Unstyled version of Model D production figures:
- 1923-24 serial numbers 30401-30450, 50 built;
- 1924 serial numbers 30450-31279, approx. 830 built;
- 1924-26 serial numbers 31280-36248, approx. 4969 built;
- 1926-27 serial numbers 36249-53387;
- 1927-38 serial numbers 53388-143799, 90412 built.