Not mine, this content was copied from Chucks Trucks forum. Not sure of the actual origin.

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R1 TIRE SIZES

4

..>

R1 TIRES

 

 

 

 

 

GALAXY

 

 

 

AGRI-STAR R-1

PLY

TUBE

RIM WIDTH

WEIGHT

O.D.

WIDTH

8.3-24

6

TL

7

49

39.1

8.3

9.5-24

4

TT

8

65

41.3

9.5

11.2-24

4

TL

10

79

43.4

11.2

12.4-24

8

TL

11

91

45.7

12.4

13.6-24

6

TL

12

128

47.6

13.6

14.9-24

8

TL

13

128

49.8

14.9

16.9-24

10

TL

15

187

52.5

16.9

18.4-26

6

TL

16

181

57.1

18.4

11.2-28

4

TL

10

130

47.4

11.2

12.4-28

4

TL

11

93

49.6

12.4

13.6-28

6

TL

12

123

51.6

13.6

14.9-28

6

TL

13

143

53.8

14.9

14.9-28

8

TL

13

143

53.8

14.9

13.6-28

6

TT

12

112

51.6

13.6

 

 

SUPER TRACTOR R-1

PLY

TUBE

RIM WIDTH

WEIGHT

O.D.

WIDTH

11.2-20

8

TT

10

81

39.4

11.2

 

 

AGRI-TRAC R-1

PLY

TUBE

RIM WIDTH

WEIGHT

O.D.

WIDTH

11.2-24

6

TL

10

80

43.6

11.4

14.9-24

8

TT

13

134

49.6

15.6

16.9-26

10

TT

15

164

54.5

16.9

23.1-26

12

TL

20

313

63.2

23.1

16.9-28

10

TT

15

187

56.5

16.9

12.4-36

10

TL

11

131

57.7

12.4

12.4-38

6

TT

11

127

59.7

12.4

 

 

AGMASTER R-1

PLY

TUBE

RIM WIDTH

WEIGHT

O.D.

WIDTH

9.5-24

4

TT

8

57

41.3

9.5

11.2-24

TT

10

67

43.4

11.2

12.4-24

4

TT

11

99

45.6

12.4

14.9-24

6

TT

13

114

49.8

14.9

14.9-24

8

TL

13

201

49.8

14.9

16.9-24

6

TT

15

134

52.5

16.9

12.4-24

8

TT

11

89

45.6

12.4

12.4-24

4

TL

11

93

45.6

12.4

14.9-24

8

TT

13

119

49.8

14.9

12.4-24

6

TT

11

98

45.6

12.4

16.9-24

8

TT

15

141

52.5

16.9

11.2-28

4

TT

10

71

47.4

11.2

11.2-38

4

TT

10

75

57.4

11.2

12.4-28

4

TT

11

98

49.6

12.4

13.6-28

6

TT

12

116

51.6

13.6

14.9-28

6

TT

13

126

53.8

14.9

16.9-30

6

TT

15

162

58.5

16.9

18.4-30

6

TT

16

193

61.6

18.4

18.4-34

8

TT

16

245

65.1

18.4

13.6-38

6

TT

12

116

61.6

13.6

15.5-38

8

TT

14

173

61.8

15.5

18.4-38

8

TT

16

245

69.1

18.4

30.5-32

12

TT

27

623

70.6

30.5

 

 

 

 

 

 

 

ALLIANCE

 

 

 

T-324

PLY

TUBE

RIM WIDTH

WEIGHT

O.D.

WIDTH

9.5-20

6

8

37

9.5

8.3-24

6

7

39.2

8.3

9.5-24

8

8

41.3

9.5

11.2-24

6

10

43.5

11.2

12.4-24

6

11

45.7

12.4

14.9-24

6

13

49.8

14.9

16.9-24

8

15

</FONT>

52.6

16.9

18.4-26

6

16

57.1

18.4

8.3-28

6

7

43.1

8.3

11.2-28

6

10

47.4

11.2

12.4-28

6

11

49.6

12.4

13.6-28

6

12

51.6

13.6

14.9-28

6

13

53.7

14.9

16.9-28

6

15

56.6

16.9

14.9-30

6

13

55.7

14.9

16.9-30

6

15

58.5

16.9

18.4-30

6

16

61

18

9.5-32

6

8

49.3

9.5

12.4-32

6

11

53.5

12.4

16.9-34

6

15

62.4

16.9

18.4-34

6

16

65

18.4

9.5-36

6

8

53.3

9.5

12.4-36

6

11

57.7

12.4

 

 

T-357

PLY

RIM WIDTH

O.D.

