MOTOR NUMBER LOCATION DIAMOND T TRUCKS: on right hand side of motor block rear exhaust manifold, also stamped in plate on right side of motor.
HERCULES MOTOR USED ON ALL DIAMOND T MODELS SINCE 1925 ; EXCEPT MODELS: 150,151,152,200,
215,601,1603,2500, SA AND S7.
DIAMOND T TRUCK MOTOR NUMBER LOCATION INFORMATION FROM 1947 BRANHAM AUTOMOBILE REFERENCE BOOK.