CUB CADET GEAR RATIOS

Top Pinion Gear

12

Tire Radius

13.45

84.5

circ

Big Front Gear

84

Engine RPM

6600

26.9

dia

Stock Cub Cadet

3rd

2nd

1st

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Top Shaft Tooth Count

26

19

13

15

16

17

18

20

21

22

23

24

25

27

Bottom Shaft Tooth Count

26

33

39

37

36

35

34

32

31

30

29

28

27

25

Final Gear Ratio

32.2

55.9

96.6

79.4

72.5

66.3

60.8

51.5

47.5

43.9

40.6

37.6

34.8

29.8

mph

16.4

9.4

5.5

6.7

7.3

8.0

8.7

10.3

11.1

12.0

13.0

14.1

15.2

17.7

Top Pinion Gear

10

Tire Radius

13.45

84.5

circ

Big Front Gear

86

Engine RPM

6600

26.9

dia

20% Underdrive

3rd

2nd

1st

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Top Shaft Tooth Count

26

19

13

15

16

17

18

20

21

22

23

24

25

27

Bottom Shaft Tooth Count

26

33

39

37

36

35

34

32

31

30

29

28

27

25

Final Gear Ratio

39.6

68.7

119

97.6

89

81.4

74.7

63.3

58.4

53.9

49.9

46.2

42.7

36.6

mph

13.4

7.7

4.5

5.4

5.9

6.5

7.1

8.3

9.0

9.8

10.6

11.4

12.4

14.4

Top Pinion Gear

11

Tire Radius

13.45

84.5

circ

Big Front Gear

85

Engine RPM

6600

26.9

dia

10% Underdrive

3rd

2nd

1st

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Top Shaft Tooth Count

26

19

13

15

16

17

18

20

21

22

23

24

25

27

Bottom Shaft Tooth Count

26

33

39

37

36

35

34

32

31

30

29

28

27

25

Final Gear Ratio

35.5

61.7

107

87.7

80

73.2

67.1

56.9

52.5

48.5

44.8

41.5

38.4

32.9

mph

14.9

8.6

5.0

6.0

6.6

7.2

7.9

9.3

10.1

10.9

11.8

12.7

13.8

16.1

Top Pinion Gear

13

Tire Radius

13.45

84.5

circ

Big Front Gear

84

Engine RPM

6600

26.9

dia

One Faster Pinion Gear

3rd

2nd

1st

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Top Shaft Tooth Count

26

19

13

15

16

17

18

20

21

22

23

24

25

27

Bottom Shaft Tooth Count

26

33

39

37

36

35

34

32

31

30

29

28

27

25

Final Gear Ratio

29.7

51.6

89.2

73.3

66.9

61.2

56.1

47.6

43.9

40.5

37.5

34.7

32.1

27.5

mph

17.8

10.2

5.9

7.2

7.9

8.6

9.4

11.1

12.0

13.0

14.1

15.2

16.5

19.2

10% Overdrive

Top Pinion Gear

13

Tire Radius

13.45

84.5

circ

Big Front Gear

83

Engine RPM

6600

26.9

dia

3rd

2nd

1st

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Top Shaft Tooth Count

26

19

13

15

16

17

18

20

21

22

23

24

25

27

Bottom Shaft Tooth Count

26

33

39

37

36

35

34

32

31

30

29

28

27

25

Final Gear Ratio

29.4

51

88.1

72.4

66.1

60.5

55.5

47

43.4

40

37

34.3

31.7

27.2

mph

18.0

10.4

6.0

7.3

8.0

8.7

9.5

11.2

12.2

13.2

14.3

15.4

16.7

19.4

16% Overdrive

Top Pinion Gear

14

Tire Radius

13.45

84.5

circ

Big Front Gear

82

Engine RPM

6600

26.9

dia

3rd

2nd

1st

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Top Shaft Tooth Count

26

19

13

15

16

17

18

20

21

22

23

24

25

27

Bottom Shaft Tooth Count

26

33

39

37

36

35

34

32

31

30

29

28

27

25

Final Gear Ratio

26.9

46.8

80.8

66.5

60.6

55.5

50.9

43.1

39.8

36.7

34

31.4

29.1

24.9

mph

19.6

11.3

6.5

7.9

8.7

9.5

10.4

12.3

13.3

14.4

15.6

16.8

18.2

21.2

23% Overdrive

Top Pinion Gear

15

Tire Radius

13.45

84.5

circ

Big Front Gear

81

Engine RPM

6600

26.9

dia

3rd

2nd

1st

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Top Shaft Tooth Count

26

19

13

15

16

17

18

20

21

22

23

24

25

27

Bottom Shaft Tooth Count

26

33

39

37

36

35

34

32

31

30

29

28

27

25

Final Gear Ratio

24.8

43.1

74.5

61.3

55.9

51.1

46.9

39.7

36.7

33.9

31.3

29

26.8

23

mph

21.3

12.2

7.1

8.6

9.5

10.3

11.3

13.3

14.4

15.6

16.9

18.2

19.7

23.0

26% Overdrive

Top Pinion Gear

13

Tire Radius

13.45

84.5

circ

Big Front Gear

67

Engine RPM

6600

26.9

dia

3rd

2nd

1st

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Top Shaft Tooth Count

26

19

13

15

16

17

18

20

21

22

23

24

25

27

Bottom Shaft Tooth Count

26

33

39

37

36

35

34

32

31

30

29

28

27

25

Final Gear Ratio

23.7

41.2

71.1

58.5

53.3

48.8

44.8

37.9

35

32.3

29.9

27.7

25.6

22

mph

22.3

12.8

7.4

9.0

9.9

10.8

11.8

13.9

15.1

16.3

17.7

19.1

20.6

24.1

33% Overdrive

Top Pinion Gear

14

Tire Radius

13.45

84.5

circ

Big Front Gear

66

Engine RPM

6600

26.9

dia

3rd

2nd

1st

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Top Shaft Tooth Count

26

19

13

15

16

17

18

20

21

22

23

24

25

27

Bottom Shaft Tooth Count

26

33

39

37

36

35

34

32

31

30

29

28

27

25

Final Gear Ratio

21.7

37.7

65.1

53.5

48.8

44.6

41

34.7

32

29.6

27.3

25.3

23.4

20.1

m.p.h.

