18.4-38 – tyre pressure and load tables
Tyre pressure for 18.4-38: 18 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 2725–3250 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 337 Deep Lug | 142A6 | 1755 mm | no verified table |
| Alliance 347 | 143A8 | 1750 mm | no verified table |
| Alliance 347 | 155A8 | 1750 mm | no verified table |
| Alliance Farm Pro 324 | 143A8 | 1750 mm | no verified table |
| Alliance Farm Pro 324 | 153A8 | 1750 mm | no verified table |
| Alliance Farm Pro TD45 | 149A6/145A8 | 1750 mm | no verified table |
| BKT TR 135 | 143A6 | 1750 mm | no verified table |
| BKT TR 135 | 153A6 | 1750 mm | no verified table |
| BKT TR 135 | 155A6 | 1750 mm | no verified table |
| BKT TR 135 | 148A6 | 1750 mm | no verified table |
| BKT TR 171 | 148A6 | 1760 mm | no verified table |
| BKT TR 270 | 143A6 | 1784 mm | no verified table |
| BKT TR 270 | 153A6 | 1784 mm | no verified table |
| BKT TR 273 | 152A6 | 1800 mm | no verified table |
| Mitas Cultor AS-Agri 19 | 144A8 | 1768 mm | no verified table |
| Titan Hi-Traction Lug | 144A8 | 1768 mm | no verified table |
| Trelleborg TM90 | 143A8 | 1750 mm | 2725 kg at 1.4 bar, 40 km/h |
| Trelleborg TM90 | 149A8/153A6 | 1770 mm | 3250 kg at 2.2 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.
Size equivalent in the tyre data: 18.4x38 (tumstorlek)
See also: 18.4R38
Changing size? See the tractor tyre size conversion chart (inch to metric) or all sizes.