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Hi.

Picked up a new to me 76 R685 single axle.   I thought it was a 237 but the tag says ENDT-675, 235hp and a 3B engine family.   Can someone explain to me the difference in 237 and 235/ENDT-675 and 673?   And what is the 3B engine family all about?

 

Thanks.

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Makes me wonder why all the slight differences that were available and what the application was for.

IMG-20180116-202556-655.jpg

Larry

1959 B61 Liv'n Large......................

Charter member of the "MACK PACK"

 

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Lol.....didn't even remember starting that question back when I did my motor swap.

IMG-20180116-202556-655.jpg

Larry

1959 B61 Liv'n Large......................

Charter member of the "MACK PACK"

 

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I believe the B is related to having a Dynatard, upon further research...however this one does not have the wires going to the valve covers, nor a switch on the dash...

As for application, its in a single axle 1976 R685 that was left for dead.  I bought it and am bringing it back to life, in hopes of giving it another round. 

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