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  1. #51
    Platinum Member 3v0's Avatar
    Join Date
    Jan 2013
    Posts
    520
    Location
    Oklahoma Pan Handle, United States
    Tractor
    Kubota BX2200

    Default Re: Is 4WD necessary?

    I grew up with 2WD farm tractors. Where they really sucked was deep mud with weight in the FEL bucket. Not uncommon with cattle.

    With a field tractor at about 150HP a 2WD even with duals has a hard time getting the power to the ground.

    And as some people said the SCUTS work better with 4WD.

    Quote Originally Posted by OP
    My next door neighbor farms a few hundred acres of potato and grain. He says absolutely no need for 4WD. What say you?
    He is correct. Now if you want to ever want to move snow.

    For me I do not care for liquid in the rear tires mainly because of nails etc.

  2. #52
    Elite Member
    Join Date
    Sep 2002
    Posts
    3,449
    Location
    Red Bluff, CA
    Tractor
    Changes often!

    Default Re: Is 4WD necessary?

    Quote Originally Posted by cowsmowmygrass View Post
    With my 6500 4wd, I was able to dig out my pond during the drought getting ready for the next rain. The 4wd was absolutely necessary to back up the grade with a full bucket. I think FEL work benefits from 4wd. Heavy uphill backing, like digging any big hole, will need 4wd.
    Your 6500, just like the new 30 series and 60 series, have massive front axles and planetary gears, etc. So you can get away with this, but we actually see people breaking front axle parts if they do this a lot. What happens is when backing up hills with a big load in the bucket, your back end is light due to the angle and the load, and you are asking a front axle designed to be only assistive to move the entire tractor with a load, up a hill, probably in soft soil. If you pop the clutch carelessly, then one of several things must happen. 1) Everything holds (like on your 6500) and you just simply back up the hill but put a huge strain on the front wheel assist system 2) The front tires spin, and they won't want to with all that traction 3) the clutch slips, and that is not likely 4) you break an axle shaft or driveshaft couple or gear in the front end.

    Even on a compact tractor, a rear axle might be 2" in diameter, the front will be half that. Likewise on the ring and pinion. They are designed for the rear axle to do most of the work moving the tractor.

    We all do this sort of thing, but I'd recommend to folks that they be gentle when asking the front axle to take those kind of loads.

    I think one huge advantage of 4wd is brakes. When going down a hill in 4wd and you hit the brakes, the front axle is mechanically connected to the brake system in a round about way and you essentially get front brakes. That is a huge advantage. It's a scary thing going down a hill with a full bucket load with a 2wd and realizing that your rear tires are barely touching and you essentially have no brakes.
    Dave
    Dave's Tractor, Inc.
    Red Bluff, California

  3. #53
    Super Star Member
    Join Date
    Mar 2008
    Posts
    11,643
    Location
    Northern Fingerlakes region of NY, USA
    Tractor
    Kubota L3830GST, B7500HST, BX2660

    Default Re: Is 4WD necessary?

    Quote Originally Posted by 3v0 View Post
    I grew up with 2WD farm tractors. Where they really sucked was deep mud with weight in the FEL bucket. Not uncommon with cattle.
    I agree. Dad had a Massey Industrial 35 (50HP Perkins, 6' wide bucket, big machine), it could move a barn IF you had enough traction. It rarley had enough traction even with chains, loaded tires and wheelweights. He "downsized" to a Kubota L3650 (~40HP, 4x4 with a cab and loader) and it would in most cases outwork the Massey.

    Aaron Z
    A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.
    Robert Heinlein, Time Enough for Love

  4. #54
    Super Member bindian's Avatar
    Join Date
    Feb 2007
    Posts
    5,454
    Location
    Willis, Texas
    Tractor
    Mahindra 6520 4WD

    Default Re: Is 4WD necessary?

    Quote Originally Posted by DavesTractor View Post
    It's a scary thing going down a hill with a full bucket load with a 2wd and realizing that your rear tires are barely touching and you essentially have no brakes.
    Dave,
    Loaded buckets make great drag anchors when brakes fade.
    hugs, Brandi

  5. #55
    Elite Member
    Join Date
    Sep 2002
    Posts
    3,449
    Location
    Red Bluff, CA
    Tractor
    Changes often!

    Default Re: Is 4WD necessary?

    Quote Originally Posted by bindian View Post
    Dave,
    Loaded buckets make great drag anchors when brakes fade.
    hugs, Brandi
    Until you swap ends halfway down a hill....
    Dave
    Dave's Tractor, Inc.
    Red Bluff, California

  6. #56
    Super Star Member
    Join Date
    Mar 2008
    Posts
    11,643
    Location
    Northern Fingerlakes region of NY, USA
    Tractor
    Kubota L3830GST, B7500HST, BX2660

    Default Re: Is 4WD necessary?

    Quote Originally Posted by DavesTractor View Post
    Until you swap ends halfway down a hill....
    As long as the wheels stay on the ground, you then have a "sea anchor" type drag anchor...

    Aaron Z
    A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.
    Robert Heinlein, Time Enough for Love

  7. #57
    Super Member bindian's Avatar
    Join Date
    Feb 2007
    Posts
    5,454
    Location
    Willis, Texas
    Tractor
    Mahindra 6520 4WD

    Default Re: Is 4WD necessary?

    Quote Originally Posted by DavesTractor View Post
    Until you swap ends halfway down a hill....
    I don't go that fast on hills. Besides, the only hills around here are made by me. A friend of mine had a JD 310TLB that didn't have any brakes. Bucket on the ground was it.
    hugs, Brandi

  8. #58
    Member
    Join Date
    May 2013
    Posts
    25
    Location
    In, MD
    Tractor
    JD-X758, JD-4110

    Default Re: Is 4WD necessary?

    Greetings : I've been looking far and near on the cyber treads trying to find 4wd specifics. Been a 4wd drive owner for 40 of my 60. Truck and tractor. All been get wet and lock to the toggle from the cab lock. Up to this point I have known the do's and wish I didn't do's. Well I cannot determine whether the new JD 758 4wd will be able to cut grass while turn and return on dry pavement. It appears it is full time. Any you folks have any suggestions or comments. I am posting this in a couple threads. Thanks

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