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Council directive 92/23/EEC (repealed)Show full title
Council directive 92/23/EEC of 31 March 1992 relating to tyres for motor vehicles and their trailers and to their fitting (repealed)
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Version Superseded: 31/10/2017
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Appendix 5MEASURING RIM, OUTER DIAMETER AND SECTION WIDTH OF TYRES OF CERTAIN SIZE DESIGNATIONS(see Annex II, sections 6.1.1.2 and 6.1.2.2)
PART A: PASSENCER CAR TYRESU.K.
| TABLE 1 | |||
| Tyres in diagonal construction | |||
| a Tolerances: see sections 6.1.4 and 6.1.5 of Annex II. | |||
| b The following size designations are accepted:
| |||
| Tyre size designation | Measuring rim width(inches) | Outer diametera(in mm) | Section widtha(in mm) |
|---|---|---|---|
| Super balloon series | |||
| 4.80-10 | 3.5 | 490 | 128 |
| 5.20-10 | 3.5 | 508 | 132 |
| 5.20-12 | 3.5 | 558 | 132 |
| 5.60-13 | 4 | 600 | 145 |
| 5.90-13 | 4 | 616 | 150 |
| 6.40-13 | 4.5 | 642 | 163 |
| 5.20-14 | 3.5 | 612 | 132 |
| 5.60-14 | 4 | 626 | 145 |
| 5.90-14 | 4 | 642 | 150 |
| 6.40-14 | 4.5 | 666 | 163 |
| 5.60-15 | 4 | 650 | 145 |
| 5.90-15 | 4 | 668 | 150 |
| 6.40-15 | 4.5 | 692 | 163 |
| 6.70-15 | 4.5 | 710 | 170 |
| 7.10-15 | 5 | 724 | 180 |
| 7.60-15 | 5.5 | 742 | 193 |
| 8.20-15 | 6 | 760 | 213 |
| Low section series | |||
| 5.50-12 | 4 | 552 | 142 |
| 6.00-12 | 4.5 | 574 | 156 |
| 7.00-13 | 5 | 644 | 178 |
| 7.00-14 | 5 | 668 | 178 |
| 7.50-14 | 5.5 | 688 | 190 |
| 8.00-14 | 6 | 702 | 203 |
| 6.00-15 L | 4.5 | 650 | 156 |
| Super low section seriesb | |||
| 155-13/6.15-13 | 4.5 | 582 | 157 |
| 165-13/6.45-13 | 4.5 | 600 | 167 |
| 175-13/6.95-13 | 5 | 610 | 178 |
| 155-14/6.15-14 | 4.5 | 608 | 157 |
| 165-14/6.45-14 | 4.5 | 626 | 167 |
| 175-14/6.95-14 | 5 | 638 | 178 |
| 185-14/7.35-14 | 5.5 | 654 | 188 |
| 195-14/7.75-14 | 5.5 | 670 | 198 |
| Ultra low section | |||
| 5.9-10 | 4.5 | 483 | 148 |
| 6.5-13 | 4.5 | 586 | 166 |
| 6.9-13 | 4.5 | 600 | 172 |
| 7.3-13 | 5 | 614 | 184 |
| TABLE 2 | |||
| Tyres in radial construction | |||
| a Tolerances: see sections 6.1.4 and 6.1.5 of Annex II. | |||
| Tyre size designation | Measuring rim width(inches) | Outer diametera(in mm) | Section widtha(in mm) |
|---|---|---|---|
| 5.60 R 13 | 4 | 606 | 145 |
| 5.90 R 13 | 4.5 | 626 | 155 |
| 6.40 R 13 | 4.5 | 640 | 170 |
| 7.00 R 13 | 5 | 644 | 178 |
| 7.25 R 13 | 5 | 654 | 184 |
| 5.90 R 14 | 4.5 | 654 | 155 |
| 5.60 R 15 | 4 | 656 | 145 |
| 6.40 R 15 | 4.5 | 690 | 170 |
| 6.70 R 15 | 5 | 710 | 180 |
| 140 R 12 | 4 | 538 | 138 |
| 150 R 12 | 4 | 554 | 150 |
| 150 R 13 | 4 | 580 | 149 |
| 160 R 13 | 4.5 | 596 | 158 |
| 170 R 13 | 5 | 608 | 173 |
| 150 R 14 | 4 | 606 | 149 |
| 180 R 15 | 5 | 676 | 174 |
| TABLE 3 | |||
| Millimetric series — radial | |||
| a Tolerances: see sections 6.1.4 and 6.1.5 of Annex II. | |||
| b On certain tyres the rim diameter can be expressed in mm:
(example: 125 R 225). | |||
| Tyre size designationb | Measuring rim width(inches) | Outer diametera(in mm) | Section widtha(in mm) |
|---|---|---|---|
| 125 R 10 | 3.5 | 459 | 127 |
| 145 R 10 | 4 | 492 | 147 |
| 125 R 12 | 3.5 | 510 | 178 |
| 135 R 12 | 4 | 522 | 184 |
| 145 R 12 | 4 | 542 | |
| 155 R 12 | 4.5 | 550 | 155 |
| 125 R 13 | 3.5 | 536 | 127 |
| 135 R 13 | 4 | 548 | 137 |
| 145 R 13 | 4 | 566 | 147 |
| 155 R 13 | 4.5 | 578 | 157 |
| 165 R 13 | 4.5 | 596 | 167 |
| 175 R 13 | 5 | 608 | 178 |
| 185 R 13 | 5.5 | 624 | 188 |
| 125 R 14 | 3.5 | 562 | 127 |
| 135 R 14 | 4 | 574 | 137 |
| 145 R 14 | 4 | 590 | 147 |
| 155 R 14 | 4.5 | 604 | 157 |
| 165 R 14 | 4.5 | 622 | 167 |
| 175 R 14 | 5 | 634 | 178 |
| 185 R 14 | 5.5 | 650 | 188 |
| 195 R 14 | 5.5 | 666 | 198 |
| 205 R 14 | 6 | 686 | 208 |
| 215 R 14 | 6 | 700 | 218 |
| 225 R 14 | 6.5 | 714 | 228 |
| 125 R 15 | 3.5 | 588 | 127 |
| 135 R 15 | 4 | 600 | 137 |
| 145 R 15 | 4 | 616 | 147 |
| 155 R 15 | 4.5 | 630 | 157 |
| 165 R 15 | 4.5 | 646 | 167 |
| 175 R 15 | 5 | 660 | 178 |
| 185 R 15 | 5.5 | 674 | 188 |
| 195 R 15 | 5.5 | 690 | 198 |
| 205 R 15 | 6 | 710 | 208 |
| 215 R 15 | 6 | 724 | 218 |
| 225 R 15 | 6.5 | 738 | 228 |
| 235 R 15 | 6.5 | 752 | 238 |
| 175 R 16 | 5 | 686 | 178 |
| 185 R 16 | 5.5 | 698 | 188 |
| 205 R 16 | 6 | 736 | 208 |
| TABLE 4 | |||
| 70 Series — Radiala | |||
| a Dimensional data applicable to some tyres in existence. For new approvals, dimensions calculated according to sections 6.1.1.1 and 6.1.2.1 of Annex II apply. | |||
| b Tolerances: see sections 6.1.4 and 6.1.5 of Annex II. | |||
