What tire pressures is everyone running
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    Fordsdf250's Avatar
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    What tire pressures is everyone running

    Hi, I’m a new owner to a 4066r with r4 tires. Just want to see what everyone has their tires set too. In the book they have the rears at 24.7psi and the fronts at 45psi. I feel that seems a bit excessive. I do have a 440r loader installed as well as two sets of wheel weights. Even all that there is no give to the tires at all.
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    ddinham's Avatar
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    On my 4066R, I have the rears set for 10PSI and the fronts at 40PSI because of the loader. R4 tires.

    Dave
    Last edited by ddinham; 08-07-2019 at 08:56 PM.
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    JD 4066R CAB
    JD H180 FEL with SSQA brackets, JD iMatch, JD Ballast Box & ext, JD pull behind seed spreader
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    County Line post hole digger, Rhino 3pt 10ft brush hog, Land Pride 8ft rock rake
    Fit Rite Hydraulics 3pt Top Link, front 3pt adapter for SSQA, 7 1/2 ft Field Roller, 8ft Dearborn tandem disk

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    Quote Originally Posted by ddinham View Post
    On my 4066R, I have the rears set for 10PSI and the fronts at 40PSI because of the loader. R4 tires.

    Dave
    Those are values I would agree with.

    Maybe 15 in rears but that is a good size tire so I could certainly agree with 10. With the loader you have to keep the fronts high.
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    Welcome to Intermission.

    2017 2038R, 400, 3020 & HPX and thingies to hook to the them.
    112 - Sold in July 2017 but took me until November to admit I just cast it out into this cruel world.
    #compactfarmer

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    Old Pa-pa Old Cajun's Avatar
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    Got R 1's on my 4066r with cab, rears set at 15 PSI, slightly lower than 17.4 called for, fronts set at 25 PSI, slightly lower
    than 27.6 called for.

    Pretty decent PSI difference between R 1's and R 4's settings.
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    Neil

    2019 4066R with cab (aka Cooterpiller), 2014 997 Z Trak
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    home brew dirt and gravel grader, dirt scoop, choppers, Woods six foot belly mount sickle bar, home brew 3PH 25 gallon sprayer, 1992 33 inch cut Snapper
    rear engine rider, 1984 30 inch cut Snapper rear engine rider.

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    I'm a simple man. I set all my tractor tires at 20 PSI and call it a day.
    John Deere 4310 tractor, New Holland 575E backhoe, John Deere F725 mower

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    JDLTG's Avatar
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    My 4044R has R4ís and all 4 are filled with Rim Guard and set to the recommended pressures. I dug this rock out of the field with no problem, but moving it to its new home (selected by my wife) made me wish the front tires had more pressure.
    Attached Thumbnails Attached Thumbnails 336B4971-F9D9-4385-81C9-0A2AF8A20DF0.jpeg
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    Lee

    2018 JD 4044R/440R loader, 1939 JD model B, 2016 JD X380, 2017 JD X570 mowers. JD 503 brush mower, Frontier GM1060E finish mower, Frontier WC1105 wood chipper, JD 655 tiller. Cyclone Rake XL, Cyclone Rake Nut Rake, Misc discs and cultivators.

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    Quote Originally Posted by JDLTG View Post
    My 4044R has R4’s and all 4 are filled with Rim Guard and set to the recommended pressures. I dug this rock out of the field with no problem, but moving it to its new home (selected by my wife) made me wish the front tires had more pressure.
    I would suggest a ballast box on the rear to counter balance heavy loads like that. The front axle seals and wheel bearings will thank you. My ballast box weighs about 1500 lbs. You can see it in my photo collection. My ballast box has a Cat 2 mount that I adapted to a Cat 1. The Cat 1 box and the Cat 2 box were the same price buy only the Cat 2 box was in stock. To avoid shipping cost that was equal to the cost of the box which was $200 I took the Cat 2 box that was in stock. It worked out well and I can get what ever amount of ballast in it that I need.
    Last edited by MrTaz; 08-09-2019 at 09:04 AM.
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    JW

