Srays
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Posts posted by Srays
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I just got a 1964 B-61 with a END673c engine. Don't know which oil filter it takes. I have been reading older posts and they
say that if there are 3 oil lines on the bottom of the filter canister-2 bigger than the other one-it's a full flow/bypass type.
Mine only has two lines and both are the same size. Is this a full flow filter? I don't think this year engine had that type; but
I'm not sure. They said that the full flow cartridge would be NAPA #1233 and the full flow/bypass is #1030. Do you think
either of these would work and what's the difference between these two?
Thanks J. Hancock. My canister is right at 9 in. So I probably can use the 1030. I'll remove the cartridge and check for
any numbers and can always bring it over to NAPA for a closer match.
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I have a 1964 Mack B61SX dump truck with the END673c engine. Does anyone know what the "c"
designation means? I can't find any information about this.
Thanks everyone for your great input!
B-61 Oil Filter
in Engine and Transmission
Posted · Edited by Srays
I've only had this truck a few weeks and was told it had an END673c engine. It may have come from the factory with that
but I now know it has an END673 in it since the oil filter it takes is a NAPA #1554 right at 9 3/4 in. tall, with a LuberFiner
500 canister. So I think that engine is 170HP and 480 lb/ft torque.