24.4

14.0

8.1

9.9

10.8

11.8

12.9

15.2

16.5

17.9

19.3

20.9

22.6

26.3

38% Overdrive

Top Pinion Gear

15

Tire Radius

13.45

84.5

circ

Big Front Gear

65

Engine RPM

6600

26.9

dia

3rd

2nd

1st

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Top Shaft Tooth Count

26

19

13

15

16

17

18

20

21

22

23

24

25

27

Bottom Shaft Tooth Count

26

33

39

37

36

35

34

32

31

30

29

28

27

25

Final Gear Ratio

19.9

34.6

59.8

49.2

44.9

41

37.7

31.9

29.4

27.2

25.1

23.3

21.5

18.5

m.p.h.

26.5

15.3

8.8

10.7

11.8

12.9

14.0

16.6

18.0

19.4

21.0

22.7

24.5

28.6

43 % Overdrive

Top Pinion Gear

16

Tire Radius

13.45

84.5

circ

Big Front Gear

64

Engine RPM

6600

26.9

dia

3rd

2nd

1st

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Top Shaft Tooth Count

26

19

13

15

16

17

18

20

21

22

23

24

25

27

Bottom Shaft Tooth Count

26

33

39

37

36

35

34

32

31

30

29

28

27

25

Final Gear Ratio

18.4

32

55.2

45.4

41.4

37.9

34.8

29.4

27.2

25.1

23.2

21.5

19.9

17

m.p.h.

28.7

16.5

9.6

11.6

12.8

13.9

15.2

17.9

19.5

21.1

22.8

24.6

26.6

31.0

47% Overdrive

Top Pinion Gear

17

Tire Radius

13.45

84.5

circ

Big Front Gear

63

Engine RPM

6600

26.9

dia

3rd

2nd

1st

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Opt.

Top Shaft Tooth Count

26

19

13

15

16

17

18

20

21

22

23

24

25

27

Bottom Shaft Tooth Count

26

33

39

37

36

35

34

32

31

30

29

28

27

25

Final Gear Ratio

17

29.6

51.1

42

38.4

35.1

32.2

27.3

25.2

23.2

21.5

19.9

18.4

15.8

m.p.h.

31.0

17.8

10.3

12.6

13.8

15.1

16.4

19.4

21.0

22.7

24.6

26.6

28.7

33.5

 

 

 

ROD LENGTH CHART

 

 

 

 

 

 

 

 

DECK HEIGHT

8.625

CRANK

 

 

 

 

 

 

 

 

STROKE

 

 

COMPRESSION DISTANCE OF PISTON

 

 

1.125

1.000

 

0.875

 

 

 

3.250

5.875

 

6.000

 

6.125

FLUSH ROD LENGTH

 

 

5.937

 

 

.062 POP OUT ROD LENGTH

 

6.000

 

 

 

 

.125 POP OUT ROD LENGTH

 

 

 

 

 

 

 

 

 

3.400

 

 

6.050

FLUSH ROD LENGTH

 

 

 

 

 

 

3.500

5.750

 

5.875

 

6.000

FLUSH ROD LENGTH

 

 

5.812

 

5.937

 

6.062

.062 POP OUT ROD LENGTH

 

5.875

 

6.000

 

6.125

.125 POP OUT ROD LENGTH

 

 

 

 

 

 

 

 

 

3.750

5.625

 

5.750

 

5.875

FLUSH ROD LENGTH

 

 

5.687

 

5.812

 

5.937

.062 POP OUT ROD LENGTH

 

5.750

 

5.875

 

6.000

.125 POP OUT ROD LENGTH

 

 

 

 

 

 

 

 

 

3.812

5.594

 

5.719

 

5.844

FLUSH ROD LENGTH

 

 

5.656

 

5.781

 

5.906

.062 POP OUT ROD LENGTH

 

5.719

 

5.844

 

5.969

.125 POP OUT ROD LENGTH

 

 

 

 

 

 

 

 

 

3.875

5.563

 

5.688

 

5.813

FLUSH ROD LENGTH

 

 

5.625

 

5.750

 

5.875

.062 POP OUT ROD LENGTH

 

5.688

 

5.813

 

5.938

.125 POP OUT ROD LENGTH

 

 

 

 

 

 

 

 

 

3.937

5.532

 

5.657

 

5.782

FLUSH ROD LENGTH

 

 

5.594

 

5.719

 

5.844

.062 POP OUT ROD LENGTH

 

5.657

 

5.782

 

5.907

.125 POP OUT ROD LENGTH

 

 

 

 

 

 

 

 

 

4.000

5.500

 

5.625

 

5.750

FLUSH ROD LENGTH

 

 

5.562

 

5.687

 

5.812

.062 POP OUT ROD LENGTH

 

5.625

 

5.750

 

5.875

.125 POP OUT ROD LENGTH