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Three numbers stamped in block

Fat Dan

Well-Known Member
Joined
Jan 14, 2020
Messages
175
Location
Alaska
On my 955C 12A03563, there are three numbers stamped in block on the left side above the ID tag and below the head. I was wondering what that is for?
block No 2.jpg
 

56wrench

Senior Member
Joined
Dec 4, 2016
Messages
2,182
Location
alberta
sometimes engine machine shops or rebuilders stamp the block with a number which is also on the work order so they can track it or refer back to it
 
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