Load ratings
 

Find the load corresponding to the rating marked on each of your tyres.

Tyres are marked with a service description containing the load capacity rating (a number) and the speed index (a letter or a letter with a figure.) Below is the load/speed table showing the corresponding values:

TABLE OF LOAD INDICES CORRESPONDING TO THE STANDARDIZATION OF RADIAL AGRICULTURAL TYRES FOR DRIVE WHEELS

RATING

KG

RATING

KG

RATING

KG

RATING

KG

RATING

KG

80

450

100

800

120

1400

140

2500

160

4500

81

462

101

825

121

1450

141

2575

161

4625

82

475

102

850

122

1500

142

2650

162

4750

83

487

103

875

123

1550

143

2725

163

4875

84

500

104

900

124

1600

144

2800

164

5000

85

515

105

925

125

1650

145

2900

165

5150

86

530

106

950

126

1700

146

3000

166

5300

87

545

107

975

127

1750

147

3075

167

5450

88

560

108

1000

128

1800

148

3150

168

5600

89

580

109

1030

129

1850

149

3250

169

5800

90

600

110

1060

130

1900

150

3350

170

6000

91

615

111

1090

131

1950

151

3450

171

6150

92

630

112

1120

132

2000

152

3550

172

6300

93

650

113

1150

133

2060

153

3650

173

6500

94

670

114

1180

134

2120

154

3750

174

6700

95

690

115

1215

135

2180

155

3875

175

6900

96

710

116

1250

136

2240

156

4000

176

7100

97

730

117

1285

137

2300

157

4125

177

7300

98

750

118

1320

168

2360

158

4250

178

7500

99

775

119

1360

139

2430

159

4375

179

7750

STANDARDIZATION OF SPEED SYMBOLS

SYMBOL

SPEED IN KM/H

A 1

A 2

10

A 3

15

A 4

20

A 5

25

A 6

30

A 7

35

A 8

40

B

50

D

65

UNITS OF MEASUREMENT

1 INCH (POUCE) : 

25,4 MM

1 mile :

1609 m

1 pound (lb) :  

0,454 kg

14 p.s.i. : 

1 bar

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