| Tyre size designation | Measuring rim width(inches) | Outer diameterb(in mm) | Section widthb(in mm) |
|---|---|---|---|
| 145/70 R 10 | 3.5 | 462 | 139 |
| 155/70 R 10 | 3.5 | 474 | 146 |
| 165/70 R 10 | 4.5 | 494 | 165 |
| 145/70 R 12 | 4 | 512 | 144 |
| 155/70 R 12 | 4 | 524 | 151 |
| 165/70 R 12 | 4.5 | 544 | 165 |
| 175/70 R 12 | 5 | 552 | 176 |
| 145/70 R 13 | 4 | 538 | 144 |
| 155/70 R 13 | 4 | 550 | 151 |
| 165/70 R 13 | 4.5 | 568 | 165 |
| 175/70 R 13 | 4.5 | 580 | 176 |
| 185/70 R 13 | 5 | 598 | 186 |
| 195/70 R 13 | 5.5 | 608 | 197 |
| 205/70 R 13 | 5.5 | 625 | 204 |
| 145/70 R 14 | 4 | 564 | 144 |
| 155/70 R 14 | 4 | 576 | 151 |
| 165/70 R 14 | 4.5 | 592 | 165 |
| 175/70 R 14 | 5 | 606 | 176 |
| 185/70 R 14 | 5 | 624 | 186 |
| 195/70 R 14 | 5.5 | 636 | 197 |
| 205/70 R 14 | 5.5 | 652 | 206 |
| 215/70 R 14 | 6 | 665 | 217 |
| 225/70 R 14 | 6 | 677 | 225 |
| 235/70 R 14 | 6.5 | 694 | 239 |
| 245/70 R 14 | 6.5 | 705 | 243 |
| 145/70 R 15 | 4 | 590 | 144 |
| 155/70 R 15 | 4 | 602 | 151 |
| 165/70 R 15 | 4.5 | 618 | 165 |
| 175/70 R 15 | 5 | 632 | 176 |
| 185/70 R 15 | 5 | 648 | 186 |
| 195/70 R 15 | 5.5 | 656 | 197 |
| 205/70 R 15 | 5.5 | 669 | 202 |
| 215/70 R 15 | 6 | 682 | 213 |
| 225/70 R 15 | 6 | 696 | 220 |
| 235/70 R 15 | 6.5 | 712 | 234 |
| 245/70 R 15 | 6.5 | 720 | 239 |
| TABLE 5 | |||
| 60 Series radiala | |||
| a Dimensional data applicable to some tyres in existence. For new approvals, dimensions calculated according to sections 6.1.1.1 and 6.1.2.1 of Annex III apply. | |||
| b Tolerances: see sections 6.1.4 and 6.1.5 of Annex II. | |||
| Tyre size designation | Measuring rim width(inches) | Outer diameterb(in mm) | Section widthb(in mm) |
|---|---|---|---|
| 165/60 R 12 | 5 | 504 | 167 |
| 165/60 R 13 | 5 | 530 | 167 |
| 175/60 R 13 | 5.5 | 536 | 178 |
| 185/60 R 13 | 5.5 | 548 | 188 |
| 195/60 R 13 | 6 | 566 | 198 |
| 205/60 R 13 | 6 | 578 | 208 |
| 215/60 R 13 | 6 | 594 | 218 |
| 225/60 R 13 | 6.5 | 602 | 230 |
| 235/60 R 13 | 6.5 | 614 | 235 |
| 165/60 R 14 | 5 | 554 | 167 |
| 175/60 R 14 | 5.5 | 562 | 178 |
| 185/60 R 14 | 5.5 | 574 | 188 |
| 195/60 R 14 | 6 | 590 | 198 |
| 205/60 R 14 | 6 | 604 | 208 |
| 215/60 R 14 | 6 | 610 | 215 |
| 225/60 R 14 | 6 | 620 | 220 |
| 235/60 R 14 | 6.5 | 630 | 231 |
| 245/60 R 14 | 6.5 | 642 | 237 |
| 265/60 R 14 | 7 | 670 | 260 |
| 185/60 R 15 | 5.5 | 600 | 188 |
| 195/60 R 15 | 6 | 616 | 198 |
| 205/60 R 15 | 6 | 630 | 208 |
| 215/60 R 15 | 6 | 638 | 216 |
| 225/60 R 15 | 6.5 | 652 | 230 |
| 235/60 R 15 | 6.5 | 664 | 236 |
| 255/60 R 15 | 7 | 688 | 255 |
| 205/60 R 16 | 6 | 654 | 208 |
| 215/60 R 16 | 6 | 662 | 215 |
| 225/60 R 16 | 6 | 672 | 226 |
| 235/60 R 16 | 6.5 | 684 | 232 |
| TABLE 6 | |||
| High flotation tyres — radial | |||
| a Tolerances: see sections 6.1.4 and 6.1.5 of Annex II. | |||
| Tyre size designation | Measuring rim width(inches) | Outer diametera(in mm) | Section widtha(in mm) |
|---|---|---|---|
| 27 × 8.50 R 14 | 7 | 674 | 218 |
| 30 × 9.50 R 15 | 7.5 | 750 | 240 |
| 31 × 10.50 R 15 | 8.5 | 775 | 268 |
| 31 × 11.50 R 15 | 9 | 775 | 290 |
| 32 × 11.50 R 15 | 9 | 801 | 290 |
| 33 × 12.50 R 15 | 10 | 826 | 318 |
PART B: COMMERCIAL VEHICLE TYRESU.K.
| TABLE 1 | |||
| Commercial vehicle tyres | |||
| RADIAL NORMAL SECTION SIZES MOUNTED ON 5o-TAPERED OR FLAT BASE RIMS | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 6.50 R 20 | 5.00 | 860 | 181 |
| 7.00 R 16 | 5.50 | 784 | 198 |
| 7.00 R 18 | 5.50 | 842 | 198 |
| 7.00 R 20 | 5.50 | 892 | 198 |
| 7.50 R 16 and/or A16 or 1-16 | 6.00 | 802 | 210 |
| 7.50 R 17 and/or A17 or 1-17 | 6.00 | 852 | 210 |
| 7.50 R 20 and/or A20 or 1-20 | 6.00 | 928 | 210 |
| 8.25 R 16 and/or B16 or 2-16 | 6.50 | 860 | 230 |
| 8.25 R 17 and/or B17 or 2-17 | 6.50 | 886 | 230 |
| 8.25 R 20 and/or B20 or 2-20 | 6.50 | 962 | 230 |
| 9.00 R 16 and/or C16 or 3-16 | 6.50 | 912 | 246 |
| 9.00 R 20 and/or C20 or 3-20 | 7.00 | 1 018 | 258 |
| 10.00 R 20 and/or D20 or 4-20 | 7.50 | 1 052 | 275 |
| 10.00 R 22 and/or D22 or 4-22 | 7.50 | 1 102 | 275 |
| 11.00 R 16 | 6.50 | 980 | 279 |
| 11.00 R 20 and/or E20 or 5-20 | 8.00 | 1 082 | 286 |
| 11.00 R 22 and/or E22 or 5-22 | 8.00 | 1 132 | 286 |
| 11.00 R 24 and/or E24 or 5-24 | 8.00 | 1 182 | 286 |
| 12.00 R 20 and/or F20 or 6-20 | 8.50 | 1 122 | 313 |
| 12.00 R 22 | 8.50 | 1 174 | 313 |
| 12.00 R 24 and/or F24 or 6-24 | 8.50 | 1 226 | 313 |
| 13.00 R 20 | 9.00 | 1 176 | 336 |
| 14.00 R 20 and/or G20 or 7-20 | 10.00 | 1 238 | 370 |
| 14.00 R 22 | 10.00 | 1 290 | 370 |
| 14.00 R 24 | 10.00 | 1 340 | 370 |
Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.U.K.
