420/70R28 Firestone R1070 – tyre pressure and load table
- Size
- 420/70R28
- Load index
- 133A8/133B
- Overall diameter
- 1350 mm
- Section width
- 420 mm
- Rolling circumference
- 4079 mm
- Recommended rim
- DW13
Load and pressure table (kg per tyre)
| km/h \ bar | 0.6 | 0.8 | 1 | 1.2 | 1.4 | 1.6 |
|---|---|---|---|---|---|---|
| 10 | – | 1935 | 2115 | 2320 | 2505 | 2680 |
| 30 | 1425 | 1595 | 1745 | 1910 | 2065 | 2205 |
| 40 | 1330 | 1490 | 1630 | 1785 | 1930 | 2060 |
| 50 | – | – | 1555 | 1735 | 1905 | 2060 |
Source: Firestone AG Technical Brochure 2022 (EN, PDF 2026-03), p. 58. Values are taken from the manufacturer's published table and may be outdated or wrongly transcribed.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 R1070
- 320/70R24 116A8/116B
- 360/70R24 122A8/122B
- 360/70R28 125A8/125B
- 380/70R28 127A8/127B
- 420/70R24 130A8/130B
- 480/70R24 138A8/138B
- 480/70R28 140A8/140B
- 480/70R30 141A8/141B
- 480/70R34 143A8/143B
- 480/70R38 145A8/145B
- 520/70R34 148A8/148B
- 520/70R38 150A8/150B