2710 diff lock: Kubota Review  -- Kubota Tractors Discussion Forum and Review 2710 diff lock: Kubota Review -- Kubota Tractors Discussion Forum

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 06-27-2002, 21:30 Post: 39890
KR
2002-06-27 21:30:55
Post: 39890
 2710 diff lock

Just bought new 2710, love it. The first day I was being real careful not to mess anything up before studying manual, i.e. driving w/parking brake on, etc. Anyhow, I did try to engage diff lock twice W/OUT slowing engine speed, and I believe one whell was turning, (exactly what it says not to do in manual). The engine was not running at rated speed, and the wheel was not spinning that hard. There were no real noises that occurred, nothing happened to make me think I hurt anything, but did I? Is the damage that may occur something you would know about if it did occur? This is my first tractor and I really like it. Did a lot of reading on this site that was very helpful pre-purchase. Thanks.






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 06-28-2002, 13:35 Post: 39895
Billy

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 2710 diff lock

I wouldn't worry about it KR. I do that all the time on my JD 4610.

Billy






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 06-29-2002, 08:28 Post: 39908
BillMullens

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 2710 diff lock

The diff lock on my TC29 won't engage until one wheel is spinning a bit. The manual says to reduce engine speed before engaging the diff lock? Never heard of that; usually when I need both back wheels pulling reducing engine speed is the last thing on my mind. I wouldn't worry.
Bill






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 06-30-2002, 07:15 Post: 39926
cutter



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 2710 diff lock

I have done it both ways, by slowing and also when in motion. Have heard and felt the device lock in, sometimes with a little clunk, but never had damage occur.






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 07-01-2002, 08:03 Post: 39949
Art White



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 2710 diff lock

I think the most common work done on diff locks is loosening the linkage as it gets rusty from not useing it. Don't worry about what you did as I don't think you have hurt it.






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 09-11-2002, 18:22 Post: 42291
T. Bower
2002-09-11 00:00:00
Post: 42291
 2710 diff lock

KR
Don't worry about it. I have engaged the difflock thousands of times in some real bad situations on many different tractors. On overhauling the final drives on these tractors I have never seen a damaged diff lock yet. The collars and splines were always in perfect shape. Even on 50 year old tractors with 50,000 hrs on them.






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 09-12-2002, 06:46 Post: 42302
TomG

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 2710 diff lock

Similar to the consensus here, I suspect that the manuals give good practice, but poor practice isn't really all that bad. No matter what is written in a manual, somebody doing ground engaging work and is bogging down in a mire is going to hit the diff lock rather than come to a stop while trying to do 'good practice.' I sort of guess that diff locks actually are designed for such use because that's how they're going to be used.

One wheel spinning fast while the other is stopped does increase the stress on parts when the locking dog does engage--especially if one wheel has high traction or suddenly gains traction, so it is better to get the rpm down. I imagine that really aggressive 'good practice also would say to shift to a lower gear or slow the speed pedal, but that's a little much to ask when somebody is just trying to keep their tractor from digging into a mud hole.

Myself, I tend to use the foot throttle rather than the hand throttle. My foot has to come off the throttle to hit the diff lock, so the rmp automatically drops to my fast idle speed. Because most diesels don't loose much torque between pto and fast idle rpm's there really isn't much of a power loss, and I can build the rpm back up with the hand throttle if the diff lock is going to pull me out of the mire. Besides, if the wheels are spinning there's more power than can be used anyway.

So, the way I tend to operate a tractor comes pretty close to manual practice most times, but I really don't worry much about it the other times either. Far as I know Bill is right that one wheel has to spin a bit before a lock will engage. A lock won’t engage when the TX is in neutral, the clutch is in or when just driving in a straight line when both wheels have traction.






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Discussion Boards > Active Subjects > Messages as Posted > Kubota Review Forum

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