Tyre size Designation U 4023 U 5023
335/80 R20 Conti MPT 81 0.994
335/80 R20 Dunlop SP T9 0.994
335/80 R20 Michelin XZL Standard
365/80 R20 Conti MPT 81 1.043 0.947
365/80 R20 Dunlop SP T9 1.043 0.947
365/80 R20 Michelin XZL 1.061 0.962
365/85 R20 Michelin XZL Standard
395/85 R20 Michelin XZL 1.042
395/85 R20 Michelin XML 1.038
405/70 R20 Dunlop SP T9 1.029 0.934
405/70 R20 Michelin XM47 1.029
405/70 R24 Dunlop SP T9 1.126
405/70 R24 CGS AC70 G 1.118
425/75 R20 Michelin XM47 1.092
445/65 R22.5 Michelin XZL 1.026
445/65 R22.5 CGS AC70+ 1.020
445/70 R24 Michelin XM47 1.068
455/70 R24 Dunlop SP T9 1.082
Vehicle speed conversion factor
The vehicle speed conversion factor allows determination of the vehicle speed with use of the given tyres, by reference to the standard tyres.
Technical Manual
Mercedes-Benz Special Trucks
Transmission
92