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673 or 237 ID

TJ'S Truck

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Hi I have a 56 BCR mack with a triplex trans and I'm not sure what engine I have as the numbers are ground off the rounded part in front of injection pump my motor has a turbo and two spin on oil filters and starter on left side, some think it might be a 237  as I know it came with a 673 and  duplex trans as per Mack info I got , is there any other tell tail ways to ID this engine Thanks Ted....

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these numbers are stamped in to inj pump H8720H8959H4214 then under those are these H6666H3467, THEN A PLATE  AMERICAN BOSH  APE  6BB110Q6368C1 CUST PART   313GC4323P1, SER NO 113072  THEN ANOTHER PLATE WITH THESE   GVB   250   1050C  5665  C1  these are all on the pump also another plate thats under the first set of numbers the   H8720  AND H6666 numbers hope this helps Thanks Ted...

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