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

Neptun   e

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