620/70R42

Optitrac 166D R-1W
620/70R42
Technical data
Design Optitrac
Industry Classification R-1W
Tyre size 620/70R42
LI/SS 166D
FR/DW n/a
PR n/a
TL/TT TL
Tyre Width (mm) 620
Overall diameter (mm) 1,936
Static Loaded radius (mm) 877
Rolling circumference (mm) 5,852
SRI 950
Weight (kg) 258
Nominal Inflation Pressure (bar) 2
Maximum Load (kg) 5,307
Tread Depth (mm) 52
Recom 'd Rim Width DW20B
Other approved rims MW20B
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 2640 3755 4095 4550 4685 4825
0.8bar 65 2430 2900 4125 4500 5000 5150 5300†
1.4bar 50 2550 3045 4330 4725 5250 5410 5565
1.6bar 40 2660 3175 4515 4930 5475 5640 5805
2.0bar 30 2795 3335 4745 5175 5750 5920 6095
2.2bar 10 3645 4350 6190 6750 7500 7725 7950
2.4bar 10cycl 6405 6815 7650 7545 7785 8740 9010

0.6bar

70 km/h n/a
65 km/h 2430 kg
50 km/h 2550 kg
40 km/h 2660 kg
30 km/h 2795 kg
10 km/h 3645 kg
10cycl km/h n/a

0.8bar

70 km/h 2640 kg
65 km/h 2900 kg
50 km/h 3045 kg
40 km/h 3175 kg
30 km/h 3335 kg
10 km/h 4350 kg
10cycl km/h n/a

1.4bar

70 km/h 3755 kg
65 km/h 4125 kg
50 km/h 4330 kg
40 km/h 4515 kg
30 km/h 4745 kg
10 km/h 6190 kg
10cycl km/h 6405 kg

1.6bar

70 km/h 4095 kg
65 km/h 4500 kg
50 km/h 4725 kg
40 km/h 4930 kg
30 km/h 5175 kg
10 km/h 6750 kg
10cycl km/h 6815 kg

2.0bar

70 km/h 4550 kg
65 km/h 5000 kg
50 km/h 5250 kg
40 km/h 5475 kg
30 km/h 5750 kg
10 km/h 7500 kg
10cycl km/h 7650 kg

2.2bar

70 km/h 4685 kg
65 km/h 5150 kg
50 km/h 5410 kg
40 km/h 5640 kg
30 km/h 5920 kg
10 km/h 7725 kg
10cycl km/h 7545 kg

2.4bar

70 km/h 4825 kg
65 km/h 5300† kg
50 km/h 5565 kg
40 km/h 5805 kg
30 km/h 6095 kg
10 km/h 7950 kg
10cycl km/h 7785 kg

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 8740 kg

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 9010 kg

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.