L3400DT grind when shifting?

   / L3400DT grind when shifting? #11  
I'm in the dark a little here but is the DT a synchronized tranny?

I would look at the clutch adjustment first but if it is not doing it all the time I doubt it is that. Just to make sure maybe you should check it or have it checked.

If it is a synchronized tranny my next guess would be that somehow after setting in neutral for a while if something associated with the synchronization process inside the tranny was bad it could be allowing it to "drift" a bit and causing the grinding.

I have a grey market Kubota w/ shuttle shift (GL-21) and I can shift gears "on the fly" all day long without grinding, as long as I'm going up. Down shifting is another story. To use the shuttle I have to be at an almost dead stop.

HTH.
 
   / L3400DT grind when shifting? #12  
I can now (with a little practice) shift the 4-speed half on the fly w/out rattling anything. /forums/images/graemlins/smirk.gif

When you are bh-ing or whatever do you have both shifters in "neutral"? maybe keeping the 4-speed shifter in a range (3rd or 1st are out of the way) would keep the tranny from free-wheeling and causing the rattle.

Side note qestion - How do you guys mount up on your rigs? No matter how I do it, I seem to get both feet on the left side board and have to shuffle - step over. What's the secret? /forums/images/graemlins/tongue.gif
 
   / L3400DT grind when shifting?
  • Thread Starter
#13  
When Backhoeing I do keep the 1-4 shift leveler in gear. I have been lately seeing if before I shift the f-r lever I take the 1-4 to neutral.
Maybe I will ask the dealer to take a look at it I don't know much about adjusting the clutch or if it is synchronized tranny.
Jeez I just had it in last week to have the 3 point valve replaced wish I would of had them look at it.
Chris
 
   / L3400DT grind when shifting? #14  
I experimented with this on mine yesterday (while loading to take her to the dealer for the 3-point valve repair).

I too would get a little rattle when I leave it idle for a while in neutral. Nothing too much, just a little rattle. With the 1-4 in any position, by the way. /forums/images/graemlins/confused.gif
 
   / L3400DT grind when shifting?
  • Thread Starter
#15  
Av8r,
Would you mind asking your dealer if this is normal I talked with mine yesterday and he said it was I would just like to verify this.
He said when it is sitting in neutral the gears misalign and often it will grind.
BTW the 3 point valve change is a great idea big difference for me.
Thanks Chris
 
   / L3400DT grind when shifting? #17  
banjo:

I've had my L3400DT for just over a year now, and I've been bugged by this the whole time. I've posted on it in the past, but apparently I haven't explained it clearly enough.

Let's say I've been using the hoe, or some other activity where the tractor has been completely, totally, incontrovertibly STOPPED for at least a minute. When attempting to take off again, I fully depress the clutch, wait about a second, and then shift into L (assuming I'm wanting to go forward--the same thing happens in R). Here's the kicker: I have to wait exactly 5 seconds to shift into 1-4 or gears will grind. Keep in mind the tractor hasn't moved--not one inch. Attempting to shift into 1-4 before that 5 seconds is up will make the transmission sound as if it's had the mystery chili special at the local greasy spoon.

I must point out that 99.99% of the time, I set my hand throttle to whatever RPM suits the job I'm doing. I have found that at low idle, that 5 second delay is a bit less, but it still seems to me that if the tractor hasn't moved, there should be no grinding--synchronized or not.

What am I missing here? /forums/images/graemlins/confused.gif
 
   / L3400DT grind when shifting? #18  
I get the grinds too unless I push in the clutch for about 5 seconds and wait to shift.

It seems worse when the tractor is pointed up hill.

Oh well.
 
   / L3400DT grind when shifting? #19  
My Ford 1910 does exactly the same thing. When in neutral with the clutch out the main shaft of the tranny is turning. I have to wait about 4 or 5 seconds for every thing to stop after pushing the clutch in and then shift into gear. If I'm in gear I don't have to wait, I just must stop completely and shift.

This is quite normal. It's been this way for over 20 trouble free years.
 
   / L3400DT grind when shifting?
  • Thread Starter
#20  
The waiting seems to be the key to stopping the grinding.
Lately after backhoeing when I get back in the driving seat and throttle down I push the clutch in for about 3-5 seconds then shift and there is almost always no grinding.
In other situations when the tractor has been sitting still idleing for a while and I am ready to shift I push the clutch in and rev the motor for a second then let it wind down and I shift I have never had it grind doing this.
 

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