Hydro Speed Change

[Bird]

</font><font color="blue" class="small">( It just seems that you don't need the clutch at all. )</font>

If you're completely stopped, you don't need the clutch to change ranges; however, on the ones I'm familiar with that have clutches (and others may be different), that clutch is also used to engage/disengage the "live" PTO. Personally, I tend to prefer that arrangement. The other arrangement, whereby the foot clutch is not used, is known as a "live independent" PTO that you simply engage/disengage with the PTO lever, but that type actually has a built in clutch just for the PTO. Either one works just fine. I just prefer the foot clutch.

 

[CTyler]

Mine has the lever for electricaly activated PTO engagement and the clutch. I'd have to verify but beleive its a live PTO. Meaning the clutch has no effect on PTO engagement.

 

[OkeeDon]

The clutch on my hydro TC18 is required to engage/disengage the PTO. I like it, for a simple reason. When I'm brush hogging, if I sense the cutters getting into something that may stall or hinder the cutting action, I just dump the clutch pedal. Everything stops -- tractor, PTO, and whatever was hindering the cutter stops the blades. All before any damage is done. Then, I disengage the PTO, let out the clutch and use the hydro pedal to slowly back off whatever it was that I hit (barbed wire, too thick a sapling, rock, chunk of wood, mound of dirt, whatever). Then, I engage the PTO again and slowly pull forward, usually chewing up whatever was in the way. Then, I can get going faster, again. It's saved my blades, gearbox, shear pin, tranny, whatever and etc., more times than I can count.

 

[B2400]

My Father-in-Law's new JD4115 does not use a clutch per-se either. The pto's are engaged with a pull type electric switch on the dash once the operator selects the particular pto he/she wants to use. The hydro is direct driven from the engine and therfore no clutch is necessary for that function. The pto clutches are an independent electro/hydraulic for each pto shaft I believe.

 

[CTyler]

</font><font color="blue" class="small">( however, on the ones I'm familiar with that have clutches (and others may be different), that clutch is also used to engage/disengage the "live" PTO. Personally, I tend to prefer that arrangement. )</font>

</font><font color="blue" class="small">( Mine has the lever for electricaly activated PTO engagement and the clutch. I'd have to verify but beleive its a live PTO. Meaning the clutch has no effect on PTO engagement. )</font>

I verified the PTO operation this weekend. With the PTO running at idle and nothing attached I pushed in the clutch and the PTO rpm went up a few.....hmmmm. Wasn't gonna grab it to see if it would stop./forums/images/graemlins/crazy.gif

Connected the roller pump and did the same thing...it stopped.
So I was wrong in my assumption on the live PTO. The PTO will disengage with the clutch depressed.

 

[GaryM]

No clutch on my JD4100 Hydro either.

 

[DaveNay]

</font><font color="blue" class="small">( FYI ... for ALL hydrostatically controlled transmissions with more than 1 range (I've only seen 2 or 3 range hydros), a clutch is present.)</font>

Nope....not on my JD 855.

Dave

 

[Steve_Miller]

Finally had the TC24DA out for a test drive yesterday. I'm definitely getting the hydro version (whether its NH or Kubota). As for the treadle pedal, didn't mind it a bit. Picked up on the treadle pedal as if were the accelerator on my old Kubota. Thanks for all of your input on this subject.

Steve