520/70R38

Optitrac 150D R-1W
520/70R38
Technical data
Design Optitrac
Industry Classification R-1W
Tyre size 520/70R38
LI/SS 150D
FR/DW n/a
PR n/a
TL/TT TL
Tyre Width (mm) 513
Overall diameter (mm) 1751
Static Loaded radius (mm) 779
Rolling circumference (mm) 5256
SRI 825
Weight (kg) 171
Nominal Inflation Pressure (bar) 1.6
Maximum Load (kg) 3350
Tread Depth (mm) 51
Recom 'd Rim Width W16L
Other approved rims W15L, W18L
Load data
Type load (kg) at various inflation pressures (kPa)
Max Speed (Km/h)
Type load (kg) at various inflation pressures (kPa)
0.6bar 0.8bar 1.4bar 1.6bar 2.0bar 2.2bar 2.4bar 2.8bar 3.0bar 3.2bar
0.6bar 70 1930 2730 3050
0.8bar 65 1800 2120 3000 3350†
1.4bar 50 2225 3150 3520
1.6bar 40 2320 3285 3670
2.0bar 30 2070 2440 3450 3850
2.2bar 10 2700 3180 4500 5025
2.4bar 10cycl 4765 5075 5695

0.6bar

70 km/h n/a
65 km/h 1800 kg
50 km/h n/a
40 km/h n/a
30 km/h 2070 kg
10 km/h 2700 kg
10cycl km/h n/a

0.8bar

70 km/h 1930 kg
65 km/h 2120 kg
50 km/h 2225 kg
40 km/h 2320 kg
30 km/h 2440 kg
10 km/h 3180 kg
10cycl km/h n/a

1.4bar

70 km/h 2730 kg
65 km/h 3000 kg
50 km/h 3150 kg
40 km/h 3285 kg
30 km/h 3450 kg
10 km/h 4500 kg
10cycl km/h 4765 kg

1.6bar

70 km/h 3050 kg
65 km/h 3350† kg
50 km/h 3520 kg
40 km/h 3670 kg
30 km/h 3850 kg
10 km/h 5025 kg
10cycl km/h 5075 kg

2.0bar

70 km/h n/a
65 km/h n/a
50 km/h n/a
40 km/h n/a
30 km/h n/a
10 km/h n/a
10cycl km/h 5695 kg

2.2bar

70 km/h n/a
65 km/h n/a
50 km/h n/a
40 km/h n/a
30 km/h n/a
10 km/h n/a
10cycl km/h n/a

2.4bar

70 km/h n/a
65 km/h n/a
50 km/h n/a
40 km/h n/a
30 km/h n/a
10 km/h n/a
10cycl km/h n/a

2.8bar

70 km/h n/a
65 km/h n/a
50 km/h n/a
40 km/h n/a
30 km/h n/a
10 km/h n/a
10cycl km/h n/a

3.0bar

70 km/h n/a
65 km/h n/a
50 km/h n/a
40 km/h n/a
30 km/h n/a
10 km/h n/a
10cycl km/h n/a

3.2bar

70 km/h n/a
65 km/h n/a
50 km/h n/a
40 km/h n/a
30 km/h n/a
10 km/h n/a
10cycl km/h n/a

† Maximum load at recommended speed and inflation pressure.