280/70R20

Optitrac 116A8/B R-1W
280/70R20
Technical data
Design Optitrac
Industry Classification R-1W
Tyre size 280/70R20
LI/SS 116A8/B
FR/DW n/a
PR n/a
TL/TT TL
Tyre Width (mm) 282
Overall diameter (mm) 900
Static Loaded radius (mm) 409
Rolling circumference (mm) 2718
SRI 450
Weight (kg) 33
Nominal Inflation Pressure (bar) 2.4
Maximum Load (kg) 1250
Tread Depth (mm) 31
Recom 'd Rim Width W9
Other approved rims W10, W8
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 1.0bar 1.4bar 1.6bar 1.8bar 2.0bar 2.2bar 2.4bar 2.6bar
0.6bar 50 515 600 690 850 950 1030 1120 1215 1250†
0.8bar 40 515 600 690 850 950 1030 1120 1215 1250
1.0bar 30 575 670 775 950 1065 1155 1255 1360 1400
1.4bar 25 615 715 820 1010 1130 1225 1335 1445 1490
1.6bar 15 680 790 910 1120 1255 1360 1480 1605 1650
1.8bar 10 815 950 1090 1345 1500 1625 1770 1920 1975
2.0bar 10cycl 875 1175 1320 1445 1615 1750 1905 2065

0.6bar

50 km/h 515 kg
40 km/h 515 kg
30 km/h 575 kg
25 km/h 615 kg
15 km/h 680 kg
10 km/h 815 kg
10cycl km/h n/a

0.8bar

50 km/h 600 kg
40 km/h 600 kg
30 km/h 670 kg
25 km/h 715 kg
15 km/h 790 kg
10 km/h 950 kg
10cycl km/h n/a

1.0bar

50 km/h 690 kg
40 km/h 690 kg
30 km/h 775 kg
25 km/h 820 kg
15 km/h 910 kg
10 km/h 1090 kg
10cycl km/h 875 kg

1.4bar

50 km/h 850 kg
40 km/h 850 kg
30 km/h 950 kg
25 km/h 1010 kg
15 km/h 1120 kg
10 km/h 1345 kg
10cycl km/h 1175 kg

1.6bar

50 km/h 950 kg
40 km/h 950 kg
30 km/h 1065 kg
25 km/h 1130 kg
15 km/h 1255 kg
10 km/h 1500 kg
10cycl km/h 1320 kg

1.8bar

50 km/h 1030 kg
40 km/h 1030 kg
30 km/h 1155 kg
25 km/h 1225 kg
15 km/h 1360 kg
10 km/h 1625 kg
10cycl km/h 1445 kg

2.0bar

50 km/h 1120 kg
40 km/h 1120 kg
30 km/h 1255 kg
25 km/h 1335 kg
15 km/h 1480 kg
10 km/h 1770 kg
10cycl km/h 1615 kg

2.2bar

50 km/h 1215 kg
40 km/h 1215 kg
30 km/h 1360 kg
25 km/h 1445 kg
15 km/h 1605 kg
10 km/h 1920 kg
10cycl km/h 1750 kg

2.4bar

50 km/h 1250† kg
40 km/h 1250 kg
30 km/h 1400 kg
25 km/h 1490 kg
15 km/h 1650 kg
10 km/h 1975 kg
10cycl km/h 1905 kg

2.6bar

50 km/h n/a
40 km/h n/a
30 km/h n/a
25 km/h n/a
15 km/h n/a
10 km/h n/a
10cycl km/h 2065 kg

† Maximum load at recommended speed and inflation pressure.