Traction TC45D 4WD issue

[quepos]

I have a Boomer TC45D 2003 880 hs.

4WD lever has gone "limp"--moves freely obviously not engaging and so 4WD doesn't work.

It has always been a pain to move the lever into 4WD, finally learned to lift it w/ the bucket, that worked, but 3 or 4 attempts a year in the years before that of just trying the pedal back and forth and then pushin the lever, maybe too hard.

Anyway, now the 4WD lever slides back and forth completely freely--no tension--obviously not connecting to anything and so the tractor now does not engage into 4wd. This didn't happen with any indication of a problem--like with any noise of any kind, nor any other issues--it runs fine in 2WD, it seemingly just happened without me noticing.

Any idea of what to look for underneath to start with--it seems like it must be a linkage problem.
Will I have to drain the oil completely--I just replaced it a few months ago, expensive stuff--or if I tilt it back with the bucket will most of it drain away from where I need to look?

 

[Professor Marvel]

when i first got mine i was slipping and jammed it into 4wd. My little kubota had a clutch even though it was hST so i always used it for entering 4wd.
After that my NH had a grinding noise. I took it to dealer and they had to replace some gear.
ever since then i raise it on the bucket and tap the peddals lightly until it goes in easy.
GOOD LUCK!!!

 

[quepos]

Very interesting but not the issue with mine.

 

[Professor Marvel]

Very interesting but not the issue with mine.

could it just be a linkage issue with yours? maybe bent a little and not engaging?
have you been able to follow the linkage from the shifter and checked it for an apparent issue? it's probably worth a look.
do you have a diagram of the linkage? sometimes i go to messicks and go to their parts lists and often they have breakdowns of areas of the tractor

 

[quepos]

Thanks, but can't see linkage externally

 

[RickB]

Can’t see it? Why not?

 

[quepos]

My guy says the linkage goes direct into the box. Thanks--is he full of baloney?

 

[WM75Guy]

Your guy is wrong. Here is the parts diagram. There are several places it could have come apart before it goes into the transmission. Mine is stiff getting out of FWD, not a problem as it rarely has to come out of FWD.

Official New Holland Online Parts Store and Online Parts Catalog for New Holland and Ford Tractors.

 

[quepos]

Not sure if my thank you went thru, but thanks. I know that web sight, I copied the page for the box itself, looked under the wrong category I guess. I'll let you know.

Wish I was in the Piney Woods, love the smell. used to go that airport in Tyler alot when I was living in Tx in the 90's.

 

[quepos]

OK, we pulled the Transfer Box. everything is fine, linkage engages, nothing broken . On board lever to engage 4wd is still limp, unit is still not engaging to 4wd. This unit has super Steer. Any ideas on how to check--I called my former dealer, said has to be something from the Transfer Box to the front. Any ideas?

 

[Professor Marvel]

is this sensitrack

 

[quepos]

I don't think that was a term used anywhere in the manual for these and it isn't used not in the manual index; it may be Super Steer but the way the 4 wheel always worked on mine was via a lever on board, push it all the way forward for 4wd, all the way back for 2 wheel. The Super Steer gives it a full time 4wd option but that doesn't seem to be the case with me and I've had since 04, now 880 hs. thanks

 

[Professor Marvel]

do you have the manual then?

 

[quepos]

yes, right here

 

[Professor Marvel]

yeah i dont see it either
only the sensitrack
is there a piece of cable in the linkage?

 

[quepos]

IT is connected to the lever via a metal rod which seems to be functioning when we opened it, but the lever pushes/slides way too easy then it ever did before this occurrence.

Dealer who is a long way from me said get under it and see if the drive shaft is iterating towrd the front wheels when engaged.

 

[Professor Marvel]

did you follow the linkage all the way from 18 to 20 in the picture above

 

[quepos]

did you follow the linkage all the way from 18 to 20 in the picture above

the picture didn't come thru but did you get it from the manual or the schematic--I copied a bunch of them this week end, the guy that is helping me has them but I can get it again if you tell me which NH schematic you got out it from

 

[Professor Marvel]

the one in your post 8
when i push the lever forward into FWD the 3in lever going into the gearbox moves up

 

[Professor Marvel]

is that lever moving up on yours?