hurstL78 Posted February 23, 2008 Share Posted February 23, 2008 I was looking at the numbers on the engine block where the injection pump mounts and they are:END 673 354 61.my question is what do the numbers 354 61 represent?thanksVan Quote Link to comment Share on other sites More sharing options...
hurstL78 Posted February 28, 2008 Author Share Posted February 28, 2008 anybody? Quote Link to comment Share on other sites More sharing options...
terry Posted February 28, 2008 Share Posted February 28, 2008 Would't they just be the block seriel numbers? terry Quote Link to comment Share on other sites More sharing options...
mackmixer Posted February 28, 2008 Share Posted February 28, 2008 (edited) I would guess that it is just a sequential serial number for the END 673 engine but it could be tied to a date code, especially with the spaces between the numbers that you have shown, i.e.the 354 may be the 35th week of 1954 and the 61st engine that of that week or354 could be the 3 month of 1954 and the 61st engine of that monthJust a guess, some manufacturers did tie to a date code of some sort.Some manufacturers stamped the engine number to agree with the truck(or car) serial numberSome more of our experts will chime in............I noticed in your profile that you have a 1955 truck Edited February 28, 2008 by mackmixer Quote David Link to comment Share on other sites More sharing options...
hurstL78 Posted February 29, 2008 Author Share Posted February 29, 2008 thanks for the help trying,I just thought they might be something important,the truck the engine is in is a '59,thanks againVan Quote Link to comment Share on other sites More sharing options...
theakerstwo Posted March 1, 2008 Share Posted March 1, 2008 thanks for the help trying,I just thought they might be something important,the truck the engine is in is a '59,thanks againVan I have worked mack engines for many years and i can tell you i have never wondered about those #s so i am thinking you may not need them either. It is not the part # and it may mean something to some one but me and you will be ok with out knowing. Quote glenn akers Link to comment Share on other sites More sharing options...
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