[AT] OT truck tires/driveshaft?

[charlie hill]

Yeah you are right Ron.
Wasn't thinking right for a second when
I wrote that.

Charlie

-----Original Message----- 
From: Ron Cook
Sent: Monday, May 12, 2014 1:36 AM
To: Antique tractor email discussion group
Subject: Re: [AT] OT truck tires/driveshaft?

Charlie,
     If there is only one gear in the rear, I think the driveshaft is
going to rotate at the same rpm at a given mph regardless of which gear
the transmission is in.  It is the engine crankshaft speed that will change.

Ron Cook
Salix, IA
On 5/11/2014 8:02 PM, charlie hill wrote:
> John you probably don't wind that truck up through the gears any more than
> necessary and shift to high gear at a relatively low speed right?
> If that's the case try running it in 3rd gear up to maybe 30 mph and see 
> if
> you get the vibration at a lower speed than you do in high.  That will
> accomplish the same thing as running the rear in low range (if you had 
> one).
>
> Charlie
>
> -----Original Message-----
> From: jtchall at nc.rr.com
> Sent: Sunday, May 11, 2014 8:25 PM
> To: Antique tractor email discussion group
> Subject: Re: [AT] OT truck tires/driveshaft?
>
> Was so sure it was/is a tire issue we only did a slight check on the
> driveshaft yesterday. The truck does not have a 2 speed rear. Haven't 
> tried
> greasing it to see if it helps, it shouldn't be dry no more than the truck
> is driven considering how often I grease it. Still doesn't mean something
> isn't trying to lock up, worth greasing to see if it helps.
> The center driveshaft hangar was replaced a 4 or 5 years ago, not many 
> miles
> on it and it still looked good yesterday. I did notice a little slop on 
> the
> driveshaft spline, I would think a little is acceptable on a machine of 
> this
> age?
> Haven't tried pushing the clutch in once the vibration starts.
> I tried a pry bar under the tires on one side while it was jacked up, 
> didn't
> notice any slop. I will say things are a tad noisy when you jack one side 
> of
> the truck up and put it in gear. Sounds loudest around back, normal? 
> Didn't
> really give it any gas when we were checking. You don't hear any strange
> noise in the cab while on the road, then again it's not very quiet in 
> there
> to start with.
>
> John
>
>
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