480/70R28

Optitrac 140D R-1W
480/70R28
Technical data
Design Optitrac
Industry Classification R-1W
Tyre size 480/70R28
LI/SS 140D
FR/DW n/a
PR n/a
TL/TT TL
Tyre Width (mm) 503
Overall diameter (mm) 1421
Static Loaded radius (mm) 636
Rolling circumference (mm) 4241
SRI 675
Weight (kg) 137
Nominal Inflation Pressure (bar) 1.6
Maximum Load (kg) 2500
Tread Depth (mm) 47
Recom 'd Rim Width W15L
Other approved rims W14L, W16L
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 1455 2095 2275
0.8bar 65 1360 1600 2300 2500†
1.4bar 50 1680 2415 2625
1.6bar 40 1750 2520 2740
2.0bar 30 1565 1840 2645 2875
2.2bar 10 2040 2400 3450 3750
2.4bar 10cycl 3555 3785 4250

0.6bar

70 km/h n/a
65 km/h 1360 kg
50 km/h n/a
40 km/h n/a
30 km/h 1565 kg
10 km/h 2040 kg
10cycl km/h n/a

0.8bar

70 km/h 1455 kg
65 km/h 1600 kg
50 km/h 1680 kg
40 km/h 1750 kg
30 km/h 1840 kg
10 km/h 2400 kg
10cycl km/h n/a

1.4bar

70 km/h 2095 kg
65 km/h 2300 kg
50 km/h 2415 kg
40 km/h 2520 kg
30 km/h 2645 kg
10 km/h 3450 kg
10cycl km/h 3555 kg

1.6bar

70 km/h 2275 kg
65 km/h 2500† kg
50 km/h 2625 kg
40 km/h 2740 kg
30 km/h 2875 kg
10 km/h 3750 kg
10cycl km/h 3785 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 4250 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.