Upper right hand side of the differential carrier you will find the code. A series of
numbers designating the ratio TAA,THU,TJU,TLN,TMZ,TNA,TNB,TOT,TTF,TWI,
were all 4.10. A fourth letter which tell the plant it was built in G,W,B or K followed by a
series of four numbers telling the month built and day built:
http://www.pbase.com/dennygraham/eaton_ho52 I'm unsure of the coil/leaf thing, I've heard conflicting information about that and would
check both relying on the code.
Denny Graham
Sandwich, IL