    2017 3039R, with engine block and transmission heater, 72" MMM with a JD mulching kit, H165 loader with a Heavy Duty 73 inch bucket and bolt-on replaceable cutting edge, John Deere Canopy top, BB5072 box blade, Cat. 2 Ballast box, Electrical trailer connector, 3rd, 4th and 5th SCV's with Diverter valve kit, plus Power Beyond Kit for backhoe & log splitter operation, Rear 3pt 2 inch receiver hitch, Deluxe Grill Guard, 57 inch tiller, iMatch, Plus a Project JD 330 Lawn tractor.

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    JDLTG†(08-09-2019)

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    ddinham's Avatar
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    Quote Originally Posted by JDLTG View Post
    My 4044R has R4ís and all 4 are filled with Rim Guard and set to the recommended pressures. I dug this rock out of the field with no problem, but moving it to its new home (selected by my wife) made me wish the front tires had more pressure.
    MrTaz is correct. You definitely need rear ballast for such a heavy load. Here is a pic of a very large hunk of concrete I lifted with my 4066R. My RFM weighs 1500# and there is no way I could have lifted that hunk of concrete without rear ballast.

    Dave

    Click image for larger version.†

Name:	IMAG0410.jpg†
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    BigJim55, blustnmtn and JDLTG like this.
    JD 4066R CAB
    JD H180 FEL with SSQA brackets, JD iMatch, JD Ballast Box & ext, JD pull behind seed spreader
    Frontier RB2196H 8 ft rear blade/hyd angle, Frontier BB1065 Box Blade, Befco 3pt 110 inch RFM
    48" pallet forks, KK 3pt Boom Pole, Northern Tool 3pt middle buster, 2 bottom Dearborn plow
    County Line post hole digger, Rhino 3pt 10ft brush hog, Land Pride 8ft rock rake
    Fit Rite Hydraulics 3pt Top Link, front 3pt adapter for SSQA, 7 1/2 ft Field Roller, 8ft Dearborn tandem disk

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    JDLTG†(08-09-2019)

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    JDLTG's Avatar
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    Quote Originally Posted by MrTaz View Post
    I would suggest a ballast box on the rear to counter balance heavy loads like that. The front axle seals and wheel bearings will thank you.
    Thanks, I actually had ballast weight when I moved the rock. My wife was at work and asked for a photo so I staged the photo after having put everything away. My mistake for posting a photo that showed an unsafe condition.

    Even with 1000 lbs on the back and the rock that was probably 1500-2000 lbs, the tractor was still a bit tippy. The loader could pick it up easily, but I kept it within a couple inches to the ground. Moving weight like that is not something I need to do very often and hopefully Iíve got all the large rocks out of the field.
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    Lee

    2018 JD 4044R/440R loader, 1939 JD model B, 2016 JD X380, 2017 JD X570 mowers. JD 503 brush mower, Frontier GM1060E finish mower, Frontier WC1105 wood chipper, JD 655 tiller. Cyclone Rake XL, Cyclone Rake Nut Rake, Misc discs and cultivators.

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    keeping the tractor stable with a load

    Everyone has different conditions...so here in hilly CT I have factory rear wheel spacers on my 4052r and a backhoe for weight in the back. I find the spacers an enormous help in keeping the tractor stable with either forks or my front loader heavily loaded. Yeah I do have to watch my corners with all that stuff on but can do jobs I never dreamed of before this tractor. I keep the rear tires at 25 psi and the fronts at 45 which is what the dealer set up when they sold me the tractor. A soft tire here, might let the tractor tip to the side with a load and then I'd be dealing with a whole other problem. I 'm jealous of you flatlanders....you can get away with a lot that would be a disaster here.
    All in all this tool is a hoot and I just put in several posts that required my back hoe to dig holes for in our stony ground. I keep finding more work to do with ....so never get bored.
    Karl Olson in SW CT where the wet weather has my nice weeds 6 feet high.
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