300/70R20 Firestone Radial 4000 – tyre pressure and load table
- Size
- 300/70R20
- Load index
- 120A8/117B
- Overall diameter
- 947 mm
- Section width
- 287 mm
- Rolling circumference
- 2847 mm
- Recommended rim
- W9
Load and pressure table (kg per tyre)
| km/h \ bar | 0.6 | 0.8 | 1 | 1.2 | 1.4 | 1.6 | 1.8 | 2 | 2.2 | 2.4 |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 920 | 1035 | 1130 | 1240 | 1335 | 1430 | 1535 | 1635 | 1730 | 1820 |
| 30 | 760 | 850 | 930 | 1020 | 1100 | 1175 | 1260 | 1345 | 1425 | 1500 |
| 40 | 710 | 795 | 870 | 955 | 1030 | 1100 | 1180 | 1255 | 1330 | 1400 |
| 50 | 645 | 725 | 790 | 865 | 935 | 1000 | 1075 | 1145 | 1210 | 1275 |
Source: Firestone AG Technical Brochure 2022 (EN, PDF 2026-03), p. 66. Values are taken from the manufacturer's published table and may be outdated or wrongly transcribed.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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- 7.50R16 102A8/99B
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- 280/70R20 116A8/113B
- 320/70R20 123A8/120B
- 320/70R20 130A8/130B
- 360/70R20 129A8/126B