| TABLE 2 | |||
| Commercial vehicle tyres | |||
| DIAGONAL | |||
| DIAGONAL NORMAL SECTION SIZES MOUNTED ON 5o-TAPERED OR FLAT BASE RIMS | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 7.00-16 | 5.50 | 774 | 198 |
| 7.00-20 | 5.50 | 898 | 198 |
| 7.50-16 and/or A16 or 1-16 | 6.00 | 806 | 210 |
| 7.50-17 and/or A17 or 1-17 | 6.00 | 852 | 210 |
| 7.50-20 and/or A20 or 1-20 | 6.00 | 928 | 213 |
| 8.25-16 and/or B16 or 2-16 | 6.50 | 860 | 234 |
| 8.25-17 and/or B17 or 2-17 | 6.50 | 895 | 234 |
| 8.25-20 and/or B20 or 2-20 | 6.50 | 970 | 234 |
| 9.00-16 | 6.50 | 900 | 252 |
| 9.00-20 and/or C20 or 3-20 | 7.00 | 1 012 | 256 |
| 9.00-24 and/or C24 or 3-24 | 7.00 | 1 114 | 256 |
| 10.00-20 and/or D20 or 4-20 | 7.50 | 1 050 | 275 |
| 10.00-22 and/or D22 or 4-22 | 7.50 | 1 102 | 275 |
| 11.00-20 and/or E20 or 5-20 | 8.00 | 1 080 | 291 |
| 11.00-22 and/or E22 or 5-22 | 8.00 | 1 130 | 291 |
| 11.00-24 and/or E24 or 5-24 | 8.00 | 1 180 | 291 |
| 12.00-18 | 8.50 | 1 070 | 312 |
| 12.00-20 and/or F20 or 6-20 | 8.50 | 1 120 | 312 |
| 12.00-22 and/or F22 or 6-22 | 8.50 | 1 172 | 312 |
| 12.00-24 and/or F24 or 6-24 | 8.50 | 1 220 | 312 |
| 13.00-20 | 9.00 | 1 170 | 342 |
| 14.00-20 and/or G20 or 7-20 | 10.00 | 1 238 | 375 |
| 14.00-22 and/or G22 or 7-22 | 10.00 | 1 290 | 375 |
| 14.00-24 and/or G24 or 7-24 | 10.00 | 1 340 | 375 |
| 15.00-20 | 11.25 | 1 295 | 412 |
| 16.00-20 | 13.00 | 1 370 | 446 |
Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.U.K.
| TABLE 3 | |||
| Commercial vehicle tyres | |||
| RADIAL NORMAL SECTION SIZES MOUNTED ON 15o-TAPERED RIMS (DROP-CENTRE) | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 8 R 17.5 | 6.00 | 784 | 208 |
| 8.5 R 17.5 | 6.00 | 802 | 215 |
| 9 R 17.5 | 6.75 | 820 | 230 |
| 9.5 R 17.5 | 6.75 | 842 | 240 |
| 10 R 17.5 | 7.50 | 858 | 254 |
| 11 R 17.5 | 8.25 | 900 | 279 |
| 7 R 19.5 | 5.25 | 800 | 185 |
| 8 R 19.5 | 6.00 | 856 | 208 |
| 8 R 22.5 | 6.00 | 936 | 208 |
| 9 R 19.5 | 6.75 | 894 | 230 |
| 9 R 22.5 | 6.75 | 970 | 230 |
| 9.5 R 19.5 | 6.75 | 916 | 240 |
| 10 R 19.5 | 7.50 | 936 | 254 |
| 10 R 22.5 | 7.50 | 1 020 | 254 |
| 11 R 19.5 | 8.25 | 970 | 279 |
| 11 R 22.5 | 8.25 | 1 050 | 279 |
| 11 R 24.5 | 8.25 | 1 100 | 279 |
| 12 R 19.5 | 9.00 | 1 008 | 300 |
| 12 R 22.5 | 9.00 | 1 084 | 300 |
| 13 R 22.5 | 9.75 | 1 124 | 320 |
| TABLE 4 | |||
| DIAGONAL NORMAL SECTION SIZES MOUNTED ON 15o-TAPERED RIMS (DROP-CENTRE) | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 8-19.5 | 6.00 | 856 | 208 |
| 9-19.5 | 6.75 | 894 | 230 |
| 9-22.5 | 6.75 | 970 | 230 |
| 10-22.5 | 7.50 | 1 020 | 254 |
| 11-22.5 | 8.25 | 1 054 | 279 |
| 11-24.5 | 8.25 | 1 100 | 279 |
| 12-22.5 | 9.00 | 1 084 | 300 |
Tolerance: see sections 6.1.4 and 6.1.5 of Annex II.U.K.
| TABLE 5 | |||
| Commercial vehicle tyres | |||
| RADIAL ‘WIDE BASE’ SIZES MOUNTED ON 15o-TAPERED RIMS (DROP-CENTRE) | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 14 R 19.5 | 10.50 | 962 | 349 |
| 15 R 19.5 | 11.75 | 998 | 387 |
| 15 R 22.5 | 11.75 | 1 074 | 387 |
| 16.5 R 19.5 | 13.00 | 1 046 | 425 |
| 16.5 R 22.5 | 13.00 | 1 122 | 425 |
| 18 R 19.5 | 14.00 | 1 082 | 457 |
| 18 R 22.5 | 14.00 | 1 158 | 457 |
| 19.5 R 19.5 | 15.00 | 1 134 | 495 |
| 21 R 22.5 | 16.50 | 1 246 | 540 |
| TABLE 6 | |||
| DIAGONAL ‘WIDE BASE’ SIZES MOUNTED ON 15o-TAPERED RIMS (DROP-CENTRE) | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 15-19.5 | 11.75 | 1 004 | 387 |
| 15-22.5 | 11.75 | 1 080 | 387 |
| 16.5-19.5 | 13.00 | 1 052 | 425 |
| 16.5-22.5 | 13.00 | 1 128 | 425 |
| 18-19.5 | 14.00 | 1 080 | 457 |
| 18-22.5 | 14.00 | 1 156 | 457 |
| 19.5-19.5 | 15.00 | 1 138 | 495 |
| 21-22.5 | 16.50 | 1 246 | 540 |
Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.U.K.
