compaction. I ran 16.9 X 38 on 560 and 656. I used absolutely no weights on 560, 656 or 1066 other than I had about 18 front end weights and racks on each tractor. My 300 on the other hand which hauled a lot of hay and silage on hard roads, had 13.6 x 38 with chloride and wheels weights.

One of the merriest rides I ever had in my life was 1066 on hard frozen ground with 12 ton manure spreader behind. They don't have rides at county fair with that much thrill, even yet.

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captaink

03-09-2005 06:38:08




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 Re: clamp or wedge wheels? what's better? in reply to Allan in NE, 03-09-2005 05:21:50  
Allen,

You may have hit on why my 966 has clamps and not wedge locks. It came with 16.9 38 tires, not 18.4 38 tires.



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Hugh MacKay

03-08-2005 17:12:40




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 Re: clamp or wedge wheels? what's better? in reply to caseyc, 03-08-2005 15:01:02  
casey: One item a lot of people don't realize, the bolt that draws wedges in must be tightened to 600 foot lbs with a torque wrench. I guarentee they will not come loose. You must have the clamp for getting them loose.



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the tractor vet

03-08-2005 16:10:06




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 Re: clamp or wedge wheels? what's better? in reply to caseyc, 03-08-2005 15:01:02  
The clamp style will be fine on a 766 it is when ya get up in horse power that the wedge will hold better and less chance of pulling a bolt- stud and strechen it causing the wheel to come loose. Back when guys use to mount picker on tractors it was not uncommon for the wheel bolt to break when the 06 seires came out they went to studs with the nut already on and once the stud was set it was suppose to stay well if ya get enough power to it it will strech and sometimes break and then ya chew the keygrove and the wheel is junk ,best thing is to get them on and tighten them with all ya can put to them with a 3/4 drive and a 4 foot cheeter and check them a couple times till they set.

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captaink

03-08-2005 15:41:49




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 Re: clamp or wedge wheels? what's better? in reply to caseyc, 03-08-2005 15:01:02  
Like a lot of things, both have advantages and disadvantages. Clamps are easier to work with, in your case cost less, but you need to check the clamps once in a while to make sure they don't work loose. Wedges lock on tight and should never come loose, but take a special tool to get them loose should you want to move the wheel. The design of the hub looks stronger.

I had clamps on my 966 and one worked loose plowing and almost ruined a wheel. I had wedges on my 1486 and had trouble getting them to come loose and after overhauling the rear end had one devil of a time to get them to lock, but once they did...never came loose.

If you want to move the wheels I'd suggest saving the money, and check the clamps. If you plan to leave them in the same spot forever, the wedges will do it.

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