PTO.

[steelman0933]

I just purchased a new 2012 mahindra 6110 shuttle w/cab. Is there any way to prevent PTO from starting up full blast or is there a way to start it slowly. Even with tractor at it's lowest rpm it snaps a #8 bolt in my bush hog most of the time. Dealer says thats normal. I don't buy that . Anyone can help I would certainly appricate it.

 

[cyrush]

Is the engagement of the PTO mechanical?? Or hydraulic??

 

[steelman0933]

its mechanical , Has button on dash and lever to pull by left leg. both has to be engaged before pto will operate

 

[RoyJackson]

If you're engaging the PTO at the lowest RPM (no more then 1000 RPM and a little less is better), that grade 8 bolt shouldn't snap.
Does this happen with any other implement driven by the PTO? If not, the issue may be with the cutter rather then the tractor.

 

[steelman0933]

cutter is new and ive made sure it turns freely. I couldn't belive the dealer said this is "normal". I wonder if anyone else has this problem? seems to me like there should be some way to start the pto slow instead all at once. Oh well, thanks for your time. I appricate you.

 

[BobG_in_VA]

cutter is new and ive made sure it turns freely. I couldn't belive the dealer said this is "normal". I wonder if anyone else has this problem? seems to me like there should be some way to start the pto slow instead all at once. Oh well, thanks for your time. I appricate you.

Its not normal...your dealer is either uninformed or full of crap....if your " left hand engage" is like mine ('02 6000), you can "bump" it a little at a time till your mower spins up...I have a 7 brush cutter and it has never done that before (although I do have a slip clutch on the mower...it never has slipped..). I suggest you tell your dealer to give you a gross of those #8 bolts if its normal....BobG in VA

 

[scott_vt]

Its not normal...your dealer is either uninformed or full of crap....if your " left hand engage" is like mine ('02 6000), you can "bump" it a little at a time till your mower spins up...I have a 7 brush cutter and it has never done that before (although I do have a slip clutch on the mower...it never has slipped..). I suggest you tell your dealer to give you a gross of those #8 bolts if its normal....BobG in VA

Good Mornin Bob,
Boy, Im not familiar with that tractor but I have never heard of such a thing as shearing grade #8 bolts on start up ! And I think its even more rediculous that the dealer says this is normal... :confused2:

I would think a call to the manfacturer or another dealer in the area might get you better results !

 

[Soundguy]

i think it's odd using a gr8 bolt as a shear bolt.

I looked at mahindras many years back and they had some sort of electric solenoid engaged pto.. it was an all or nothing deal and I passed ont hem for that reason.. looks like they may have progressed a lil bit.. but how much?

 

[BobG_in_VA]

i think it's odd using a gr8 bolt as a shear bolt.

I looked at mahindras many years back and they had some sort of electric solenoid engaged pto.. it was an all or nothing deal and I passed ont hem for that reason.. looks like they may have progressed a lil bit.. but how much?

The older "big" ones were never solenoid..it was an independent lever on left side which activated the PTO clutch...my 6000 also came with 540 and 1000rpm pto....looks like they may have re-gressed instead....BobG in VA

 

[Kioti Tom]

I just purchased a new 2012 mahindra 6110 shuttle w/cab. Is there any way to prevent PTO from starting up full blast or is there a way to start it slowly. Even with tractor at it's lowest rpm it snaps a #8 bolt in my bush hog most of the time. Dealer says thats normal. I don't buy that . Anyone can help I would certainly appricate it.

Using a grade 8 bolt for a shear bolt sounds not to be right to me. Grade 2 yes, Grade 5 sometimes when the MFR recommends it. Grade 8, Never. Too much chance of damaging something either on the tractor or the implement. I would check the
paper work on the implement to check what they recommend. The dealer may full of it or uniformed.

 

[scott_vt]

i think it's odd using a gr8 bolt as a shear bolt.

Good Afternoon Chris,
Agreed, that sounded strange also... my only suggestion is to idle the tractor down as much as possible. I gather its not a slip it in gradually type of setup... like I have

 

[PoorPlowboy]

i think it's odd using a gr8 bolt as a shear bolt.

I looked at mahindras many years back and they had some sort of electric solenoid engaged pto.. it was an all or nothing deal and I passed ont hem for that reason.. looks like they may have progressed a lil bit.. but how much?

I agree. Using G8 shear bolts have caused many ill-timed and required repairs in the past.

 

[Soundguy]

The older "big" ones were never solenoid..it was an independent lever on left side which activated the PTO clutch...my 6000 also came with 540 and 1000rpm pto....looks like they may have re-gressed instead....BobG in VA

i distinctly remember having a brochure in my hand .. model was something like a 2550 or something liek that.. and it mentioned solenoid engauge.. mind you.. this was back in the 90's not recently. I also looked at a unti that had a 4000 sounding number.. 4500 or ? ? been too long for me to remmeber. these struck me as being about '30hp' sized machines.

 

[RoyJackson]

i distinctly remember having a brochure in my hand .. model was something like a 2550 or something liek that.. and it mentioned solenoid engauge.. mind you.. this was back in the 90's not recently. I also looked at a unti that had a 4000 sounding number.. 4500 or ? ? been too long for me to remmeber. these struck me as being about '30hp' sized machines.

If I recall posts correctly, there are other brands with electrically actuated PTOs. I recall this because some TBNers were concerned about the sudden shock to their tractor's PTOs...again, IIRC, some were engaging the PTO at higher RPM. Or, am I losing my mind?
Anyway, can't recall too many (if any) breaking shear pins when engaging.

 

[Jerry/MT]

Don't engage the pto with the engine at max rpm. Keep the engine rpm as low as possible (preferably low idle) when you engage the pto. A grade 8 shear bolt is asking for trouble. Check your owners manual and make sure that you should be using a grade 8 bolt. They are normally a grade 2 bolt.