| TABLE 7 | |||
| Commercial vehicle tyres | |||
| RADIAL ‘80’ SERIES MOUNTED ON 5o TAPERED OR FLAT-BASE RIMS | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 12/80 R 20 | 8.50 | 1 008 | 305 |
| 13/80 R 20 | 9.00 | 1 048 | 326 |
| 14/80 R 20 | 10.00 | 1 090 | 350 |
| 14/80 R 24 | 10.00 | 1 192 | 350 |
| 14.75/80 R 20 | 10.00 | 1 124 | 370 |
| 15.5/80 R 20 | 10.00 | 1 158 | 384 |
| TABLE 8 | |||
| RADIAL ‘70’ SERIES MOUNTED ON 15o TAPERED RIMS (DROP-CENTRE) | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 9/70 R 22.5 | 6.75 | 892 | 229 |
| 10/70 R 22.5 | 7.50 | 928 | 254 |
| 11/70 R 22.5 | 8.25 | 962 | 279 |
| 12/70 R 22.5 | 9.00 | 999 | 305 |
| 13/70 R 22.5 | 9.75 | 1 033 | 330 |
| TABLE 9 | |||
| RADIAL ‘80’ SERIES MOUNTED ON 15o TAPERED RIMS (DROP-CENTRE) | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 12/80 R 22.5 | 9.00 | 1 046 | 305 |
Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.U.K.
| TABLE 10 | |||
| Commercial vehicle tyres | |||
| RADIAL TYRES FOR LIGHT COMMERCIAL VEHICLES MOUNTED ON RIM OF 16″ DIAMETER AND OVER | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 6.00 R 16 C | 4.50 | 728 | 170 |
| 6.00 R 18 C | 4.00 | 782 | 165 |
| 6.50 R 16 C | 4.50 | 742 | 176 |
| 6.50 R 17 C | 4.50 | 772 | 176 |
| 6.50 R 17 LC | 4.50 | 726 | 166 |
| 6.50 R 20 C | 5.00 | 860 | 181 |
| 7.00 R 16 C | 5.50 | 778 | 198 |
| 7.50 R 16 C | 6.00 | 802 | 210 |
| 7.50 R 17 C | 6.00 | 852 | 210 |
| TABLE 11 | |||
| DIAGONAL TYRES FOR LIGHT COMMERCIAL VEHICLES MOUNTED ON RIM OF 16″ DIAMETER AND OVER | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 6.00-16 C | 4.50 | 730 | 170 |
| 6.00-18 C | 4.00 | 786 | 165 |
| 6.00-20 C | 5.00 | 842 | 172 |
| 6.50-20 C | 4.50 | 748 | 176 |
| 6.50-17 LC | 4.50 | 726 | 166 |
| 6.50-20 C | 5.00 | 870 | 181 |
| 7.00-16 C | 5.50 | 778 | 198 |
| 7.00-18 C | 5.50 | 848 | 198 |
| 7.00-20 C | 5.50 | 898 | 198 |
| 7.50-16 C | 6.00 | 806 | 210 |
| 7.50-17 C | 6.00 | 852 | 210 |
| 8.25-16 C | 6.50 | 860 | 234 |
| 8.90-16 C | 6.50 | 885 | 250 |
| 9.00-16 C | 6.50 | 900 | 252 |
Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.U.K.
TABLE 12
Commercial vehicle tyres
| RADIAL TYRES FOR LIGHT COMMERCIAL VEHICLES MOUNTED ON 5o TAPERED RIMS | |||
| Rim diameter 12″ — 15″ | |||
| (DROP-CENTRE) | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| ‘Super balloon’ series | |||
| 5.60 R 12 C | 4.00 | 570 | 150 |
| 6.40 R 13 C | 5.00 | 648 | 172 |
| 6.70 R 13 C | 5.00 | 660 | 180 |
| 6.70 R 14 C | 5.00 | 688 | 180 |
| 6.70 R 15 C | 5.00 | 712 | 180 |
| 7.00 R 15 C | 5.50 | 744 | 195 |
| ‘Low section’ series | |||
| 6.50 R 14 C | 5.00 | 640 | 170 |
| 7.00 R 14 C | 5.00 | 650 | 180 |
| 7.50 R 14 C | 5.50 | 686 | 195 |
| TYRES FOR LIGHT COMMERCIAL VEHICLES MOUNTED ON 15o TAPERED RIMS (DROP-CENTRE) | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 7 R 17.5 C | 5.25 | 752 | 185 |
| 8 R 17.5 C | 6.00 | 784 | 208 |
Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.U.K.
| TABLE 13 | |||
| Commercial vehicle tyres | |||
| DIAGONAL TYRES FOR LIGHT COMMERCIAL VEHICLES MOUNTED ON 5o TAPERED RIMS (DROP CENTRE) | |||
| Rim diameter 12″ — 15″ | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| ‘Super balloon’ series | |||
| 5.20-12 C | 3.50 | 560 | 136 |
| 5.60-12 C | 4.00 | 572 | 148 |
| 5.60-13 C | 4.00 | 598 | 148 |
| 5.90-13 C | 4.50 | 616 | 158 |
| 5.90-14 C | 4.50 | 642 | 158 |
| 5.90-15 C | 4.50 | 668 | 158 |
| 6.40-13 C | 5.00 | 640 | 172 |
| 6.40-14 C | 5.00 | 666 | 172 |
| 6.40-15 C | 5.00 | 692 | 172 |
| 6.40-16 C | 4.50 | 748 | 172 |
| 6.70-13 C | 5.00 | 662 | 180 |
| 6.70-14 C | 5.00 | 688 | 180 |
| 6.70-15 C | 5.00 | 714 | 180 |
| ‘Low section’ series | |||
| 5.50-12 C | 4.00 | 552 | 142 |
| 6.00-12 C | 4.50 | 574 | 158 |
| 6.00-14 C | 4.50 | 626 | 158 |
| 6.50-14 C | 5.00 | 650 | 172 |
| 6.50-15 C | 5.00 | 676 | 172 |
| 7.00-14 C | 5.00 | 668 | 182 |
| 7.50-14 C | 5.50 | 692 | 192 |
| ‘Balloon’ series | |||
| 7.00-15 C | 5.50 | 752 | 198 |
| 7.50-15 C | 6.00 | 780 | 210 |
| ‘Millimetric’ series | |||
| 125-12 C | 3.50 | 514 | 127 |
| 165-15 C | 4.50 | 652 | 167 |
| 185-14 C | 5.50 | 654 | 188 |
| 195-14 C | 5.50 | 670 | 198 |
| 245-16 C | 7.00 | 798 | 248 |
| 17-15 C or | 5.00 | 678 | 178 |
| 17-380 C | 5.00 | 678 | 178 |
| 17-400 C | 19 × 400 mm | 702 | 186 |
| 19-400 C | 19 × 400 mm | 736 | 200 |
| 21-400 C | 19 × 400 mm | 772 | 216 |
Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.U.K.
