420/70R28 Firestone Performer 70 Extra – tyre pressure and load table
- Size
- 420/70R28
- Load index
- 133D/130E
- Overall diameter
- 1344 mm
- Section width
- 423 mm
- Rolling circumference
- 4032 mm
- SRI
- 650 mm
- Recommended rim
- DW13
- Size equivalent
- ≈ 14.9x28
Load and pressure table (kg per tyre)
| km/h \ bar | 0.6 | 0.8 | 1 | 1.2 | 1.4 | 1.6 |
|---|---|---|---|---|---|---|
| 10 | 1575 | 1820 | 2030 | 2225 | 2440 | 2680 |
| 30 | 1255 | 1495 | 1705 | 1940 | 2160 | 2370 |
| 40 | 1195 | 1420 | 1625 | 1845 | 2055 | 2260 |
| 50 | 1145 | 1365 | 1560 | 1770 | 1970 | 2165 |
| 65 | – | – | 1485 | 1685 | 1880 | 2060 |
| 70 | – | – | 1370 | 1555 | 1730 | 1900 |
Source: Firestone AG Technical Brochure 2022 (EN, PDF 2026-03), p. 40. Values are taken from the manufacturer's published table and may be outdated or wrongly transcribed.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.
Open in the Däcktryck.se appMore Firestone Performer 70 Extra
- 320/70R24 116D/113E
- 360/70R24 122D/119E
- 360/70R28 125D/122E
- 380/70R24 125D/122E
- 380/70R28 127D/124E
- 420/70R24 130D/127E
- 420/70R24 136A8/136B
- 480/70R24 138D/135E
- 480/70R28 140D/137E
- 480/70R28 151A8/151B
- 480/70R30 141D/138E
- 480/70R30 147D/144E