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-   -   Duel Wheels on GRW for Model Ls (https://www.mytractorforum.com/24-gravely/1336373-duel-wheels-grw-model-ls.html)

nhgravely 09-11-2019 02:19 PM

Duel Wheels on GRW for Model Ls
 
Anyone ever do this?
Just got a great set of 12"x4" wheels at the Dublin Show for $10 and was thinking about getting a duplicate set of 5-12 Ag tires to match the new ones on the Model L w/ the GRW to run duals. Have dual Ag tires (8") on the Model LS and they work great.
Have looked at Miller Tire's 12" dual setup but they gouge you on the shipping (over $26 for a $55 item), especially since the item is just two 12" poly rings and 8 carriage bolts. And I don't think the carriage bolt heads would clear the CI gear case of the GRWs.
Thought about cutting out of a Schedule 40 steel pipe (or poly or PVC) two rings 1" to 1.5" tall and just using threaded rod and lug nuts to attach the wheels to the tractor. Problem is not the material (have it) but rather that I don't have access to a big enough lathe to make the square cut(s) necessary.

Just thought I would throw this out there for discussion.
Thanks

franklin2 09-11-2019 06:04 PM

Re: Duel Wheels on GRW for Model Ls
 
Is there a purpose for dual geared wheels or you just want to see if it can be done? The geared wheels are heavy, so I don't see much advantage there, you already have lots of weight for traction. Dual wheels are always better for a wider stance so it will not tip over, but I never mow with gear wheels. I do blow snow with geared wheels and plow the garden. In those last two cases the wider stance would not work. The wheels would not fit in the furrow like they are supposed to with the rotary plow, and they would be too wide for the 30 inch snowblower to ride in the blower path.

Just wondering what you are getting ready to do that you would need a dual geared wheel.

nhgravely 09-12-2019 10:27 AM

Re: Duel Wheels on GRW for Model Ls
 
Good question
First, I did just want to know if anyone tried this but now I have in mind using the dual wheels w/GRW for snow plowing. Would make up a dual chain set and maybe even add weight to the tires. From what I have observed, you almost never have enough ballast for one of these tractors. The C8 just doesn't work very well with the plow and just trying to find a better way.

I also have found that the LS w/ the dual 8" wheels works great with the brush mower in heavy brush (not just grass but brush up to 1.5"). The GRW equipped L I think would work even better due to the added weight and the larger tires being able to climb over sticks and stumps better. Also, if I position the GRW in the right orientation I would gain additional clearance under the tractor which is always needed in the rough brush cutting we have (and hopefully miss all the rocks we have here in NH). I would then modify one of the 30" brush mowers to take advantage of this added clearance and then really have a true "mini brush hog".

Third use with the dual 12" wheels is to try it with the 40" Commercial mower, but not sure the 6.6 L engine will like that. The 7.6 C8 grunts more that a little when hooked up to the 40".

fireant911 09-12-2019 02:47 PM

Re: Duel Wheels on GRW for Model Ls
 
Quote:

Originally Posted by nhgravely (Post 12342545)
... The C8 just doesn't work very well with the plow and just trying to find a better way.

nhgravey,
I, too, would like to equip my C8 with a set of Gear Reduction Wheels (GRW) as even in low/low range it is somethings still too fast. Although I have read that the C8 machines cannot have GRW installed, I am not sure that this is entirely correct... take a look at this C8 machine with GRW's in place???


jrd 09-12-2019 03:11 PM

Re: Duel Wheels on GRW for Model Ls
 
Quote:

Originally Posted by fireant911 (Post 12342635)
take a look at this C8 machine with GRW's in place???

Plus it's a CI8!

Somebody must have done a bunch of work on that machine. Normally the right-hand axle housing of a swifto will not allow the GRW case to bolt up to it. I *think* you could add a not-very-thick adapter plate to make it work, but I'd never tried it.

A regular LI with GRWs will be slower in low than your C8 in low/low. An LS is even slower than that. I'd look for one of those if you're after slower speed.

The thing I've often wished for, per above, is more weight. Chains or no chains, the L just isn't heavy enough to shove masses of snow around. I'll also observe that for plowing, slower isn't always better. I generally have better luck plowing with a C8 in high. The extra momentum seems to help. If I had more weight, I bet that would help even more.

franklin2 09-13-2019 10:32 PM

Re: Duel Wheels on GRW for Model Ls
 
Quote:

Originally Posted by jrd (Post 12342645)
I'll also observe that for plowing, slower isn't always better. I generally have better luck plowing with a C8 in high. The extra momentum seems to help.

That has been my experience, plowing snow works best at higher speeds. Of course these machines have their limitations, you can't plow much over 6 inches, 8 inches at the most. Like pickup trucks with snowplows, you must plow with the storm if you have a lot of snow falling.


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