| TABLE 14 | |||
| Commercial vehicle tyres | |||
| RADIAL TYRES FOR LIGHT COMMERCIAL VEHICLES MOUNTED ON 5o TAPERED RIMS (DROP-CENTRE) RIMS | |||
| ‘Millimetric’ series | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 125 R 12 C | 3.50 | 510 | 127 |
| 125 R 13 C | 3.50 | 536 | 127 |
| 125 R 14 C | 3.00 | 562 | 127 |
| 125 R 15 C | 3.50 | 588 | 127 |
| 135 R 12 C | 4.00 | 522 | 137 |
| 135 R 13 C | 4.00 | 548 | 137 |
| 135 R 14 C | 4.00 | 574 | 137 |
| 135 R 15 C | 4.00 | 600 | 137 |
| 145 R 10 C | 4.00 | 492 | 147 |
| 145 R 12 C | 4.00 | 542 | 147 |
| 145 R 13 C | 4.00 | 566 | 147 |
| 145 R 14 C | 4.00 | 590 | 147 |
| 145 R 15 C | 4.00 | 616 | 147 |
| 155 R 12 C | 4.50 | 550 | 157 |
| 155 R 13 C | 4.50 | 578 | 157 |
| 155 R 14 C | 4.50 | 604 | 157 |
| 155 R 15 C | 4.50 | 630 | 157 |
| 155 R 16 C | 4.50 | 656 | 157 |
| 165 R 13 C | 4.50 | 596 | 167 |
| 165 R 14 C | 4.50 | 622 | 167 |
| 165 R 15 C | 4.50 | 646 | 167 |
| 165 R 16 C | 4.50 | 672 | 167 |
| 175 R 13 C | 5.00 | 608 | 178 |
| 175 R 14 C | 5.00 | 634 | 178 |
| 175 R 15 C | 5.00 | 660 | 178 |
| 175 R 16 C | 5.00 | 684 | 178 |
| 185 R 13 C | 5.50 | 624 | 188 |
| 185 R 14 C | 5.50 | 650 | 188 |
| 185 R 15 C | 5.50 | 674 | 188 |
| 185 R 16 C | 5.50 | 700 | 188 |
| 195 R 14 C | 5.50 | 666 | 198 |
| 195 R 15 C | 5.50 | 690 | 198 |
| 195 R 16 C | 5.50 | 716 | 198 |
| 205 R 14 C | 6.00 | 686 | 208 |
| 205 R 15 C | 6.00 | 710 | 208 |
| 205 R 16 C | 6.00 | 736 | 208 |
| 215 R 14 C | 6.00 | 700 | 218 |
| 215 R 15 C | 6.00 | 724 | 218 |
| 215 R 16 C | 6.00 | 750 | 218 |
| 225 R 14 C | 6.50 | 714 | 228 |
| 225 R 15 C | 6.50 | 738 | 228 |
| 225 R 16 C | 6.50 | 764 | 228 |
| 235 R 14 C | 6.50 | 728 | 238 |
| 235 R 15 C | 6.50 | 752 | 238 |
| 235 R 16 C | 6.50 | 778 | 238 |
| 17 R 15 C or | 5.00 | 678 | 178 |
| 17 R 380 C | 5.00 | 678 | 178 |
| 17 R 400 C | 19 × 400 mm | 698 | 186 |
| 19 R 400 C | 19 × 400 mm | 728 | 200 |
Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.U.K.
| TABLE 15 | |||
| Commercial vehicle tyres | |||
| DIAGONAL WIDE-BASE TYRES FOR MULTIPURPOSE TRUCKS ON HIGHWAY, OFF-THE-ROAD AND AGRICULTURAL SERVICES | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 10.5-18 MPT | 9 | 905 | 270 |
| 10.5-20 MPT | 9 | 955 | 270 |
| 12.5-18 MPT | 11 | 990 | 325 |
| 12.5-20 MPT | 11 | 1 040 | 325 |
| 14.5-20 MPT | 11 | 1 095 | 355 |
| 14.5-24 MPT | 11 | 1 195 | 355 |
| 7.50-18 MPT | 5.50 | 885 | 208 |
| TABLE 16 | |||
| RADIAL WIDE-BASE TYRES FOR MULTIPURPOSE TRUCKS ON HIGHWAY, OFF-THE-ROAD AND AGRICULTURAL SERVICES | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 10.5 R 20 MPT | 9 | 955 | 276 |
| 12.5 R 20 MPT | 11 | 1 040 | 330 |
| 14.5 R 20 MPT | 11 | 1 095 | 362 |
| 14.5 R 24 MPT | 11 | 1 195 | 362 |
Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.U.K.
| TABLE 17 | |||
| Commercial vehicle tyres | |||
| RADIAL ‘FREE-ROLLING’ TYRES IN HIGHWAY SERVICE | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 5.00 R 8 | 3.00 | 467 | 132 |
| 6.00 R 9 | 4.00 | 540 | 160 |
| 7.00 R 12 | 5.00 | 672 | 192 |
| 7.50 R 15 | 6.00 | 772 | 212 |
| 8.25 R 15 | 6.50 | 836 | 234 |
| 10.00 R 15 | 7.50 | 918 | 275 |
| TABLE 18 | |||
| DIAGONAL ‘FREE-ROLLING’ TYRES IN HIGHWAY SERVICE | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 6.00-9 | 4.00 | 540 | 160 |
| 7.00-12 | 5.00 | 672 | 192 |
| 7.00-15 | 5.00 | 746 | 192 |
| 7.50-15 | 6.00 | 772 | 212 |
| 8.25-15 | 6.50 | 836 | 234 |
| 10.00-15 | 7.50 | 918 | 275 |
| 200-15 | 6.50 | 730 | 205 |
| TABLE 19 | |||
| DIAGONAL ‘75’ SERIES MOUNTED ON 15o TAPERED RIMS | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 7.25/75-16.5 or 7.25-16.5 | 5.25 | 695 | 182 |
| 8.00/75-16.5 or 8.00-16.5 | 6.00 | 724 | 203 |
| 8.75/75-16.5 or 8.75-16.5 | 6.75 | 752 | 224 |
| 9.50/75-16.5 or 9.50-16.5 | 7.50 | 781 | 245 |
Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.U.K.
