There’s a list for the Thor built Montgomery-Wards Sea Kings on page 258 of The Old Outboard Book, third edition. In case you don’t have a copy, here it is. The ‘W’ designates a Ward’s motor.
Thor/Sea King
1936 W1-W2580
1937 W3000-W6302
1938 W7000-W9000
1939 W9001-W11000