18.4-26

Sure Grip Industrial Tractor 158A8 R-4
18.4-26
Technical data
Design Sure Grip Industrial Tractor
Industry Classification R-4
Tyre size 18.4-26
LI/SS 158A8
FR/DW n/a
PR 14
TL/TT TL
Tyre Width (mm) 493
Overall diameter (mm) 1432
Static Loaded radius (mm) 639
Rolling circumference (mm) 4256
SRI 675
Weight (kg) 126
Nominal Inflation Pressure (bar) 2.5
Maximum Load (kg) 4000
Tread Depth (mm) 30
Recom 'd Rim Width W16L
Other approved rims W15L
Load data
Type load (kg) at various inflation pressures (kPa)
Max Speed (Km/h)
Type load (kg) at various inflation pressures (kPa)
1.2Bar 1.4bar 1.5bar 1.7bar 1.8bar 1.9bar 2.1bar 2.2bar 2.3bar 2.5bar
1.2Bar 40 2500 2650 2900 3000 3150 3350 3450 3650 3750 4000†
1.4bar 30 2600 2760 3020 3120 3280 3480 3590 3800 3900 4160
1.5bar 25 2730 2890 3160 3270 3430 3650 3760 3980 4090 4360
1.7bar 15 2825 2995 3275 3390 3560 3785 3900 4125 4290 4520
1.8bar 10 3130 3310 3630 3750 3940 4190 4310 4560 4690 5000
1.9bar 5 3630 3840 4210 4350 4570 4860 5000 5290 5440 5800

1.2Bar

40 km/h 2500 kg
30 km/h 2600 kg
25 km/h 2730 kg
15 km/h 2825 kg
10 km/h 3130 kg
5 km/h 3630 kg

1.4bar

40 km/h 2650 kg
30 km/h 2760 kg
25 km/h 2890 kg
15 km/h 2995 kg
10 km/h 3310 kg
5 km/h 3840 kg

1.5bar

40 km/h 2900 kg
30 km/h 3020 kg
25 km/h 3160 kg
15 km/h 3275 kg
10 km/h 3630 kg
5 km/h 4210 kg

1.7bar

40 km/h 3000 kg
30 km/h 3120 kg
25 km/h 3270 kg
15 km/h 3390 kg
10 km/h 3750 kg
5 km/h 4350 kg

1.8bar

40 km/h 3150 kg
30 km/h 3280 kg
25 km/h 3430 kg
15 km/h 3560 kg
10 km/h 3940 kg
5 km/h 4570 kg

1.9bar

40 km/h 3350 kg
30 km/h 3480 kg
25 km/h 3650 kg
15 km/h 3785 kg
10 km/h 4190 kg
5 km/h 4860 kg

2.1bar

40 km/h 3450 kg
30 km/h 3590 kg
25 km/h 3760 kg
15 km/h 3900 kg
10 km/h 4310 kg
5 km/h 5000 kg

2.2bar

40 km/h 3650 kg
30 km/h 3800 kg
25 km/h 3980 kg
15 km/h 4125 kg
10 km/h 4560 kg
5 km/h 5290 kg

2.3bar

40 km/h 3750 kg
30 km/h 3900 kg
25 km/h 4090 kg
15 km/h 4290 kg
10 km/h 4690 kg
5 km/h 5440 kg

2.5bar

40 km/h 4000† kg
30 km/h 4160 kg
25 km/h 4360 kg
15 km/h 4520 kg
10 km/h 5000 kg
5 km/h 5800 kg

† Maximum load at recommended speed and inflation pressure.