TABLE 20
Commercial vehicle tyres
| DIAGONAL | |||
| DIAGONAL AND RADIAL TYRES MOUNTED ON FLAT BASE OR DIVIDED RIMS | |||
| a Also marked 18 × 7. | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 3.00-4 | 2.10 | 255 | 81 |
| 4.00-4 | 2.50 | 312 | 107 |
| 4.00-8 | 2.50 | 414 | 107 |
| 5.00-8 | 3.00 | 467 | 132 |
| 6.50-10 | 5.00 | 588 | 177 |
| 7.00-9 | 5.00 | 562 | 174 |
| 7.50-10 | 5.50 | 645 | 207 |
| 8.25-10 | 6.50 | 698 | 240 |
| 10.50-13 | 6.00 | 889 | 275 |
| 10.50-16 | 6.00 | 965 | 275 |
| 11.00-16 | 6.00 | 952 | 272 |
| 14.00-16 | 10.00 | 1 139 | 375 |
| 15 × 4.5-2 | 3.25 | 385 | 122 |
| 16 × 6-8 | 4.33 | 425 | 152 |
| 18 × 7-8a | 4.33 | 462 | 173 |
| 21 × 4 | 2.32 | 565 | 113 |
| 21 × 8-9 | 6.00 | 535 | 200 |
| 23 × 9-10 | 6.50 | 595 | 225 |
| 22 × 4.5 | 3.11 | 595 | 132 |
| 23 × 5 | 3.75 | 635 | 155 |
| 25 × 6 | 3.75 | 680 | 170 |
| 27 × 6 | 4.33 | 758 | 188 |
| 27 × 10-12 | 8.00 | 690 | 255 |
| 28 × 6 | 3.75 | 760 | 170 |
| 28 × 9-15 | 7.00 | 707 | 216 |
| (8.15-15) | 7.00 | 707 | 216 |
| 29 × 7 | 5.00 | 809 | 211 |
| 29 × 8 | 6.00 | 809 | 243 |
| 9.00-15 | 6.00 | 840 | 249 |
| 2.50-15 | 7.50 | 735 | 250 |
| 3.00-15 | 8.00 | 840 | 300 |
| RADIAL | |||
| Tyre size designation | Measuring-rim width(in inches) | Outer diameter(in mm) | Section width(in mm) |
|---|---|---|---|
| 6.50 R 10 | 5.00 | 588 | 177 |
| 7.00 R 15 | 5.50 | 746 | 197 |
| 7.50 R 10 | 5.50 | 645 | 207 |
| 15 × 4.5 R 8 | 3.25 | 385 | 122 |
| 16 × 6 R 8 | 4.33 | 425 | 152 |
| 18 × 7 R 8 | 4.33 | 462 | 173 |
| 560 × 165 R 11 | 5.00 | 560 | 175 |
| 680 × 180 R 15 | 5.00 | 680 | 189 |
Tolerances: see sections 6.1.4 and 6.1.5 of Annex II.U.K.
| TABLE 21 | |||||
| Tyres for trucks, buses, trailers and multipurpose passenger vehicles in normal highway service | |||||
| DIAGONAL AND RADIAL TYRES MOUNTED ON 5o DROP-CENTRE OR SEMI-DROP-CENTRE RIMS | |||||
| a Overall tyre widths may exceed the above section widths by 8 %. | |||||
| b Tolerance + 8 % of the difference between the above outer diameter and the nominal rim diameters. | |||||
| Tyre size designation | Measuring-rim width(in inches) | Section width(in mm)a | Outer diameter | ||
|---|---|---|---|---|---|
| Diagonal | Radial | Highway tread(in mm)b | Mud and snow(in mm)b | ||
| 6.00-16 LT | 6.00 R 16 LT | 4.50 | 173 | 732 | 743 |
| 6.50-16 LT | 6.50 R 16 LT | 4.50 | 182 | 755 | 767 |
| 6.70-15 LT | 6.70 R 15 LT | 5.00 | 191 | 722 | 733 |
| 7.00-13 LT | 7.00 R 13 LT | 5.00 | 187 | 647 | 658 |
| 7.00-14 LT | 7.00 R 14 LT | 5.00 | 187 | 670 | 681 |
| 7.00-15 LT | 7.00 R 15 LT | 5.50 | 202 | 752 | 763 |
| 7.00-16 LT | 7.00 R 16 LT | 5.50 | 202 | 778 | 788 |
| 7.10-15 LT | 7.10 R 15 LT | 5.00 | 199 | 738 | 749 |
| 7.50-15 LT | 7.50 R 15 LT | 6.00 | 220 | 782 | 794 |
| 7.50-16 LT | 7.50 R 16 LT | 6.00 | 220 | 808 | 819 |
| 8.25-16 LT | 8.25 R 16 LT | 6.50 | 241 | 859 | 869 |
| 9.00-16 LT | 9.00 R 16 LT | 6.50 | 257 | 890 | 903 |
| D78-14 LT | DR 78-14 LT | 5.00 | 192 | 661 | 672 |
| E78-14 LT | ER 78-14 LT | 5.50 | 199 | 667 | 678 |
| C78-15 LT | CR 78-15 LT | 5.00 | 187 | 672 | 683 |
| G78-15 LT | GR 78-15 LT | 6.00 | 212 | 711 | 722 |
| H78-15 LT | HR 78-15 LT | 6.00 | 222 | 727 | 739 |
| L78-15 LT | LR 78-15 LT | 6.50 | 236 | 749 | 760 |
| F78-16 LT | FR 78-16 LT | 5.50 | 202 | 721 | 732 |
| H78-16 LT | HR 78-16 LT | 6.00 | 222 | 753 | 764 |
| L78-16 LT | LR 78-16 LT | 6.50 | 236 | 775 | 786 |
TABLE 22
Tyres for trucks, buses, trailers and multipurpose passenger vehicles in normal highway service
DIAGONAL AND RADIAL TYRES MOUNTED ON 15o DROP-CENTRE RIMS
| TABLE 22.1 | |||||
| a Overall tyre widths may exceed the above section widths by 8 %. | |||||
| b Tolerance + 8 % of the difference between the above outer diameters and the nominal rim diameters. | |||||
| Tyre size designation | Measuring-rim width(inches) | Section width(mm)a | Outer diameter | ||
|---|---|---|---|---|---|
| Diagonal | Radial | Highway tread(mm)b | Mud and snow(mm)b | ||
| 7-14.5 LT | — | 6.00 | 185 | 677 | — |
| 8-14.5 LT | — | 6.00 | 203 | 707 | — |
| 9-14.5 LT | — | 7.00 | 241 | 711 | — |
| 7-17.5 LT | 7 R 17.5 LT | 5.25 | 189 | 758 | 769 |
| 8-17.5 LT | 8 R 17.5 LT | 5.25 | 199 | 788 | 799 |
| TABLE 22.2 | |||||
| a Overall tyre widths may exceed the above section widths by 7 %. | |||||
| b Tolerance + 8 % of the difference between the above outer diameter and the nominal rim diameters. | |||||
| Tyre size designation | Measuring-rim width(inches) | Section width(mm)a | Outer diameter | ||
|---|---|---|---|---|---|
| Diagonal | Radial | Highway tread(mm)b | Mud and snow(mm)b | ||
| 8.00-16.5 LT | 8.00 R 16.5 LT | 6.00 | 203 | 720 | 730 |
| 8.75-16.5 LT | 8.75 R 16.5 LT | 6.75 | 222 | 748 | 759 |
| 9.50-16.5 LT | 9.50 R 16.5 LT | 6.75 | 241 | 776 | 787 |
| 10-16.5 LT | 10 R 16.5 LT | 8.25 | 264 | 762 | 773 |
