340/80R18 Michelin Bibload Hard Surface – tyre pressure and load table
- Size
- 340/80R18
- Load index
- 143A8/143B
- Overall diameter
- 990 mm
- Section width
- 342 mm
- Rolling circumference
- 2946 mm
- Size equivalent
- ≈ 12.5x18
Load and pressure table (kg per tyre)
| km/h \ bar | 1.6 | 1.8 | 2 | 2.2 | 2.4 | 2.6 | 2.8 | 3 | 3.2 | 3.4 | 3.6 | 3.8 | 4 | 4.2 | 4.4 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Static | 2450 | 2725 | 2995 | 3270 | 3540 | 3815 | 4090 | 4360 | 4635 | 4905 | 5180 | 5455 | 5725 | 6000 | 6270 |
| 10 Cyclic | 1600 | 1780 | 1955 | 2135 | 2310 | 2490 | 2670 | 2845 | 3025 | 3200 | 3380 | 3555 | 3735 | 3915 | 4090 |
| 25 | 1450 | 1580 | 1715 | 1845 | 1975 | 2105 | 2240 | 2370 | 2500 | 2630 | 2760 | 2890 | 3020 | – | – |
| 30 | 1390 | 1520 | 1645 | 1775 | 1900 | 2030 | 2155 | 2285 | 2410 | 2540 | 2665 | 2795 | 2920 | – | – |
| 40 | 1320 | 1435 | 1550 | 1665 | 1780 | 1895 | 2010 | 2125 | 2240 | 2360 | 2485 | 2605 | 2725 | – | – |
| 50 | 1320 | 1435 | 1550 | 1665 | 1780 | 1895 | 2010 | 2125 | 2240 | 2360 | 2485 | 2605 | 2725 | – | – |
Source: Michelin Agricultural Tyres Technical Databook 2022-09 (EU edition), p. 171. Values are taken from the manufacturer's published table and may be outdated or wrongly transcribed. Always check the manufacturer's current documentation and the vehicle manual before setting tyre pressure.
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