[AT] Iron and lots of it

[Al Jones]

I don't think it's a noticable amount of slippage.  IIRC the gear ratio is 
just a tiny bit faster.  That is why they say turn the FWA off on the 
highway--tires wear faster because the front axle is trying to pull the 
back.

At least I think. I can't remember where I heard, but either way I don't 
think the front and rear axle ratios match.

Not sure about the articulated full-time 4wd tractors either.

Al

--------------------------------------------------
From: "charliehill" <charliehill at embarqmail.com>
Sent: Sunday, May 09, 2010 9:30 PM
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Subject: Re: [AT] Iron and lots of it

> Al, if you put it in FWA while not pulling a load do the front wheels 
> slip?
> If so you are correct.   I'm really not sure.
>
> Charlie
> ----- Original Message ----- 
> From: "Al Jones" <farmallsupera at earthlink.net>
> To: "Antique tractor email discussion group" 
> <at at lists.antique-tractor.com>
> Sent: Sunday, May 09, 2010 9:01 PM
> Subject: Re: [AT] Iron and lots of it
>
>
>> Charlie,
>>
>> I think the front is actually geared a little faster than the rear.
>>
>> We bought our first FWA tractor this spring.  When pulling a disk, it
>> slips
>> like crazy.  Kick the FWA in, and it pulls like crazy.  Amazing.  Takes 
>> 40
>> acres to turn it around though.
>>
>> Al
>>
>> --------------------------------------------------
>> From: "charliehill" <charliehill at embarqmail.com>
>> Sent: Sunday, May 09, 2010 8:43 PM
>> To: "Antique tractor email discussion group"
>> <at at lists.antique-tractor.com>
>> Subject: Re: [AT] Iron and lots of it
>>
>>> Carl,  I think FWA is generally slightly underdriven, meaning the rear
>>> wheels are driven slightly faster than the front.  This causes the front
>>> wheels to more or less free wheel until a certain % of slipage is felt 
>>> at
>>> the rear wheels.  Then the front wheels start to "assist".
>>>
>>> I'm not sure about that one either but it's the way I understand it.
>>> Corrections welcome!
>>>
>>> Charlie
>>> ----- Original Message ----- 
>>> From: "carl gogol" <cgogol at twcny.rr.com>
>>> To: "Antique tractor email discussion group"
>>> <at at lists.antique-tractor.com>
>>> Sent: Sunday, May 09, 2010 6:44 PM
>>> Subject: Re: [AT] Iron and lots of it
>>>
>>>
>>>> What is the difference between front wheel assist and four wheel drive?
>>>> Carl
>>>> ----- Original Message ----- 
>>>> From: "Mike Sloane" <mikesloane at verizon.net>
>>>> To: "Antique tractor email discussion group"
>>>> <at at lists.antique-tractor.com>
>>>> Sent: Sunday, May 09, 2010 5:54 PM
>>>> Subject: Re: [AT] Iron and lots of it
>>>>
>>>>
>>>>> I have to say that we very rarely had to do any repairs on any 
>>>>> machines
>>>>> we sold. The most common problem was owners leaving the front axles
>>>>> engaged all the time and wearing out the front end - the ones we sold
>>>>> were "front wheel assist", not real "four wheel drive". I don't know 
>>>>> if
>>>>> Kubota is any different. The farm tractors were very solid and held up
>>>>> very well. (They are also much more comfortable than the older
>>>>> machines.)
>>>>
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