Loader Engine vibration

   / Engine vibration #1  

Cali

New member
Joined
Jul 15, 2012
Messages
3
Location
parsonsfield ME
Tractor
PT2445
I have a 2001 PT 2445 with a deutz diesel, it vibrates at certain rpms and then will smooth out
when the rpm is changed. Any thoughts on what may help or cure this ?
 
   / Engine vibration #2  
Why not just run it at the smooth RPM? Or has something changed that is making it worse?
 
   / Engine vibration #3  
Maybe clutch and or flywheel out of balance. Fan? Water pump ?
 
   / Engine vibration #4  
What are the running hours on the tractor ?

Have the fuel and air filters been serviced lately ?

Rgds, D.
 
   / Engine vibration #5  
Has it always doen this or did this just start?

Most engines have characteristic vibrations at certain rpms and if the rest of the tractor structure and sheetmetal happens to have natural frequencies in that same range of frequencies, it can excite those components to vibrate also.
On our Ford 4610, at a certain road speed the fenders and ROPS will vibrate, driven from the lug pattern of the tires. The vibration caused by the tire excites the fenders an ROPS/canopy to vibrate also.

If it just started to happen on your machine, you need to find out the reason. Loose harmonic balancer?
 
   / Engine vibration #6  
I hope Cali (the OP) comes back and answers everyones' questions. If he's getting the vibration at low RPM, that might be the nature of the beast...if at mid to high RPM, some of the suggested causes may be valid.
 
   / Engine vibration
  • Thread Starter
#7  
Thanks eveyone for the suggestions.

I have just got this machine so dont have any history on it, but will try your ideas and see if I can lessen
the vibration some.
 

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