320/65R18 – tyre pressure and load tables
Tyre pressure for 320/65R18: 8 tyres in this size from 6 manufacturers, 8 of them with the manufacturer's verified load and pressure table. At 40 km/h the tables give a maximum load of 931–1650 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 Agri Star II | 109D | 873 mm | 931 kg at 1.2 bar, 40 km/h |
| BKT Agrimax RT 657 | 109A8 | 873 mm | 1030 kg at 1.6 bar, 40 km/h |
| BKT Agrimax RT 657 | 125A8 | 885 mm | 1650 kg at 3.2 bar, 40 km/h |
| BKT Agrimax Turf RT 333 | 109A8/109B | 873 mm | 1030 kg at 1.6 bar, 40 km/h |
| CEAT Farmax R65 | 109D | 873 mm | 1130 kg at 1.6 bar, 40 km/h |
| Michelin XM108 | 109A8/106B | 875 mm | 1030 kg at 1.6 bar, 40 km/h |
| Trelleborg TM800 ProgressiveTraction | 109A8/109B | 871 mm | 1030 kg at 1.6 bar, 40 km/h |
| Vredestein Traxion 65 | 119D | 875 mm | 1490 kg at 2.4 bar, 40 km/h |
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.
Changing size? See the tractor tyre size conversion chart (inch to metric) or all sizes.