[AT] OT Hay truck

Steve W. swilliams268 at frontier.com
Sat Jul 23 15:43:10 PDT 2016


Cecil Bearden wrote:
> Steve:
> I thought the same thing, but there are 2 filters in line on the right 
> rear of the engine.  Which one is the primary the front or the back one?
> 
> 
> On 7/22/2016 5:19 PM, Steve W. wrote:
>> Cecil Bearden wrote:
>>> My 1991 4700 IHC old Highway dept truck is in need of an oil change.
>>> It has the DT360 turbocharged engine.  It has 2 oil filters.  My
>>> questions is: do these filters connect in series or parallel.   There
>>> are 2 filters listed, a 16 micron and a 24 micron.   The price
>>> difference is a bunch.  If these are in series, then I would want to put
>>> the 24 as a primary and the 16 as secondary.  If they are in parallel,
>>> then I would just bite the bullet and install both as 16 micron.   It
>>> has not been changed since I bought the truck.   The truck only gets
>>> about 50 miles a year use...
>>>
>>> Cecil in OKla
>>> _______________________________________________
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>>> http://www.antique-tractor.com/mailman/listinfo/at
>>>
>> Series, the 24 first then the 16.
>> 24 catches the big crap, 16 gets the rest.
>>
> 
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It's a bypass filter system. Been a while but I believe it's rear - 
primary front secondary. BUT I would probably use two 16 micron filters, 
they are not that much different in price from what I saw and you would 
get better protection.



-- 
Steve W.



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