If no one comes back with the numbers just stop into your Cat dealer and get them.I,m sure OM on here has a book with the numbers so maybe he will chime in now.
What is the blade serial number??? Tag or stamped on the back right hand side near the top of the blade.
That would be a 4A???? the only 60 in.ga. straight blade made in USA for the 7U. - Corner bits 9F7073(r.h.heavy duty)- 6F7074(l.h.heavy duty) or 7F7221(r.h.)-7F7222(l.h.) - Gutting edge 3F6575 or 6F1347(heavey duty) - Bolts 3F5108
The later 67E series straight blade will also fit the 7U.
The three US-built, 4S (straight) blade models for the D4 are .. 2A1001-up, 4A2001-up, and 67E0001-up. These translate into modern Cat part numbering as 02A01001-up, 04A02001-up and 67E00001-up ..
The 2A was for a 6U not a 7U and the 67E was first made 20 yrs after the last 7U was made
The 67F1-up and 67E1-up are narrow and wide gage blades used on the 39A and 40A D4's starting 1959.
Show me where the guy said he had a 39A or 40A, what I read says D47U straight blade. It may have a toolbar blade on it. Sure the others will fit it and about 50 others will fit it too, but only 1 made by Cat for the D47U
I'd be interested in knowing about that other 50 that interchange.
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