Permissible Rear Axle Load in Relation to Tires

The values quoted here apply only for travel speeds up to 40 km/h (25 mph).

Tires

 

SRI*

7130 tractors

7230 tractors

7330 tractors

7430 and 7530 tractors

24.5-32

12 PR

825

6800 kg (14990 lb)

7000 kg (15430 lb)

7300 kg (16090 lb)

7300 kg (16090 lb)

18.4R34

139A8

775

4860 kg (10715 lb)

4860 kg (10715 lb)

4860 kg (10715 lb)

4860 kg (10715 lb)

650/75R34

162A8

875

6800 kg (14990 lb)

7000 kg (15430 lb)

7800 kg (17195 lb)

9500 kg (20940 lb)

18.4-38

8 PR

825

4860 kg (10715 lb)

4860 kg (10715 lb)

4860 kg (10715 lb)

4860 kg (10715 lb)

18.4R38

141A8

825

6000 kg (13225 lb)

6000 kg (13225 lb)

6000 kg (13225 lb)

6000 kg (13225 lb)

20.8R38

153A8

875

6800 kg (14990 lb)

7000 kg (15430 lb)

7300 kg (16090 lb)

7300 kg (16090 lb)

480/80R38

149A8

825

6500 kg (14330 lb)

6500 kg (14330 lb)

6500 kg (14330 lb)

6500 kg (14330 lb)

520/85R38

155A8

875

6800 kg (14990 lb)

7000 kg (15430 lb)

7750 kg (17085 lb)

7750 kg (17085 lb)

650/65R38

157A8

875

6800 kg (14990 lb)

7000 kg (15430 lb)

7800 kg (17195 lb)

8250 kg (18185 lb)

18.4R42

148A8

875

6300 kg (13890 lb)

6300 kg (13890 lb)

6300 kg (13890 lb)

6300 kg (13890 lb)

480/80R42

151A8

875

6800 kg (14990 lb)

6900 kg (15210 lb)

6900 kg (15210 lb)

6900 kg (15210 lb)

14.9R46

142A8

875

5300 kg (11685 lb)

5300 kg (11685 lb)

5300 kg (11685 lb)

5300 kg (11685 lb)

320/90R46

148A8

825

6300 kg (13890 lb)

6300 kg (13890 lb)

6300 kg (13890 lb)

6300 kg (13890 lb)

420/80R46

151A8

875

6800 kg (14990 lb)

6900 kg (15210 lb)

6900 kg (15210 lb)

6900 kg (15210 lb)

320/90R50

147A8

875

6150 kg (13555 lb)

6150 kg (13555 lb)

6150 kg (13555 lb)

6150 kg (13555 lb)

* Speed/radius index

OU12401,0001B49-19-20090206