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#4609790 - 12/20/17 11:11 PM 1965 Allis Chalmers OEM Bypass Filter
A310 Offline


Registered: 04/16/15
Posts: 331
Loc: Kelowna, BC, Canada
Thought I'd show you guys my 1965 Allis Chalmers Buda 4BD153 diesel bypass filter system. I'm restoring this old forklift and went to change the filter and realized it was a bypass filter. There is no full flow oil filter, but instead a Napa 10 um bypass filter. I've got no idea how many years or hours are on the filter, but I cut it open to see if there was any nasty stuff in the filter. I found no metal or any debris and took an oil sample to have analysed. Here's some pictures:)










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#4609801 - 12/20/17 11:50 PM Re: 1965 Allis Chalmers OEM Bypass Filter [Re: A310]
Chris142 Offline


Registered: 06/05/03
Posts: 16819
Loc: Deplorable in apple valley, ca
My 1957 case 300 uses the same filter.
_________________________
02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40

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#4609802 - 12/20/17 11:51 PM Re: 1965 Allis Chalmers OEM Bypass Filter [Re: A310]
silverbar Offline


Registered: 12/20/17
Posts: 42
Loc: Spocant WA
Probably been on there since last annual oil change.

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#4609869 - 12/21/17 06:25 AM Re: 1965 Allis Chalmers OEM Bypass Filter [Re: A310]
Kruse Offline


Registered: 10/05/05
Posts: 4295
Loc: Kansas
I've got a Cockshutt 30 tractor with the Buda 4B153 gasoline engine. When you look at the conditions these engines operated in, and saw the primitive filtration system these engines had, it's amazing that they still run after decades of hard use.

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#4610193 - 12/21/17 12:46 PM Re: 1965 Allis Chalmers OEM Bypass Filter [Re: A310]
silverbar Offline


Registered: 12/20/17
Posts: 42
Loc: Spocant WA
Yes, splash and drip lube can work quite well on agricultural engines. Throw in a modern oil filter if you got an oil pump and the thing will last more forever.

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#4611182 - 12/22/17 11:50 AM Re: 1965 Allis Chalmers OEM Bypass Filter [Re: A310]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: A310
I found no metal or any debris and took an oil sample to have analysed. Here's some pictures:)



How gritty is this stuff?
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4611238 - 12/22/17 12:43 PM Re: 1965 Allis Chalmers OEM Bypass Filter [Re: A310]
BrocLuno Offline


Registered: 09/06/15
Posts: 5514
Loc: Kalifornia Kollective
Biggest help to a lot of these old engines, magnetic drain plug smile

They don't spin fast enough to aerate the oil. The bearings are big and teh steel is usually good smile


Edited by BrocLuno (12/22/17 12:44 PM)
_________________________
Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

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#4615643 - 12/27/17 10:59 AM Re: 1965 Allis Chalmers OEM Bypass Filter [Re: Linctex]
A310 Offline


Registered: 04/16/15
Posts: 331
Loc: Kelowna, BC, Canada
Originally Posted By: Linctex
Originally Posted By: A310
I found no metal or any debris and took an oil sample to have analysed. Here's some pictures:)



How gritty is this stuff?



It's mostely carbon and a bit of sludge. The engine has had a history of no oil changes as the head and oil pan have a layer of hard carbon on them. I cleaned most of it off and will run Rotella T 15W40 in it from now on, so that will clean it up nicely. Overall I'm very happy with the condition of the engine all things considered. I finished rebuilding the injector pump and got the engine running again and it runs really well with no blowby, so very happy indeed.

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#4615645 - 12/27/17 11:01 AM Re: 1965 Allis Chalmers OEM Bypass Filter [Re: A310]
A310 Offline


Registered: 04/16/15
Posts: 331
Loc: Kelowna, BC, Canada
P.S. I did take an oil sample and will ship that off to BlackStone labs in the coming days, be interested to see what that says.

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