18.4-30 – tyre pressure and load tables
Tyre pressure for 18.4-30: 31 tyres in this size from 5 manufacturers, 2 of them with the manufacturer's verified load and pressure table. At 40 km/h the tables give a maximum load of 2430–2900 kg per tyre, depending on model and load index. Pick the pressure from the load per tyre and speed on each tyre page.
| Tyre | Load index | Diameter | Max load in table |
|---|---|---|---|
| Alliance Farm Pro 324 | 139A8 | 1552 mm | no verified table |
| Alliance Farm Pro 324 | 145A8 | 1552 mm | no verified table |
| Alliance Farm Pro 324 | 149A8 | 1550 mm | no verified table |
| Alliance Trac Pro | 149A6 | 1550 mm | no verified table |
| Alliance Trac Pro | 151A6 | 1600 mm | no verified table |
| Alliance Tracpro EX | 151A6 | 1550 mm | no verified table |
| BKT Commander (R) | 139A6 | 1565 mm | no verified table |
| BKT Commander (R) | 151A6 | 1565 mm | no verified table |
| BKT Commander (R) | 155A6 | 1565 mm | no verified table |
| BKT Farm 2000 | (DW) · 151A6 (FR) | 1560 mm | no verified table |
| BKT Farm Special | 139A6 | 1533 mm | no verified table |
| BKT TR 135 | 154A6 | 1545 mm | no verified table |
| BKT TR 135 | 149A6 | 1545 mm | no verified table |
| BKT TR 135 | 151A6 | 1545 mm | no verified table |
| BKT TR 135 | 139A6 | 1545 mm | no verified table |
| BKT TR 135 | 145A6 | 1545 mm | no verified table |
| BKT TR 136 | 139A6 | 1550 mm | no verified table |
| BKT TR 136 | 149A6 | 1550 mm | no verified table |
| BKT TR 136 | 151A6 | 1550 mm | no verified table |
| BKT TR 171 | 145A6 | 1550 mm | no verified table |
| BKT TR 270 | 139A6 | 1580 mm | no verified table |
| BKT TR 270 | 149A6 | 1580 mm | no verified table |
| BKT TR 273 | 149A6 | 1585 mm | no verified table |
| BKT TR 387 | 139A6 | 1530 mm | no verified table |
| BKT TR 387 | 151A6 | 1530 mm | no verified table |
| BKT Trac Farm | 149A6 | 1550 mm | no verified table |
| BKT Trac Farm | 151A6 | 1565 mm | no verified table |
| Titan Hi-Traction Lug | 122A8 | 1556 mm | no verified table |
| Trelleborg TM90 | 139A8 | 1548 mm | 2430 kg at 1.4 bar, 40 km/h |
| Trelleborg TM90 | 145A8/149A6 | 1560 mm | 2900 kg at 2.2 bar, 40 km/h |
| Vredestein Faktor-S | 149A8 | 1545 mm | no verified table |
Values come from the manufacturers' published load and pressure tables and are only shown where the table is verified. Open a tyre for the full table. See disclaimer.
Size equivalent in the tyre data: ≈ 15-30, 18.4x30 (tumstorlek)
See also: 18.4R30
Changing size? See the tractor tyre size conversion chart (inch to metric) or all sizes.