12.5/80-18

Sure Grip Lug 139A8 I-3
12.5/80-18
Technical data
Design Sure Grip Lug
Industry Classification I-3
Tyre size 12.5/80-18
LI/SS 139A8
FR/DW Free Rolling
PR 12
TL/TT TL
Tyre Width (mm) 308
Overall diameter (mm) 965
Static Loaded radius (mm) 432
Rolling circumference (mm) 2872
SRI 475
Weight (kg) 47
Nominal Inflation Pressure (bar) 3.7
Maximum Load (kg) 2430
Tread Depth (mm) 25
Recom 'd Rim Width W9
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)
1.5bar 1.7bar 1.9bar 2.3bar 2.5bar 2.8bar 3.0bar 3.3bar 3.5bar 3.7bar 4.3bar
1.5bar 40 1450 1550 1600 1800 1900 2000 2120 2240 2300 2430†

1.5bar

40 km/h 1450 kg

1.7bar

40 km/h 1550 kg

1.9bar

40 km/h 1600 kg

2.3bar

40 km/h 1800 kg

2.5bar

40 km/h 1900 kg

2.8bar

40 km/h 2000 kg

3.0bar

40 km/h 2120 kg

3.3bar

40 km/h 2240 kg

3.5bar

40 km/h 2300 kg

3.7bar

40 km/h 2430† kg

4.3bar

40 km/h n/a

† Maximum load at recommended speed and inflation pressure.