| 10-17.5 LT | 10 R 17.5 LT | 8.25 | 264 | 787 | 798 |
| 12-16.5 LT | 12 R 16.5 LT | 9.75 | 307 | 818 | 831 |
| 30 × 9.50-16.5 LT | 30 × 9.50 R 16.5 LT | 7.50 | 240 | 750 | 761 |
| 31 × 10.50-16.5 LT | 31 × 10.50 R 16.5 LT | 8.25 | 266 | 775 | 787 |
| 33 × 10.50-16.5 LT | 33 × 12.50 R 16.5 LT | 9.75 | 315 | 826 | 838 |
| 37 × 10.50-16.5 LT | 37 × 14.50 R 16.5 LT | 11.25 | 365 | 928 | 939 |
| TABLE 23 | ||||||
| Tyres for trucks, buses, trailers in normal highway service | ||||||
| DIAGONAL AND RADIAL TYRES MOUNTED ON 15o DROP-CENTRE RIMS | ||||||
| a Overall tyre widths may exceed the above section widths by 6 %. | ||||||
| b Tolerance + 5 % of the difference between the above outer diameter and the nominal rim diameters. | ||||||
| Tyre size designation | Measuring-rim width(inches) | Section width(mm)a | Outer diameter | |||
|---|---|---|---|---|---|---|
| Diagonal | Radial | Highway tread(mm)b | Heavy tread(mm)b | Mud and snow(mm)b | ||
| Normal-section tyres | ||||||
| 7-22.5 | 7 R 22.5 | 5.25 | 178 | 878 | — | 894 |
| 8-19.5 | 8 R 19.5 | 6.00 | 203 | 859 | — | 876 |
| 8-22.5 | 8 R 22.5 | 6.00 | 203 | 935 | — | 952 |
| 9-22.5 | 9 R 22.5 | 6.75 | 229 | 974 | 982 | 992 |
| 10-22.5 | 10 R 22.5 | 7.50 | 254 | 1 019 | 1 031 | 1 038 |
| 11-22.5 | 11 R 22.5 | 8.25 | 279 | 1 054 | 1 067 | 1 037 |
| 11-24.5 | 11 R 24.5 | 8.25 | 279 | 1 104 | 1 118 | 1 123 |
| 12-22.5 | 12 R 22.5 | 9.00 | 300 | 1 085 | 1 099 | 1 104 |
| 12-24.5 | 12 R 24.5 | 9.00 | 300 | 1 135 | 1 150 | 1 155 |
| 12.5-22.5 | 12.5 R 22.5 | 9.00 | 302 | 1 085 | 1 099 | 1 104 |
| 12.5-22.5 | 12.5 R 24.5 | 9.00 | 302 | 1 135 | 1 150 | 1 155 |
| Wide-base tyres | ||||||
| 14-17.5 | 14 R 17.5 | 10.50 | 349 | 907 | — | 921 |
| 15-19.5 | 15 R 19.5 | 11.75 | 389 | 1 005 | — | 1 019 |
| 15-22.5 | 15 R 22.5 | 11.75 | 389 | 1 082 | — | 1 095 |
| 16.5-19.5 | 16.5 R 19.5 | 13.00 | 425 | 1 052 | — | 1 068 |
| 16.5-22.5 | 16.5 R 22.5 | 13.00 | 425 | 1 128 | — | 1 144 |
| 18-19.5 | 18 R 19.5 | 14.00 | 457 | 1 080 | — | 1 096 |
| 18-22.5 | 18 R 22.5 | 14.00 | 457 | 1 158 | — | 1 172 |
| 19.5-19.5 | 19.5 R 19.5 | 15.00 | 495 | 1 138 | — | 1 156 |
| TABLE 24 | ||||||
| Tyres for trucks, buses, trailers in normal highway service | ||||||
| DIAGONAL AND RADIAL TYRES MOUNTED ON 5o DROP-CENTRE RIMS | ||||||
| a Overall tyre widths may exceed the above section widths by 6 %. | ||||||
| b Tolerance + 6 % of the difference between the above outer diameter and the nominal rim diameters. | ||||||
| Tyre size designation | Measuring-rim width(inches) | Section width(mm)a | Outer diameter | |||
|---|---|---|---|---|---|---|
| Diagonal | Radial | Highway tread(mm)b | Heavy tread(mm)b | Mud and snow(mm)b | ||
| — | 8R14LT | 7.00 | 216 | 667 | — | — |
| 9-15LT | — | 8.00 | 254 | 744 | 755 | — |
| 10-15LT | 10R15LT | 8.00 | 264 | 773 | 783 | — |
| 10-16LT | — | 8.00 | 264 | 798 | 809 | — |
| 11-14LT | — | 8.00 | 279 | 752 | 763 | — |
| 11-15LT | 11R15LT | 8.00 | 279 | 777 | 788 | — |
| 11-16LT | — | 8.00 | 279 | 803 | 813 | — |
| 12-15LT | — | 10.00 | 318 | 823 | 834 | — |
| — | 9R15LT | 8.00 | 254 | 744 | 755 | 752 |
| 24 × 7.50-13LT | 24 × 7.50R13LT | 6.00 | 191 | 597 | 609 | 604 |
| 27 × 8.50-14LT | 27 × 8.50-14LT | 7.00 | 218 | 674 | 685 | 680 |
| 28 × 8.50-15LT | 28 × 8.50-15LT | 7.00 | 218 | 699 | 711 | 705 |
| 29 × 9.50-15LT | 29 × 9.50-15LT | 7.50 | 240 | 724 | 736 | 731 |
| 30 × 9.50-15LT | 30 × 9.50-15LT | 7.50 | 240 | 750 | 761 | 756 |
| 31 × 10.50-15LT | 31 × 10.50-15LT | 8.50 | 268 | 775 | 787 | 781 |
| 31 × 11.50-15LT | 31 × 11.50-15LT | 9.00 | 290 | 775 | 787 | 781 |
| 32 × 11.50-15LT | 32 × 11.50-15LT | 9.00 | 290 | 801 | 812 | 807 |
| 33 × 12.50-15LT | 33 × 12.50-15LT | 10.00 | 318 | 826 | 838 | 832 |
| 35 × 12.50-15LT | 35 × 12.50-15LT | 10.00 | 318 | 877 | 888 | 883 |
| 37 × 12.50-15LT | 37 × 12.50-15LT | 10.00 | 318 | 928 | 939 | 934 |
| 31 × 13.50-15LT | 31 × 13.50-15LT | 11.00 | 345 | 775 | 787 | 781 |
| 37 × 14.50-15LT | 37 × 14.50-15LT | 12.00 | 372 | 928 | 939 | 934 |
| 31 × 15.50-15LT | 31 × 15.50-15LT | 12.00 | 390 | 775 | 787 | 781 |
| TABLE 25 | ||||||
| Tyres for trucks, buses and trailers in normal highway service | ||||||
| DIAGONAL AND RADIAL TYRES MOUNTED ON MULTI-PIECE BYMS | ||||||
| a Overall tyre widths may exceed the above section widths by 6 %. | ||||||
| b Tolerance + 6 % of the difference between the above outer diameter and the nominal rim diameters. | ||||||
| Tyre size designation | Measuring-rim width(inches) | Section width(mm)a | Outer diameter | |||
|---|---|---|---|---|---|---|
| Diagonal | Radhal | Highway tread(mm)b | Heavy tread(mm)b | Mud and snow(mm)b | ||
| 6.50-20 | 6.50R20 | 5.00 | 184 | 878 | — | 1 049 |
| 7.00-15TR | 7.00R15TR | 5.50 | 199 | 777 | — | 962 |
| 7.00-17 | 7.00R17 | 5.50 | 199 | 828 | — | 843 |
