340/80R18

IT520 143A8/B R-4
340/80R18
Technical data
Design IT520
Industry Classification R-4
Tyre size 340/80R18
LI/SS 143A8/B
FR/DW n/a
PR n/a
TL/TT TL
Tyre Width (mm) 339
Overall diameter (mm) 993
Static Loaded radius (mm) 447
Rolling circumference (mm) 2995
SRI 475
Weight (kg) 54
Nominal Inflation Pressure (bar) 4.0
Maximum Load (kg) 2725
Tread Depth (mm) 29
Recom 'd Rim Width 11
Other approved rims n/a
Load data
Type load (kg) at various inflation pressures (kPa)
Max Speed (Km/h)
Type load (kg) at various inflation pressures (kPa)
1.6bar 1.8bar 2.0bar 2.4bar 2.8bar 3.0bar 3.2bar 3.4bar 3.6bar 3.8bar 4.0bar
1.6bar 50 1170 1275 1365 1595 1820 1930 2040 2150 2210 2345 2480
1.8bar 40 1285 1400 1500 1750 2000 2120 2240 2360 2430 2575 2725†
2.0bar 30 1335 1455 1560 1820 2080 2205 2330 2455 2525 2680 2835
2.4bar 20 1400 1525 1635 1910 2180 2310 2440 2570 2650 2805 2970
2.8bar 10 1605 1750 1875 2190 2500 2650 2800 2950 3040 3220 3405
3.0bar 5 1865 2030 2175 2540 2900 3075 3250 3420 3525 3735 3950
3.2bar 10 cyclic 1930 2100 2250 2625 3000 3180 3360 3540 3645 3865 4090
3.4bar 5 cyclic 2145 2340 2505 2925 3340 3540 3740 3940 4060 4300 4550

1.6bar

50 km/h 1170 kg
40 km/h 1285 kg
30 km/h 1335 kg
20 km/h 1400 kg
10 km/h 1605 kg
5 km/h 1865 kg
10 cyclic km/h 1930 kg
5 cyclic km/h 2145 kg

1.8bar

50 km/h 1275 kg
40 km/h 1400 kg
30 km/h 1455 kg
20 km/h 1525 kg
10 km/h 1750 kg
5 km/h 2030 kg
10 cyclic km/h 2100 kg
5 cyclic km/h 2340 kg

2.0bar

50 km/h 1365 kg
40 km/h 1500 kg
30 km/h 1560 kg
20 km/h 1635 kg
10 km/h 1875 kg
5 km/h 2175 kg
10 cyclic km/h 2250 kg
5 cyclic km/h 2505 kg

2.4bar

50 km/h 1595 kg
40 km/h 1750 kg
30 km/h 1820 kg
20 km/h 1910 kg
10 km/h 2190 kg
5 km/h 2540 kg
10 cyclic km/h 2625 kg
5 cyclic km/h 2925 kg

2.8bar

50 km/h 1820 kg
40 km/h 2000 kg
30 km/h 2080 kg
20 km/h 2180 kg
10 km/h 2500 kg
5 km/h 2900 kg
10 cyclic km/h 3000 kg
5 cyclic km/h 3340 kg

3.0bar

50 km/h 1930 kg
40 km/h 2120 kg
30 km/h 2205 kg
20 km/h 2310 kg
10 km/h 2650 kg
5 km/h 3075 kg
10 cyclic km/h 3180 kg
5 cyclic km/h 3540 kg

3.2bar

50 km/h 2040 kg
40 km/h 2240 kg
30 km/h 2330 kg
20 km/h 2440 kg
10 km/h 2800 kg
5 km/h 3250 kg
10 cyclic km/h 3360 kg
5 cyclic km/h 3740 kg

3.4bar

50 km/h 2150 kg
40 km/h 2360 kg
30 km/h 2455 kg
20 km/h 2570 kg
10 km/h 2950 kg
5 km/h 3420 kg
10 cyclic km/h 3540 kg
5 cyclic km/h 3940 kg

3.6bar

50 km/h 2210 kg
40 km/h 2430 kg
30 km/h 2525 kg
20 km/h 2650 kg
10 km/h 3040 kg
5 km/h 3525 kg
10 cyclic km/h 3645 kg
5 cyclic km/h 4060 kg

3.8bar

50 km/h 2345 kg
40 km/h 2575 kg
30 km/h 2680 kg
20 km/h 2805 kg
10 km/h 3220 kg
5 km/h 3735 kg
10 cyclic km/h 3865 kg
5 cyclic km/h 4300 kg

4.0bar

50 km/h 2480 kg
40 km/h 2725† kg
30 km/h 2835 kg
20 km/h 2970 kg
10 km/h 3405 kg
5 km/h 3950 kg
10 cyclic km/h 4090 kg
5 cyclic km/h 4550 kg

† Maximum load at recommended speed and inflation pressure.