COST 334

Chapter 4Table 4.67 Values of Axle Wear Factor, expressing the damage contribution of asingle passage of a given tyre with a given axle load, referred to the damagecontribution of a single passage of the reference tyre with an axle load of 10 tonne. Inblue the cells are marked with AWF values above 1,65OVERVIEW AXLE WEARFACTORaxle loading in tonnetyre size dual/single contactareawidthdiametermaxloadTCF 6.5 7 7,5 8 9 10 11.5towed axles9.5R17.5 dual 352 840 10.3 2.09 0.88 1.02 1.17 1.34 1.69 2.09205/65R17.5 dual 350 711 6.2 2.54 0.98 a215/75R17.5 dual 350 767 8.2 2.33 0.99 1.14 1.31 1.49235/75R17.5 dual 400 800 10.3 1.79 0.75 0.88 1.00 1.14 1.45 1.79245/70R17.5 dual 430 789 10.3 1.61 0.68 0.79 0.91 1.03 1.30 1.61245/70R19.5 dual 400 839 9.4 1.69 0.72 0.83 0.95 1.08 1.37265/70R19.5 dual 420 872 10.3 1.50 0.63 0.73 0.84 0.96 1.21 1.50285/70R19.5 dual 420 900 11.6 1.44 0.61 0.71 0.81 0.92 1.17 1.4410R22.5 dual 372 1017 10.6 1.54 0.65 0.75 0.87 0.98 1.25 1.5411R22.5 dual 368 1054 11.6 1.51 0.64 0.74 0.85 0.96 1.22 1.51385/55R19.5 wide base 293 919 8 2.56 1.08 1.25 1.44 1.64385/55R22.5 wide base 329 998 9 1.93 0.81 0.94 1.08 1.23 1.56385/65R22.5 wide base 285 1071 9 2.25 0.95 1.10 1.27 1.44 1.83425/65R22.5 wide base 308 1126 10.3 1.88 0.79 0.92 1.05 1.20 1.52 1.88445/45R19.5 wide base 380 895 8 1.71 0.72 0.84 0.96 1.10445/65R22.5 wide base 340 1155 11.6 1.55 0.65 0.76 0.87 0.99 1.25 1.55drive axles295/60R22.5 dual 488 924 12 1.09 0.89 1.09 1.45295/80R22.5 dual 470 1059 12.6 1.00 0.81 1.00 1.32315/70R22.5 dual 506 1024 13.4 0.92 0.74 0.92 1.22315/80R22.5 dual 494 1085 13.4 0.90 0.73 0.90 1.1910R22.5 dual 372 1017 10.6 1.54 means >1.65 1.25 1.54 1.73 a11R22.5 dual 368 1054 12.6 1.51 1.22 1.51 1.9912R22.5 dual 402 1085 13.4 1.26 1.02 1.26 1.67495/45R22.5 wide base 427 1013 11.6 1.23 1.00 1.23 1.63steering axle295/60R22.5 single 244 924 6.5 3.44 1.45295/80R22.5 single 235 1059 7.1 3.14 1.33 1.54315/70R22.5 single 253 1024 7.1 2.89 1.22 1.41 1.62315/80R22.5 single 247 1085 8 2.81 1.19 1.38 1.58 1.8011R22.5 single 184 1054 6.3 4.72 1.88 a12R22.5 single 201 1085 7.1 3.95 1.67 1.9413R22.5 single 218 1125 8 3.32 1.40 1.63 1.87 2.12385/55R19.5 wide base 293 919 8 2.56 1.08 1.25 1.44 1.64385/55R22.5 wide base 329 998 9 1.93 0.81 0.94 1.08 1.23 1.56385/65R22.5 wide base 285 1071 9 2.25 0.95 1.10 1.27 1.44 1.83a) AWF value for maximum ETRTO-recommended load levelversion 29 November 2001145