Tire size question.

[knightrider955]

My tractor has 16.9x28 R1 tires that are pretty shot. According to my tractor manual it originally came with 14.9x28 tires from the factory. Ive found a nice set of used Turf tires but they are 13.6x28. Will that narrower tire still fit on my rim? Has anyone ever gone to a narrower tire? I dont farm or anything so I dont need r1's

 

[tommaple]

They most likely will be shorter as well as narrower. That will make the rear end sit lower. You will see a big difference from the oversize tires you had to the turf tires which are smaller than the factory original.

 

[knightrider955]

They most likely will be shorter as well as narrower. That will make the rear end sit lower. You will see a big difference from the oversize tires you had to the turf tires which are smaller than the factory original.

Darn..well maybe I shouldnt get them then. I just cant seem to find any used tires in a 14.9 or a 16.9x28. And I cant find any new turf tires in those sizes. 28 inch rims must not be very common. But if they arent too much shorter I might do it.

 

[LD1]

It is not uncommon to go up or down tire sizes on older 2wd tractors.

Just looking on tractor data usually lists several sizes for different models.

But wether it will fit on the rim will depend on the rim width. so how wide is your rim??

 

[knightrider955]

It is not uncommon to go up or down tire sizes on older 2wd tractors.

Just looking on tractor data usually lists several sizes for different models.

But wether it will fit on the rim will depend on the rim width. so how wide is your rim??

According to tractor data, 14.9x28 is what comes stock on my machine. So going to a 13.6 is only about an inch narrower. As far as rim width, I'll go out and measure them. The rims arent the stock ones though, they have huge cast iron centers and the rim itself has grooves on the inner part of it like its adjustable. I think their called power adjust? I'll measure them and get back to ya.

 

[LD1]

According to tractor data, 14.9x28 is what comes stock on my machine. So going to a 13.6 is only about an inch narrower. As far as rim width, I'll go out and measure them. The rims arent the stock ones though, they have huge cast iron centers and the rim itself has grooves on the inner part of it like its adjustable. I think their called power adjust? I'll measure them and get back to ya.

That is what my concerns are. IF they had to get a larger rim to accomodate the tire upsize last time around, you may have to go back to a smaller rim to get the 13.6 tires to fit.

But out of curiosity, why are you wanting to replace the tires?? If you have ags on now, and they are worn out, they will still provide better traction than turfs and not tear the lawn up too bad. And if you have a FEL, the 16.9's will hold a good bit more fluid if they are filled.

 

[Gary Fowler]

There is an internet tire company that specializes in blem tires. Nothing mechanically wrong with them but they sell at substantial discounts. I cant remember the name, but someone on TBN probably knows. Search the internet for discount tractor tires if no one responds.

 

[Gary Fowler]

The place is called TIRETOWN.com and below is example of tire prices. 'well it didnt paste correctly but they have new and used. Shipping might be a bear for a large tire though. They list all kinds of tires tractor, implement etc.

24 and 26 inch tires 28, 30, and 34 inch tires 38, 42, & 46 inch tires
Size Price Size Price Size Price
New Used New Used New Used
8.3 x 24 $110 $85 11.2 x 28 $200 $165 11.2 x 38 $205 $175
9.5 x 24 $125 $95 12.4 x 28 $215 $175 12.4 x 38 $305 $195
11.2 x 24 $145 $85 12.4R28 Call Call 13.6 x 38 $255 $205
11.2R24 Call Call 13.6x28 (4 & 6 ply) $235 $205 14.9 x 38 $295 $225
12.4 x 24 (4 ply) $195 $100 13.6 x 28 (10 ply) $385 $260 15.5 x 38 $285 $205
12.4 x 24 (6 ply) $235 $120 13.6R28 $445 $285 15.5R38 $725 $265
12.4R24 Call Call 14.9 x 28 (6 ply) $210 $175 16.9 x 38 $400 $350
13.6 x 24 (4 ply) $195 $125 14.9 x 28 (10 ply) $410 $275 16.9R38 $785 $400
13.6 x 24 (8 ply) $285 $185 14.9R28 $600 $350 18.4 x 38 $425 $245
14.9 x 24 (4 ply) $195 $120 16.9 x 28 (6 ply) $300 $250 18.4R38 $690 $500
14.9 x 24 (8 ply) $225 $180 16.9 x 28 (10 ply) $475 $300 20.8 x 38 $595 $450
16.9 x 24 (6 ply) $235 $195 16.9R28 $785 $425 20.8R38 $750 $395
14.9 x 26 (6 ply) $220 $200 18.4 x 28 $365 $275 18.4 x 42 Call Call
14.9 x 26 (10 ply) $310 $225 600/65R28 $925 $500 18.4R42 $850 $450
14.9R26 $550 $350 14.9 x 30 $380 $275 20.8 x 42 Call Call
16.9 x 26 $350 $250 14.9R30 $560 $350 20.8R42 $1050 $595
16.9R26 $675 $450 16.9 x 30 $320 $280 14.9R46 $675 $425
18.4 x 26 (6 ply) $390 $285 16.9R30 $625 $400 18.4R46 $910 $625
18.4 x 26 (10 ply) $500 $350 18.4 x 30 $345 $285 Low, Low Prices
18.4R26 $850 $500 23.1 x 30 $700 $425
Sale day, everyday
14.9R34 $720 $400
18.4R34 $680 $400

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[knightrider955]

That is what my concerns are. IF they had to get a larger rim to accomodate the tire upsize last time around, you may have to go back to a smaller rim to get the 13.6 tires to fit.

But out of curiosity, why are you wanting to replace the tires?? If you have ags on now, and they are worn out, they will still provide better traction than turfs and not tear the lawn up too bad. And if you have a FEL, the 16.9's will hold a good bit more fluid if they are filled.

Ok heres the story. Yes the tractor has a 6 foot loader in it. Yes 16.9's are loaded and are around 780lbs each . They are R1 ag tires. They are in pretty bad shape with dry rot and big splits in the sidewalls. Tread is probably 50%. They do tear the grass up a little and leave big ruts due to the weight. So I wanted to go to turf tires and leave them unloaded. I dont do any farming. I just haul wood in my loader and grade my driveway with a back blade. I want to get a mower and a snowblower. The tractor is actually way bigger than I need at 60hp. I only have 3 acres. Plus the tractor is so heavy that its really hard to haul it anyware. With the loader and the loaded tires its about 7000lbs.

 

[LD1]

To each is own but I think you will be really disappointed with the capabilities of that tractor with undersized turfs and not loading them.

Our JD 2040 has ags that are loaded and about the equivellent tread of turfs. It wont getout of its own way. It will literally get stuck on a wet leaf with Just the weight of the loader, let alone putting anything in it.

If you go the route you are planning, I dont think that blade will you much good. Because when you drop it to the ground, you have absolutly no added weight to the rear, and turfs to boot. Unless you have a way of removing the loader, I dont think you will be able to move much dirt/gravel. And with a bucket load of wood, I think you will be fighting it more than you want, especiall trying to back up.

If possible, and you really want the turfs, I'd look for a set of rims. That way, if you are unhappy with the performance, you can throw your old tires back on. If you decide you can live with them, sell your old tires/wheels then.