420/90R30 – tyre pressure and load tables
Tyre pressure for 420/90R30: 12 tyres in this size from 7 manufacturers, 9 of them with the manufacturer's verified load and pressure table. At 40 km/h the tables give a maximum load of 2650–3176 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 | 147D | 1518 mm | 3176 kg at 2 bar, 40 km/h |
| Alliance Agri-Star 374 | 142A8 | 1529 mm | no verified table |
| Alliance Farmpro II | 147A8/147B | 1518 mm | no verified table |
| BKT Agrimax RT 945 | 147A8 | 1518 mm | 3075 kg at 2.4 bar, 40 km/h |
| CEAT Farmax R85/90 R2 | 147A8/147B | 1518 mm | 3075 kg at 2.4 bar, 40 km/h |
| CEAT Farmax R90 | 142A8/142B | 1518 mm | 2650 kg at 1.6 bar, 40 km/h |
| CEAT Farmax R90 | 147A8/147B | 1518 mm | 3075 kg at 2.4 bar, 40 km/h |
| Continental Tractor85 | 147A8/147B | 1515 mm | no verified table |
| Michelin AgriBib | 147A8/147B | 1533 mm | 3075 kg at 2.4 bar, 40 km/h |
| Michelin AgriBib 2 | 147A8/147B | 1518 mm | 3075 kg at 2.4 bar, 40 km/h |
| Mitas AC 85 | 147A8/147B | 1529 mm | 3075 kg at 2.4 bar, 40 km/h |
| Trelleborg TM600 | 147A8/147B | 1518 mm | 3075 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.
Size equivalent in the tyre data: ≈ 16.9R30, ≈ 16.9x30
Changing size? See the tractor tyre size conversion chart (inch to metric) or all sizes.