| 7.00-18 | 7.00R18 | 5.50 | 199 | 853 | — | 868 |
| 7.00-20 | 7.00R20 | 5.50 | 199 | 904 | — | 919 |
| 7.50-15TR | 7.50R15TR | 6.00 | 215 | 808 | — | 825 |
| 7.50-17 | 7.50R17 | 6.00 | 215 | 859 | — | 876 |
| 7.50-18 | 7.50R18 | 6.00 | 215 | 884 | — | 981 |
| 7.50-20 | 7.50R20 | 6.00 | 215 | 935 | — | 952 |
| 8.25-15TR | 8.25R15TR | 6.50 | 236 | 847 | 855 | 865 |
| 8.25-17 | 8.25R17 | 6.50 | 236 | 898 | 906 | 915 |
| 8.25-20 | 8.25R20 | 6.50 | 236 | 974 | 982 | 992 |
| 9.00-15TR | 9.00R15TR | 7.00 | 259 | 891 | 904 | 911 |
| 9.00-20 | 9.00R20 | 7.00 | 259 | 1 019 | 1 031 | 1 038 |
| 10.00-15TR | 10.00R15TR | 7.50 | 278 | 927 | 940 | 946 |
| 10.00-20 | 10.00R20 | 7.50 | 278 | 1 054 | 1 067 | 1 073 |
| 10.00-22 | 10.50R22 | 7.50 | 278 | 1 104 | 1 118 | 1 123 |
| 11.00-15TR | 11.00R15TR | 8.00 | 293 | 958 | 972 | 977 |
| 11.00-20 | 11.00R20 | 8.00 | 293 | 1 085 | 1 099 | 1 104 |
| 11.00-22 | 11.00R22 | 8.00 | 293 | 1 135 | 1 150 | 1 155 |
| 11.00-24 | 11.00R24 | 8.00 | 293 | 1 186 | 1 201 | 1 206 |
| 11.50-20 | 11.50R20 | 8.00 | 296 | 1 085 | 1 099 | 1 104 |
| 11.50-22 | 11.50R22 | 8.00 | 296 | 1 135 | 1 150 | 1 155 |
| 12.50-20 | 12.00R20 | 8.50 | 315 | 1 125 | — | 1 146 |
| 12.50-24 | 12.00R24 | 8.50 | 315 | 1 226 | — | 1 247 |
| TABLE 26 | |||||
| Tyres for trucks and trailers in highway service at restricted speeds | |||||
| DIAGONAL AND RADIAL TYRES MOUNTED ON MULTI-PIECE RIMS | |||||
| a Overall tyre widths may exceed the above section widths by 6 %. | |||||
| b Tolerance + 6 % of the difference between the above outer diameter and the nominal rim diameters. | |||||
| Tyre size designation | Measuring-rim width(inches) | Section width(mm)a | Outer diameter | ||
|---|---|---|---|---|---|
| Diagonal | Radial | Highway tread(mm)b | Mud and snow(mm)b | ||
| 13.00-20 | 13.00R20 | 9.00 | 340 | 1 177 | 1 200 |
| 14.00-20 | 14.00R20 | 10.00 | 375 | 1 241 | 1 266 |
| 14.00-24 | 14.00R24 | 10.00 | 375 | 1 343 | 1 368 |
| TABLE 27 | |||
| Tyres for mobile homes in highway service | |||
| DIAGONAL | |||
| a Overall tyre widths may exceed the above section widths by 8 %. | |||
| b Tolerance + 8 % of the difference between the above outer diameter and the nominal rim diameters. | |||
| Tyre size designation | Measuring-rim width(inches) | Section width(mm)a | Outer diameter(mm)b |
|---|---|---|---|
| Tyres mounted on 15o drop-centre rims | |||
| 7-14.5 MH | 6.00 | 185 | 677 |
| 8-14.5 MH | 6.00 | 203 | 707 |
| 9-14.5 MH | 7.00 | 241 | 711 |
| Tyres mounted on 5o drop-centre and semi-drop-centre rims | |||
| 7.00-15 MH | 5.50 | 202 | 752 |
| TABLE 28 | ||||
| Mining and logging tyres in intermittent highway service | ||||
| DIAGONAL | ||||
| a Overall tyre widths may exceed the above section widths by 8 %. | ||||
| b Tolerance + 6 % of the difference between the above outer diameter and the nominal rim diameters. | ||||
| Tyre size designation | Measuring-rim width(inches) | Section width(mm)a | Outer diameter | |
|---|---|---|---|---|
| Traction tread(mm)b | Extra tread(mm)b | |||
| Tyres mounted on 15o drop-centre rims | ||||
| 7.00-20 ML | 5.50 | 199 | 919 | — |
| 7.50-20 ML | 6.00 | 215 | 952 | — |
| 8.25-20 ML | 6.50 | 236 | 992 | — |
| 9.00-20 ML | 7.00 | 259 | 1 038 | 1 063 |
| 10.00-20 ML | 7.50 | 278 | 1 073 | 1 099 |
| 10.00-22 ML | 7.50 | 278 | 1 123 | 1 150 |
| 10.00-20 ML | 7.50 | 278 | 1 174 | 1 200 |
| 11.00-20 ML | 8.00 | 293 | 1 104 | 1 131 |
| 11.00-22 ML | 8.00 | 293 | 1 155 | 1 182 |
| 11.00-24 ML | 8.00 | 293 | 1 206 | 1 233 |
| 12.00-20 ML | 8.50 | 315 | 1 146 | 1 173 |
| 12.00-24 ML | 8.50 | 315 | 1 247 | 1 275 |
| 13.00-20 ML | 9.00 | 340 | 1 200 | — |
| 13.00-24 ML | 9.00 | 340 | 1 302 | — |
| 14.00-20 ML | 10.00 | 375 | 1 266 | — |
| 14.00-24 ML | 10.00 | 375 | 1 368 | — |
| Tyres mounted on full-tapered bead seat rims | ||||
| 11.00-25 ML | 8.50 | 298 | 1 206 | 1 233 |
| 12.00-21 ML | 8.50 | 315 | 1 146 | 1 175 |
| 12.00-25 ML | 8.50 | 315 | 1 247 | 1 275 |
| 13.00-25 ML | 10.00 | 351 | 1 302 | — |
| 14.00-21 ML | 10.00 | 375 | 1 266 | — |
| 14.00-25 ML | 10.00 | 375 | 1 368 | — |
| Tyres mounted on 15o drop-centre rims | ||||
| 9-22.5 ML | 6.75 | 229 | 992 | — |
| 10-22.5 ML | 7.50 | 254 | 1 038 | — |
| 11-22.5 ML | 8.25 | 279 | 1 073 | — |
| 11-24.5 ML | 8.25 | 279 | 1 123 | — |
| 12-22.5 ML | 9.00 | 300 | 1 104 | — |
| Tyres mounted on 15o drop-centre rims | ||||
| 14-17.5 ML | 10.50 | 349 | 921 | — |
| 15-19.5 ML | 11.75 | 389 | 1 019 | — |
| 15-22.5 ML | 11.75 | 389 | 1 095 | — |
| 16.5-19.5 ML | 13.00 | 425 | 1 068 | — |
| 16.5-22.5 ML | 13.00 | 425 | 1 144 | — |
| 18-19.5 ML | 14.00 | 457 | 1 096 | — |
| 18-22.5 ML | 14.00 | 457 | 1 172 | — |
| 19.5-19.5 ML | 15.00 | 495 | 1 156 | — |
| 23-23.5 ML | 17.00 | 584 | 1 320 | — |
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