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The load rating, load index or load carrying capacity is represented by a numerical code and is associated with the maximum load that the tyre can carry when operating at its maximum speed rating up to but not exceeding 210kph.
When replacing tyres please note that it is illegal to install tyres on a vehicle having a lower load index than the vehicle manufacturer's orginal tyre fitment.
| Load Index Table: | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| LI | KG | LI | KG | LI | KG | LI | KG | LI | KG | LI | KG |
| 0 | 45 | 10 | 60 | 20 | 80 | 30 | 106 | 40 | 140 | 50 | 190 |
| 1 | 46.2 | 11 | 61.5 | 21 | 82.5 | 31 | 109 | 41 | 145 | 51 | 195 |
| 2 | 47.5 | 12 | 63 | 22 | 85 | 32 | 112 | 42 | 150 | 52 | 200 |
| 3 | 48.7 | 13 | 65 | 23 | 87.5 | 33 | 115 | 43 | 155 | 53 | 206 |
| 4 | 50 | 14 | 67 | 24 | 90 | 34 | 118 | 44 | 160 | 54 | 212 |
| 5 | 51.5 | 15 | 69 | 25 | 92.5 | 35 | 121 | 45 | 165 | 55 | 218 |
| 6 | 53 | 16 | 71 | 26 | 95 | 36 | 124 | 46 | 170 | 56 | 224 |
| 7 | 54.5 | 17 | 73 | 27 | 97.5 | 37 | 127 | 47 | 175 | 57 | 230 |
| 8 | 56 | 18 | 75 | 28 | 100 | 38 | 130 | 48 | 180 | 58 | 236 |
| 9 | 58 | 19 | 77.5 | 29 | 103 | 39 | 133 | 49 | 185 | 59 | 243 |
| 60 | 250 | 70 | 335 | 80 | 450 | 90 | 600 | 100 | 800 | 110 | 1060 |
| 61 | 257 | 71 | 345 | 81 | 462 | 91 | 615 | 101 | 825 | 111 | 1090 |
| 62 | 265 | 72 | 355 | 82 | 475 | 92 | 630 | 102 | 850 | 112 | 1120 |
| 63 | 272 | 73 | 365 | 83 | 487 | 93 | 650 | 103 | 875 | 113 | 1150 |
| 64 | 280 | 74 | 375 | 84 | 500 | 94 | 670 | 104 | 900 | 114 | 1180 |
| 65 | 290 | 75 | 387 | 85 | 515 | 95 | 690 | 105 | 925 | 115 | 1215 |
| 66 | 300 | 76 | 400 | 86 | 530 | 96 | 710 | 106 | 950 | 116 | 1250 |
| 67 | 307 | 77 | 412 | 87 | 545 | 97 | 730 | 107 | 975 | 117 | 1285 |
| 68 | 315 | 78 | 425 | 88 | 560 | 98 | 750 | 108 | 1000 | 118 | 1320 |
| 69 | 325 | 79 | 437 | 89 | 580 | 99 | 775 | 109 | 1030 | 119 | 1360 |
For tyres operating above 210kph: With all V, W, Y and ZR rated tyres the load carrying capacity must be reduced in accordance to the table below.
| Percentage of the Load Capacity of Tyres operated at speeds in excess of 210kph | ||||
|---|---|---|---|---|
| Speed Capability of the Vehicle (km/h) | Speed Symbol (V) | Speed Symbol (W) | Speed Symbol (y) | ZR Tyres |
| 210 | 100 | 100 | 100 | 100 |
| 220 | 97 | 100 | 100 | 100 |
| 230 | 94 | 100 | 100 | 100 |
| 240 | 91 | 100 | 100 | 100 |
| 250 | - | 95 | 100 | See Note (2) below |
| 260 | - | 90 | 100 | |
| 270 | - | 85 | 100 | |
| 280 | - | - | 95 | |
| 290 | - | - | 90 | |
| 300 | - | - | 85 | |
| Over 300 | - | - | - | |
- For intermediate maximum speeds, linear interpolation of the tyre load capacity is permitted.
- For tyres with “ZR” in the size designation and no service description at speeds over 240km/h, the load capacities and relevant inflation pressures will be agreed between the vehicle and tyre manufactures taking into consideration the vehicle characteristics and the type of service.
Load Capacity
Load capacity is the amount of weight a wheel will carry. The capacity will vary depending on the number of lugs, the PCD, the material used and the type of axle the wheel is used on.
A wheel used on a free rolling trailer axle will carry more weight than that same wheel used on the drive or steering axle of a vehicle.
Wheels should have the load capacity stamped on the back of the wheel. For safety reasons, it is imperative that the loading carrying capacity of the wheel is suitable for the vehicle to which it is being fitted.
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