WIDTH

12.4-24

6

11

45.7

12.4

12.4-36

6

11

57.7

12

15.5-38

6

14

61.8

15.5

18.4-38

6

16

68.9

18.4

 

 

T-304

PLY

RIM WIDTH

O.D.

WIDTH

12.4-24

4

11

45.7

12.4

14.9-24

4

13

49.8

14.9

16.9-24

6

15

52.6

16.9

11.2-28

4

10

47.4

11.2

12.4-28

4

11

49.6

12.4

13.6-28

4

12

51.6

13.6

14.9-28

6

13

53.7

14.9

 

 

I-331

PLY

RIM WIDTH

O.D.

WIDTH

500/45-20

8

16

38.6

19.3

550/45-22.5

8

16

42.1

21.7

500/60-22.5

8

16

46.1

19.7

550/60-22.5

8

16

48.7

21.7

600/40-22.5

8

20

42.1

23.6

600/50-22.5

8

20

46.1

23.6

600/55-22.5

8

20

50

23.7

700/40-22.5

8

24

46.1

27.6

42*25.00-20NHS

10

20.5

42.5

24.5

44*18.00-20NHS

4

14

45

18

48*25.00-20NHS

10

20.5

49

25

48*31.00-20NHS

10

26

49

30.5

 

 

 

 

 

FIRESTONE

 

 

 

TRACTION FIELD AND ROAD R-1

TUBELESS

 

 

PLY

DEPTH

RIM WIDTH

WIGHT

O.D.

WIDTH

  9.5-16  

4

1.25

8

44

33

9.5

 

 

  18.4-16.1  

8

1.57

16

155

44.8

18.4

 

 

  8.3-24  

4

1.18

7

47

38.9

8.3

 

 

  9.5-24  

6

1.25

8

62

41.2

9.5

 

 

  11.2-24  

4

1.34

10

71

43

11.2

 

 

  12.4-24  

6

1.42

11

90

45.8

12.4

 

 

  13.6-24  

6

1.46

12

102

47.5

13.6

 

 

  14.9-24  

6

1.5

13

123

49

14.9

 

 

  16.9-24  

6

1.54

15

145

52.5

16.9

 

 

  18.4-26  

12

1.57

16

223

57.4

18.4

 

 

 

 

TUBE TYPE

PLY

DEPTH

RIMWIDTH

WEIGHT

O.D.

WIDTH

9.5-16  

4

1.25

8

40

33

9.5

 

 

  12.4-16  

4

1.42

11

66

37.6

12.4

 

 

  8.3-24  

4

1.18

7

44

38.9

8.3

 

 

  9.5-24  

4

1.25

8

54

41.2

9.5

 

 

  11.2-24  

4

1.34

10

64

43

11.2

 

 

  12.4-24  

4

1.42

11

82

45.8

12.4

 

 

  13.6-24  

4

1.46

12

90

47.5

13.6

 

 

  14.9-24  

4

1.5

13

110

49

14.9

 

 

  16.9-24  

6

1.54

15

142

52.4

16.9

 

 

  13.6-26  

6

1.46

12

104

49.5

13.6

 

 

  14.9-26  

6

1.5

13

121

52

14.9

 

 

  16.9-26  

6

1.54

15

155

54

16.9

 

 

  18.4-26  

6

1.57

16

196

57.4

18.4

 

 

  12.4-28  

4

1.42

11

99

49

12.5

 

 

  13.6-28  

4

1.46

12

117

51.5

13.6

 

 

  14.9-28  

4

1.5

13

140

53.5

15.2

 

 

  16.9-28  

6

1.54

15

156

56

16.9

 

 

  18.4-28  

6

1.57

16

185

59.4

18.4

 

 

  16.9-30  

6

1.54

15

163

58

16.9

 

 

  18.4-30  

6

1.57

16

196

61.4

18.4

 

 

 23.1-30  

8

1.65

20

342

67.4

23.1

 

 

  16.9-34  

6

1.54

15

173

62

16.9

 

 

  18.4-34  

6

1.57

16

231

65.4

18.4

 

 

  9.5-36  

4

1.26

8

73

53

9.5

 

 

  13.6-38  

4

1.46

12

144

61.5

13.6

 

 

  14.9-38  

6

1.5

13

180

64

14.9

 

 

  15.5-38  

6