Kubota L4760 with Sbp1684 snowblower??

   / Kubota L4760 with Sbp1684 snowblower??
  • Thread Starter
#31  
Snowblower running

Click this link to a video I uploaded to YouTube of it running. Volume up. You can hear it quite well and see the washer fluid in the tractor tank shaking badly.
 
   / Kubota L4760 with Sbp1684 snowblower?? #32  
Snowblower running

Click this link to a video I uploaded to YouTube of it running. Volume up. You can hear it quite well and see the washer fluid in the tractor tank shaking badly.
To me, that looks normal/typical.
 
   / Kubota L4760 with Sbp1684 snowblower?? #33  
That's not at all like I imagined from the description. That amount of movement is typical of any snowblower I have used over the years.
I wouldn't worry about it.
 
   / Kubota L4760 with Sbp1684 snowblower??
  • Thread Starter
#34  
Okay. I’m going to have my wife. Video it from the back. The whole thing shakes side to side and shakes the tractor with it.
 
   / Kubota L4760 with Sbp1684 snowblower?? #35  
Just watched your video, with the blower almost on the ground it seemed to have minimal bouncing around.
As you lifted it, it seemed to increase which would point towards u joint angles. Have you tried shortening and/or lengthening the toplink?
 
   / Kubota L4760 with Sbp1684 snowblower?? #36  
Snowblower running

Click this link to a video I uploaded to YouTube of it running. Volume up. You can hear it quite well and see the washer fluid in the tractor tank shaking badly.
For now all you can do is extend the lower links fully to negate the shake
and reduce the drive line angle of power transmission UNLESS you invest in
a PTO shaft with dual constant velocity universal joints.

They need to redesign the power transmission on this snow blower and use
a roller chain drive or a 3 spur gear gear box to maintain a near horizontal
driveline angle.
 
   / Kubota L4760 with Sbp1684 snowblower?? #37  
I don't know what to make of your video. There is some vibration, but it doesn't seem excessive. It might look more extreme in person. Part of what is making washer fluid waves is the raising and lowering action. You have nothing to lose by talking with your dealer. Finally, I never raise my PTO implements that high.
 
   / Kubota L4760 with Sbp1684 snowblower??
  • Thread Starter
#38  
Snowblower rocking from the rear

Here is a better video. Maybe it doesn’t look bad but it shakes the whole cab and tractor and I’m wobbling around in my seat. It would get old reallllly fast. I e watched all sorts of videos of guys running these and it never looks like that.
 
   / Kubota L4760 with Sbp1684 snowblower?? #39  
Call your dealer and tell them the impeller is not balanced and
creating so much centrifugal force it is causing the tractor and
the snow blower both to shake.

ALSO the noise you hear when you throttle up should not be there.

You should hear nothing more than the noise from the cross auger
rotating and the sound of the air blowing through the chute.

I am sorry you bought this thing.

Poor quality control and the lack of testing the snowblower by
kubota AND the dealer has led to this.

Ask for your money back and order a Pronovost or Lorenz rear
pull snow blower as they will most likely tell you that its normal
and I will tell you it is not!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
   / Kubota L4760 with Sbp1684 snowblower?? #40  
Call your dealer and tell them the impeller is not balanced and
creating so much centrifugal force it is causing the tractor and
the snow blower both to shake.

ALSO the noise you hear when you throttle up should not be there.

You should hear nothing more than the noise from the cross auger
rotating and the sound of the air blowing through the chute.

I am sorry you bought this thing.

Poor quality control and the lack of testing the snowblower by
kubota AND the dealer has led to this.

Ask for your money back and order a Pronovost or Lorenz rear
pull snow blower as they will most likely tell you that its normal
and I will tell you it is not!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

I don't agree. The shaking is the same or less than any snow blower I have ever owned.
 
 

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