Keith in the UK..
Interesting find you Keith.
I just checked a GM manual dated January 1941 and they have a C60s listed nothing but C30...... similar Ford manual of January 1942 has mention of F30 but no "s"
If one keeps in mind the 6 months lead time in printing these books the S would have to be really an early designation.... then why would it reappear in 1943????
Strange!!!!!
Bob C.
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Bob Carriere....B.T.B
C15a Cab 11
Hammond, Ontario
Canada
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