R4 s On Turf - low or hi pressure?: John Deere Review  -- John Deere Tractors Discussion Forum and Review R4 s On Turf - low or hi pressure?: John Deere Review -- John Deere Tractors Discussion Forum

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 06-11-2005, 21:08 Post: 112241
92gt5ohRed



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 R4's On Turf - low or hi pressure?

This is really going to sound stupid, but since you already read the subject you get the idea.

I have a 4110 and R4's. Since I have abougt 3 acres of grass to mow, I am adding a 60" MMM now. I hear the R4's are not that bad on grass, but do I run them hard or soft? Someone has to know what their optimal pressure is for grass use. I tend to run them more hard for FEL and BH work. Thoughts? Thanks!







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 06-11-2005, 22:10 Post: 112242
kwschumm



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 R4's On Turf - low or hi pressure?

The optimal pressure is that which allows the tread to lie perfectly flat. Look at the tread from the rear while parked on concrete and adjust pressure till it's flat. Too much air and the edges will curl up, too little and the center will.






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 06-12-2005, 05:33 Post: 112252
jsebert



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 R4's On Turf - low or hi pressure?

That is very good advise to air the tires till the tread is is full contact with a level surface such as concrete. However the pressure needs to be adjusted every time that you put on other implements or take an implement off. I am in the tire business and I have farmers call every week inquiring about tire pressure on tractors large and small.






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 06-12-2005, 09:19 Post: 112263
DRankin



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 R4's On Turf - low or hi pressure?

On a 4110 with R-4's you can't air them down.

You can take all the air out and the tire is so stiff that it still appear to be inflated..... until you drive it and the tire comes off the rim. Ask me how I know.

The average guy with a garage full of tools will NOT be able to put that tire back on its bead. It takes some serious tire store, big boy, high pressure wazoo stuff to make that work.

I would not carry less than 15 psi in this tire on a small tractor..... but it will look and act the same as if it had 40 pounds in it.






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 06-12-2005, 09:25 Post: 112265
Justus



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 R4's On Turf - low or hi pressure?

"high pressure wazoo stuff to make that work."

Thanks Mark, I've always wondered what the technical terminology was for that equipment. Steve






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 06-12-2005, 11:05 Post: 112267
Chief



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 R4's On Turf - low or hi pressure?

I run the tire pressure specified in the owner's/operator's manual. As Mark has mentioned already; it is just NOT worth the risk of having a tire come off the bead or rim especially a filled tire.






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 06-12-2005, 14:03 Post: 112272
DRankin



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 R4's On Turf - low or hi pressure?

Steve.... well, now ya know!

Mark

(What do you call that air tank nozzle thingy that blows a big elephant fart into the tire to get it on the bead??)






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 06-12-2005, 18:36 Post: 112278
92gt5ohRed



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 R4's On Turf - low or hi pressure?

Wow, that is service, so many replies so quick! I can't thank you enough. I will take a look at the tire sidewall and the manual and start there with pressure. I suppose a few laps around the yard will tell me if they are digging or spinning. This forum is so cool, thanks again!






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 06-12-2005, 19:02 Post: 112280
earthwrks

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 R4's On Turf - low or hi pressure?

Rankin: The big fart thing we call a "Cheatah" like the big cat; might be the brand name too, not sure.

The low pressure thing--I have noticed that the ride quality will be very bouncy with low pressure, especially in the rears.

A trick I use to mount equipment tires is a few shots of starting fluid with an air line attached to the tire stem (it whips up the ether vapor inside the tire)---stand back, light a match quickly and toss it near the bead (where the air/ether mixture is escaping). Be prepared for a loud but controlled explosion! Haven't had a tire yet this didn't work on.






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 06-13-2005, 07:02 Post: 112293
Art White



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 R4's On Turf - low or hi pressure?

WE do often add tubes into tires when filling for customers depending on their work to keep the sidewalls from seperating from the rim. I definitly don't recommend earthworks either bead sealer as I've seen the results of just air bringing the bead over the rim and lifting people from ten feet to 20 to the ceiling of the building! Even caught a garden tractor rear tire and rim for the same reason after it hit the fellow blowing it up and bounced off the 16' ceiling hitting a wall and still being five foot in the air thirty foot away as I ran out of my office to see what happened! No thanks to that one although I do know it has worked. The problem with R-4's is the load they are meant to carry which is normally for a single rear to carry the total weight of your compact tractor!






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Discussion Boards > Active Subjects > Messages as Posted > John Deere Review Forum

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92gt5ohRed 2 | Art White 1 | Chief 1 | DRankin 4 | earthwrks 3 | harvey 1 | Jim on Timberridge 2 | jsebert 1 | Justus 1 | kwschumm 2 | Murf 2 | oneace 1 |




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