[AT] combine engine update

Cecil Bearden crbearden at copper.net
Sun Jun 19 20:12:59 PDT 2011


I have one truck with a 3208 and have had very good luck with it.  I also 
have a 3208 in my 613 scraper and it appears to be ok.  My 2 Ford semi's 
have 3406B's in them.  The  Freightliner  has a 400 cummins

Cecil in OKla


----- Original Message ----- 
From: "charlie hill" <charliehill at embarqmail.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Sunday, June 19, 2011 8:51 PM
Subject: Re: [AT] combine engine update


> Cecil,  CAT likes to sell parts!  Of course, as you well know, not all of
> their engines are known for reliability and longevity.  There is the 3208,
> better known as a throw away.  At least I think it was the 3208, it's been 
> a
> long time since I messed with truck engines.
>
>
>
> -----Original Message----- 
> From: Cecil Bearden
> Sent: Sunday, June 19, 2011 7:22 PM
> To: Antique tractor email discussion group
> Subject: Re: [AT] combine engine update
>
> I really do not understand why they ever came up with this design.  Cat
> engines are known for their reliability and longevity, but pull the head 
> to
> fix a small problem and you end up overhaulling the engine.  It really 
> seem
> like the engineers missed the boat on that design.
>
> Cecil in OKla
>
> ----- Original Message ----- 
> From: "john hall" <jtchall at nc.rr.com>
> To: "Antique tractor email discussion group" 
> <at at lists.antique-tractor.com>
> Sent: Sunday, June 19, 2011 3:07 PM
> Subject: Re: [AT] combine engine update
>
>
>> Cecil, the scary part of the whole rebuild was Deere and Clevite called
>> for
>> 3 O-rings per sleeve. I talked to techs at Clevite as well as the machine
>> shop and neither could explain why the parts list conflicted against what
>> was in the engine. I agree that whenever you open up an engine built like
>> this, you need to change the O-rings!
>>
>> John Hall
>>
>> ----- Original Message ----- 
>> From: "Cecil Bearden" <crbearden at copper.net>
>> To: "Antique tractor email discussion group"
>> <at at lists.antique-tractor.com>
>> Sent: Saturday, June 18, 2011 7:28 AM
>> Subject: Re: [AT] combine engine update
>>
>>
>>> John:
>>> Sounds like that engine is built just like a lot of caterpillar engines.
>>> If
>>> you pull the head you have to pull the sleeves and put in new seals
>>> because
>>> the head holds the sleeves down against the seals..  Our old 2 o-ring
>>> sleeves on the old tractors were really  built for servicing, not like
>>> these
>>> later models....
>>>
>>> Cecil in OKla
>>> ----- Original Message ----- 
>>> From: "john hall" <jtchall at nc.rr.com>
>>> To: "Antique tractor email discussion group"
>>> <at at lists.antique-tractor.com>
>>> Sent: Saturday, June 18, 2011 5:44 AM
>>> Subject: [AT] combine engine update
>>>
>>>
>>>> Been awful quiet lately so I thought I'd share an update on my combine
>>>> engine. Last spring, I found water in the oil on the engine on my John
>>>> Deere 55 combine. We pulled the head and changed the gasket and all
>>>> appeared well. Cut the wheat crop with no problems. Last fall we again
>>>> found water in the oil--2 weeks before cutting soybeans. I mentioned it
>>>> on
>>>> the list here and inquired about block seal. I decided to try some K&W
>>>> Block Seal. It appeared to work as we cut the beans with no problems. I
>>>> put anti-freeze in for the winter and pretty much forgot about it. Then
>>>> in
>>>> late winter I went to crank it up one day only to find it was way low 
>>>> on
>>>> water and way too full of "oil". I looked around for high-tech block
>>>> sealers and found a couple that cost over $100, but they would not
>>>> guarantee a repair. Nothing else to do but pull the engine. Got a 
>>>> fellow
>>>> that lives nearby with a track-hoe to do the lifting for us and set it
>>>> in
>>>> the shop. When I dropped the pan I saw water leaking on 4 !
>>>> sleeves. The engine had been rebuilt before I got it using Clevite
>>>> parts.
>>>> It took a little doing but everything was converted over to new Clevite
>>>> numbers and we installed rings, rod bearings and sleeve seals. The
>>>> sleeve
>>>> seals in this engine leave a little to be desired. Only one seal is 
>>>> used
>>>> and the sleeve compresses it when the head is installed, like a metal
>>>> oil
>>>> filter canister. The current theory is when we pulled the head to 
>>>> change
>>>> the gasket, we released the pressure on all the sleeves causing them to
>>>> start leaking. Anyway, we just finished cutting wheat with no engine
>>>> troubles. Matter of fact the only trouble we had with the combine was a
>>>> leaking fuel bowl. Not bad for a machine that is older than its owner!
>>>>
>>>> John Hall
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