Permissible Front Axle Load in Relation to Tires (Normal Operation)

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
16.9-24	6 PR	625	3600 kg (7935 lb)	3600 kg (7935 lb)	3600 kg (7935 lb)	3600 kg (7935 lb)
16.9-26	10 PR	650	4120 kg (9080 lb)	4120 kg (9080 lb)	4120 kg (9080 lb)	4120 kg (9080 lb)
16.9R26	135A8	650	4360 kg (9610 lb)	4360 kg (9610 lb)	4360 kg (9610 lb)	4360 kg (9610 lb)
13.6R28	126A8	625	3400 kg (7495 lb)	3400 kg (7495 lb)	3400 kg (7495 lb)	3400 kg (7495 lb)
14.9-28	10 PR	650	3800 kg (8375 lb)	3800 kg (8375 lb)	3800 kg (8375 lb)	3800 kg (8375 lb)
16.9R28	135A8	675	4400 kg (9700 lb)	4480 kg (9875 lb)	4480 kg (9875 lb)	4480 kg (9875 lb)
380/85R28	133A8	650	4120 kg (9080 lb)	4120 kg (9080 lb)	4120 kg (9080 lb)	4120 kg (9080 lb)
420/70R28	133A8	650	4120 kg (9080 lb)	4120 kg (9080 lb)	4120 kg (9080 lb)	4120 kg (9080 lb)
420/85R28	139A8	675	4400 kg (9700 lb)	4600 kg (10140lb)	4860 kg (10715 lb)	4860 kg (10715 lb)
480/70R28	140A8	675	4600 kg (10140lb)	4600 kg (10140lb)	5000 kg (11025 lb)	5000 kg (11025 lb)
540/65R28	142A8	675	4600 kg (10140lb)	4600 kg (10140lb)	5000 kg (11025 lb)	5300 kg (11685 lb)
380/85R34	135A8	675	4360 kg (9610 lb)	4360 kg (9610 lb)	4360 kg (9610 lb)	4360 kg (9610 lb)
290/95R34	131A8	675	3900 kg (8595 lb)	3900 kg (8595 lb)	3900 kg (8595 lb)	3900 kg (8595 lb)
320/85R34	133A8	675	4120 kg (9080 lb)	4120 kg (9080 lb)	4120 kg (9080 lb)	4120 kg (9080 lb)
* Speed/radius index