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Axle-mount vs. Rim-mount Duals

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MikeCIL

08-09-2007 16:00:49

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What's the advantages/disadvantages of axle-mount duals and rim-mount duals? Which is easier to
put on and take off? Thanks.

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Allan In NE

08-10-2007 06:43:02

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Re: Axle-mount vs. Rim-mount Duals in reply to MikeCIL, 08-09-2007 16:00:49

I just started using the axle mounts this year and will have to admit that I do like the "feel" and the "grab" of the hub mounts.

They just feel "solid" somehow.

But, I gotta tell ya, they are a royal pain in the southern-side to mount. Anyone that tells you that they are seemlessly "easy" to put on and take off, as compared to the snap-on type, is simply blowing wind up your skirt.

Allan

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RodInNS

08-10-2007 10:38:28

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Re: Axle-mount vs. Rim-mount Duals in reply to Allan In NE, 08-10-2007 06:43:02

Ahh, now Allan, everythings easy with the right gear! I just grab the wheel with the bale clamp on my skid steer. Manuver it right in place, snap bang, and run the nuts on with the gun. Nuttin' to it.
Course I'd understand your point if you didn't have that clamp or pallet forks...

Rod

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the Unforgiven skirt blow

08-10-2007 08:44:16

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Re: Axle-mount vs. Rim-mount Duals in reply to Allan In NE, 08-10-2007 06:43:02

If you just started using them this year maybe you just need more practice. I have been changing them on the same tractor for almost thirty years, and it can be done in just a few minutes by myself. You run the inside tire up on some blocks, roll the dual up beside the hub, put a bar under a lug to turn the dual to line up the bolt holes, and air wrench it on. I build a little ramp with the blocks so I can get the height where you want it. You should retorque the dual a couple times during the first few hours of operation. I remember when our new 1086 showed up, I wanted to run it so bad I could taste it. I got my chance when it had about 14 hours on it, pulling a V-plow. I looked out the right hand window just in time to see the dual flip up in the air and land beside the tractor, the bolts had worked loose. Real sinking feeling for a young guy, so since then I check them a lot until I am sure they are really locked down.

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RodInNS

08-10-2007 05:52:48

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Re: Axle-mount vs. Rim-mount Duals in reply to MikeCIL, 08-09-2007 16:00:49

If you have a tractor with bars to take the extra hub, then that's probably the easiest way to go. If your tractor has flange axles, then snap-ons are about the only way to go... or certainly the asiest, most practical way to go.
Snap-Ons do put more stress on the wheel center. I broke two. I know. Got heavier centers now, so I should be OK to break something else.
Installation is about the same if you've got the tools, so I think that's about a wash. If you've got an air gun and a set of pallet forks or a bale clamp to handle the wheel, you can pop them on in a few minutes each. It takes about that to put the snap-ons on too.
The only thing I find with the sanp on tpe is that the clamps do work loose sometimes. I've lost clamps. They can also spin on the inner wheel... It's not the greatest system, but if those are your options, that's what you do.
I would not under any circumstance want a hub adapter to put hub duals on my flange axles. That would just be a royal pain in the posteriour. Bar axles are another story.

Rod

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Doug Boll

08-10-2007 05:07:13

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Re: Axle-mount vs. Rim-mount Duals in reply to MikeCIL, 08-09-2007 16:00:49

I would much rather mount my 18.4x42 hub duals than 18.4x34 band duals, IH 806, 1066 ect.,centers do not stand up to band duals

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Don-Wi

08-09-2007 23:14:50

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Re: Axle-mount vs. Rim-mount Duals in reply to MikeCIL, 08-09-2007 16:00:49

We've always run clamp on's on our farm, and all for tillage or spreading manure, that's it. They go on for spring tillage, and come off as soon as it's done. Works just fine, no problems yet.

Donovan from Wisconsin

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msb

08-09-2007 21:21:23

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Re: Axle-mount vs. Rim-mount Duals in reply to MikeCIL, 08-09-2007 16:00:49

Depends on the reason for using them. Floatation or traction? Have used both . Each has an advantage or two. Been using straddle row clamp ons to plant 30 inch rows with for over ten years now with no problems.Wouldn't want to do tillage work with them.

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Seth_ia

08-09-2007 20:34:23

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Re: Axle-mount vs. Rim-mount Duals in reply to MikeCIL, 08-09-2007 16:00:49

clamp-on style are worthless for row crop work in my opinion. I know a guy that tried planting with clamp-on style, not a good idea, only lasted a year.

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Bill in Colo

08-09-2007 20:01:57

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Re: Axle-mount vs. Rim-mount Duals in reply to MikeCIL, 08-09-2007 16:00:49

When using wheel mount duals alway make sure that the outside tires have nomore than 2/3 the pressure of the inside tire. cost me a couple of axles on a 930 case western special.

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hardscrabble

08-09-2007 17:59:27

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Re: Axle-mount vs. Rim-mount Duals in reply to MikeCIL, 08-09-2007 16:00:49

I"ve had both. I"d say rim mount might be a little easier to manhandle and install/remove since they"re lighter. But, with rim mount you have one hub supporting two rims and tires, which I"m sure adds extra stress to the axles and drive train. With axle mount each rim and tire has its own hub to support it. And, you have two points of support on each axle, instead of one. Personally, I prefer axle mount duals.

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RAB

08-10-2007 01:21:38

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Re: Axle-mount vs. Rim-mount Duals in reply to hardscrabble, 08-09-2007 17:59:27

Excuse me for asking, but is it not the tractor which is supported by the wheels (through the axles)? Rim duals will be supported by the ground or the inner wheel generally. Only real time wheels are supported by the axle is when the wheels on that side are airborne? All duals will add stress to the axles and drivetrain. They are a 'means to an end' in that they are in addition to the tractor design. I wonder whether any manufacturer warranty covers the addition of about 100% extra traction on the axle of their machine (and placing the possible fulcrum much further away from the support bearings)?
Regards, RAB

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Joe(TX)

08-09-2007 18:24:31

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Re: Axle-mount vs. Rim-mount Duals in reply to hardscrabble, 08-09-2007 17:59:27

The axle stress would be the same. The stress on the inside wheel is higher though.
The axle mounts are more secure and can carry more torque to the ground..

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Jon Hagen

08-10-2007 10:50:37

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Re: Axle-mount vs. Rim-mount Duals in reply to Joe(TX), 08-09-2007 18:24:31

If the tractor has short axles or outboard planetary drives,then band duals are about the only option.

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