Recommended Pressures—Group 42

Tire Size	320/85R38	380/85R34	380/85R34	420/90R30	420/90R30
Tire Load Index	143	137	145	142	145
Axle Load kg (lb.)	kPa (bar) (psi)	kPa (bar) (psi)	kPa (bar) (psi)	kPa (bar) (psi)	kPa (bar) (psi)
1814(4000)	55(0.55)(8)	62(0.62)(9)	55(0.55)(8)	62(0.62)(9)	55(0.55)(8)
2041(4500)	60(0.6)(9)	62(0.62)(9)	55(0.55)(8)	62(0.62)(9)	55(0.55)(8)
2268(5000)	80(0.80)(12)	62(0.62)(9)	55(0.55)(8)	62(0.62)(9)	55(0.55)(8)
2495(5500)	95(0.95)(14)	62(0.62)(9)	60(0.6)(9)	62(0.62)(9)	60(0.6)(9)
2722(6000)	105(1.05)(15)	70(0.7)(10)	70(0.7)(10)	62(0.62)(9)	70(0.7) (10)
2948(6500)	120(1.2)(17)	90(0.9)(13)	90(0.90)(13)	62(0.62)(9)	80(0.80)(12)
3175(7000)	125(1.25)(18)	95(0.95)(14)	97(0.97)(14)	75(0.75)(11)	95(0.95)(14)
3402(7500)	145(1.45)(21)	110(1.1)(16)	110(1.1)(16)	85(0.85)(12)	105(1.05)(15)
3629(8000)	160(1.6)(23)	110(1.1)(16)	117(1.17)(17)	95(0.95)(14)	120(1.2)(17)
3856(8500)	180(1.80)(26)	125(1.25)(18)	131(1.31)(19)	105(1.05)(15)	130(1.3)(19)
4082(9000)	200(2.0)(29)	130(1.3)(19)	138(1.38)(20)	110(1.1)(16)	145(1.45)(21)
4309(9500)	230(2.3)(34)	145(1.45)(21)	152(1.52)(22)	120(1.2)(17)	160(1.6)(23)
4536(10000)	250(2.5)(38)	150(1.5)(22)	159(1.59)(23)	130(1.3)(19)	165(1.65)(24)
4763(10500)	280(2.8)(41)	160(1.6)(23)	179(1.79(26)	145(1.45)(21)	185(1.85)(27)
4990(11000)	303(3.0)(44)	—	200(2.0)(29)	150(1.5)(22)	200(2.0)(29)
5216(11500)	324 (3.2)(47)	—	234(2.34)(34)	160(1.6)(23)	215(2.15(31)
5443(12000)	359(3.6)(52)	—	255(2.55)(37)	—	235(2.35)(35)
5670(12500)	—	—	276(2.76(40)	—
5900(13000)
6120(13500)