Models

Year Model Number Model Name Horse Power
1930 OB2 Muncie Twin 2 1/2
1930 OB2A Neptune Twin 2 1/2
1931 OB15A Muncie Master 16
1931 OB2 Muncie 2 1/2
1931 OB2A Junior Neptune 2 1/2
1931 OB2C Motorgo 2 1/2
1931 OB2CB Muncie Twin 2 1/2
1931 OB2D 2 1/2
1931 OB4A Improved Twin 4
1932 OB15A Muncie Master 16
1932 OB16 16
1932 OB3 Motorgo 4
1932 OB3A Junior Neptune 3 @ 2800 RPM
1932 OB3AU Junior Neptune 3 @ 2800 RPM
1932 OB3B Muncie Neptune 4
1932 OB3BU Muncie Neptune 4
1932 OB3U Motorgo 4
1932 OB4A Improved Twin 6
1932 OB5 5
1933 OB1 2
1933 OB15 Waterwitch 16 @ 4000 RPM
1933 OB15A Master 16 16 @ 4000 RPM
1933 OB15G Sea Gull 16 @ 4000 RPM
1933 OB16 16
1933 OB31 Junior Neptune Twin 3 @ 2800 RPM
1933 OB31A Junior Neptune Twin 3 @ 2800 RPM
1933 OB34U Muncie Twin 4
1933 OB4 Motorgo 4
1933 OB4A Improved Twin 5 @ 3200 RPM
1933 OB4B Muncie Twin 4
1933 OB4U Motorgo 4
1933 OB51 6
1934 OB1 Waterwitch 2
1934 OB15 Motorgo 16
1934 OB15A Master 16 @ 4000 RPM
1934 OB15B Master 16
1934 OB15G Sea Gull 16 @ 4000 RPM
1934 OB16 16
1934 OB1A Neptune Single 2
1934 OB31 Waterwitch 4
1934 OB31A Junior Neptune 4
1934 OB5 Motorgo ‘5’ 5
1934 OB51 Improved Twin 5
1934 OB5U Motorgo ‘5’ 5
1934 OB61 Improved Twin 6
1934 OB61A Improved Twin 6
1935 OB1 Neptune 2
1935 OB16 16
1935 OB17 Neptune 16 @ 4000 RPM
1935 OB32 Neptune 4 @ 3000 RPM
1935 OB63 Neptune 6 @ 3400 RPM
1936 OB11 Neptune 2
1936 OB16 16
1936 OB17 Neptune 16 @ 4000 RPM
1936 OB17 Waterwitch 16 @ 4000 RPM
1936 OB34 4
1936 OB35 Neptune 4 @ 3000 RPM
1936 OB64 6
1936 OB65 Neptune 6 @ 3400 RPM
1937 OB11 Neptune 2
1937 OB12A Neptune 2 @ 2800 RPM
1937 OB17 Neptune 16 @4000 RPM
1937 OB17A Neptune 16 @4000 RPM
1937 OB35 Neptune 4 @ 3000 RPM
1937 OB35A Neptune 4 @ 3000 RPM
1937 OB65 Neptune 6 @ 3400 RPM
1937 OB65A Neptune 6 @ 3400 RPM
1938 16A38 Neptune 16 @4000 RPM
1938 1A38 Neptune 1.2 @ 3000 RPM
1938 2A38 Neptune 2 @2800RPM
1938 4A38 Neptune 4 @3000 RPM
1938 6A38 Neptune 6 @3400 RPM
1938 9A38 Neptune 9 @4000 RPM
1938 9B38 Muncie 9 @4000 RPM
1939 16A39 Neptune 16 @ 4000 RPM
1939 16B39 Muncie 16
1939 1A39 Neptune 1.5 @3000 RPM
1939 2A39 Neptune 2 @ 2800 RPM
1939 4A39 Neptune 4 @ 3000 RPM
1939 5A39 Neptune 5 @ 3800 RPM
1939 6A39 Neptune 6 @ 3400 RPM
1939 9A39 Neptune 9 @ 4000 RPM
1939 9B39 Muncie 9 @ 4000 RPM
1939 OB15G Muncie 16
1940 10A1 Neptune 1.5 @ 3000 RPM
1940 10A10 Neptune 9.5
1940 10A16 Neptune 16 @ 4000 RPM
1940 10A2 Neptune 2 @ 2800 RPM
1940 10A4 Neptune 4 @ 3000 RPM
1940 10A6 Neptune 6 @ 4000 RPM
1940 10B10 Muncie 9 @ 4000 RPM
1941 11A1 Neptune 1.5 @ 3000 RPM
1941 11A10 Neptune 9.5 @ 4000 RPM
1941 11A16 Neptune 16 @ 4000 RPM
1941 11A2 Neptune 2.5
1941 11A3 Neptune 3.5 @ 4000 RPM
1941 11A6 Neptune 6 @ 4000 RPM
1941 11A9 Neptune 9.5
1941 11AA10 Neptune 9.5 @ 4000 RPM
1941 11AA2 Neptune 2 @ 3400 RPM
1941 11AA3 Neptune 3.5 @ 4000 RPM
1941 11AA6 Neptune 6 @ 4000 RPM
1941 11AA9 Neptune 9.5
1941 11AB9 Neptune 9.5
1941 11B1 Muncie 1.5 @ 3000 RPM
1941 11B10 Muncie 9.5 @ 4000 RPM
1941 11B16 Muncie 16 @ 4000 RPM
1941 11B2 Muncie 2
1941 11B4 Neptune 4 @ 3000 RPM
1941 11B6 Muncie 6 @ 4000 RPM
1945 15A1 Neptune 1.5 @ 3000 RPM
1945 15A3 Neptune 3.5 @ 4000 RPM
1945 15A6 Neptune 6 @ 4000 RPM
1945 15A9 Neptune 9.5 @ 4000 RPM
1945 15AA3 Neptune 3.5 @ 4000 RPM
1945 15AA6 Neptune 6 @ 4000 RPM
1945 15AA9 Neptune 9.5 @ 4000 RPM
1945 15B1 Muncie 1.5 @ 3000 RPM
1945 15B2 Muncie 2 @ 2800 RPM
1945 15B4 Muncie 4 @ 3000 RPM
1946 15A1 Neptune 1.5 @ 3000 RPM
1946 15A3 Neptune 3.5 @ 4000 RPM
1946 15A6 Neptune 6 @ 4000 RPM
1946 15A9 Neptune 9.5 @ 4000 RPM
1946 15AA3 Neptune 3.5 @ 4000 RPM
1946 15AA6 Neptune 6 @ 4000 RPM
1946 15AA9 Neptune 9.5 @ 4000 RPM
1946 15B1 Muncie 1.5 @ 3000 RPM
1946 15B2 Muncie 2 @ 2800 RPM
1946 15B4 Muncie 4 @ 3000 RPM
1947 17A1 Neptune 1.5 @ 3000 RPM
1947 17A2 Neptune 2.5
1947 17A3 Neptune 3.5 @ 4000 RPM
1947 17A6 6
1947 17A9 9.5
1947 17AA6 6
1947 17AA9 9.5
1947 17B1 1.5
1948 A1 Neptune 1.7 @ 3000 RPM
1948 B1 Muncie 1.7 @ 3000 RPM