Roaring 20s and 30s
WIRED ON-ROAD
| SIZE | TREAD PATTERN |
INFLATED DIAMETER |
INFLATED WIDTH |
ROLLING RADIUS |
REVS PER MILE |
MAX LOAD |
MAXIUM PRESSURE |
RIMM DIA. |
RIMM SECTION |
RIMM WIDTH |
|||||
| IN. | MM. | IN. | MM. | IN. | MM. | LB. | KG. | PSI | BAR | D IN. | IN. | IN. | |||
| STRAIGHT SIDED 32 X 4 1/2 | TRIPLE STUD | 33.50 | 851 | 4.95 | 126 | 16.05 | 408 | 628 | 1400 | 635 | 60 | 4.2 | 23 | 3.112 (4.43 OVERALL) | 0.875 |
CROSSPLY
MAXIMUM SPEED CAPABILITIES
NON SPEED-MARKED TYRES (e.g. 6.40 - 13) have a maximum speed capability of 95mph (150kph) SPEED-MARKED TYRES In these cases the maximum speed capability of the tyre is indicated by the letter within the tyre size, (e.g. 8.90S15 or 7.00H16) where: S = maximum speed capability of 113mph (180kph). H = maximum speed capability of 130mph (210kph).
Note: for periods of sustained high speed in excess of 95mph (150kph) normal tyre pressure should be increased by 10 p.s.i. (0.7 bar). If in doubt with regard to the correct tyre pressure please contact Dunlop Tyres Ltd. customer service on +44 (0) 1902 453097 for further advice.
| TREAD PATTERN | INFLATED DIAMETER |
INFLATED WIDTH |
LOADED STATIC RAIDUS |
ROLLING CIRC. @ 30 MPH |
REVS PER MILE @ 30 MPH |
MAX LOAD |
MAXIUM PRESSURE |
MEASURING RIM WIDTH |
|||||||
| in. | mm. | in. | mm. | in. | mm. | in. | mm. | kg. | psi | bar | in. | mm. | |||
| 4.75/5.00-17 | FORT B5 T/L | 28.00 | 711 | 5.40 | 137 | 13.25 | 337 | 83.90 | 2131 | 755 | 420 | 32 | 2.20 | 3.00 | 76 |
| 5.25/5.50-17 | GOLD SEAL D2/103 | 29.20 | 742 | 6.00 | 152 | 13.95 | 354 | 87.35 | 2219 | 725 | 559 | 36 | 2.50 | 3.25 | 83 |
| 6.00/6.50-17 | FORT F4T | 30.40 | 722 | 7.20 | 183 | 14.30 | 363 | 91.10 | 2314 | 696 | 762 | 40 | 2.75 | 5.00 | 127 |
| 7.00-17 | FORT B5 and FORT B5 T/L | 31.65 | 804 | 7.50 | 191 | 15.05 | 382 | 95.80 | 2433 | 670 | 864 | 40 | 2.75 | 5.00 | 127 |
| 4.50-18 | B5 | 27.60 | 701 | 4.60 | 117 | 12.70 | 322 | 82.62 | 2098 | 767 | 350 | 36 | 2.20 | 2.50 | 64 |
| 4.75/5.00-18 | GOLD SEAL D2/103 | 29.00 | 737 | 5.40 | 137 | 13.75 | 349 | 87.00 | 2210 | 728 | 457 | 36 | 2.50 | 3.00 | 76 |
| 5.25/5.50-18 | GOLD SEAL D2/103 | 30.30 | 770 | 6.00 | 152 | 14.30 | 363 | 90.50 | 2290 | 701 | 559 | 36 | 2.50 | 3.25 | 83 |
| 6.00/6.50-18 | B5 | 30.75 | 781 | 6.30 | 160 | 14.40 | 366 | 91.75 | 2331 | 690 | 762 | 40 | 2.75 | 3.62 | 92 |
| 7.00-18 | FORT B5 and FORT B5 T/L | 32.65 | 829 | 7.50 | 191 | 15.55 | 395 | 98.75 | 2508 | 648 | 864 | 40 | 2.75 | 5.00 | 127 |
| 3.50-19 | B5 | 27.05 | 687 | 3.80 | 97 | 12.95 | 329 | 81.44 | 2068 | 778 | 205 | 32 | 2.20 | 2.50 | 64 |
| 4.00-19 | B5 | 28.20 | 716 | 4.40 | 112 | 13.46 | 342 | 85.15 | 2163 | 744 | 254 | 32 | 2.20 | 2.50 | 64 |
| 4.50-19 | B5 | 28.90 | 734 | 4.70 | 119 | 13.75 | 349 | 87.00 | 2210 | 728 | 325 | 32 | 2.20 | 2.75 | 70 |
| 4.75/5.00-19 | B5 | 29.60 | 752 | 5.05 | 128 | 14.10 | 358 | 89.20 | 2260 | 710 | 405 | 32 | 2.20 | 2.75 | 70 |
| 5.25/5.50/6.00-19 | B5 | 31.15 | 791 | 5.95 | 151 | 14.08 | 376 | 93.60 | 2377 | 674 | 505 | 32 | 2.20 | 3.25 | 83 |
| 6.50/7.00-19 | FORT B5 and FORT B5 T/L | 33.25 | 845 | 7.15 | 182 | 15.75 | 400 | 100.25 | 2546 | 640 | 864 | 40 | 2.75 | 4.00 | 102 |
| 4.50/4.75/5.00-20 | B5 | 30.45 | 773 | 5.10 | 130 | 14.60 | 371 | 93.00 | 2362 | 700 | 420 | 32 | 2.20 | 2.75 | 70 |
| 5.25/5.50/6.00-20 | F4 | 32.15 | 817 | 5.85 | 149 | 15.35 | 390 | 97.80 | 2484 | 657 | 660 | 40 | 2.75 | 3.25 | 83 |
| 6.50/7.00-20 | HIGHWAY | 34.35 | 873 | 7.10 | 180 | 16.40 | 417 | 104.30 | 2649 | 615 | 864 | 40 | 2.75 | 4.00 | 102 |
| 4.50/4.75-21 | F4 | 31.50 | 789 | 4.80 | 122 | 14.85 | 377 | 94.50 | 2400 | 679 | 432 | 36 | 2.50 | 2.75 | 70 |
| 5.00/5.25-21 | F4 | 32.70 | 831 | 5.35 | 136 | 15.65 | 398 | 99.70 | 2532 | 644 | 508 | 36 | 2.50 | 3.25 | 83 |
| 6.00-21 | F4 | 33.60 | 853 | 5.85 | 149 | 15.95 | 405 | 103.10 | 2619 | 633 | 660 | 40 | 2.75 | 4.50 | 114 |
| 7.00-21 | F4 | 35.50 | 982 | 7.00 | 178 | 16.85 | 428 | 107.45 | 2729 | 599 | 864 | 40 | 2.75 | 5.00 | 127 |
CORRECT TYRE SELECTION, FITMENT AND MAINTENANCE IS ESSENTIAL FOR SAFETY.
The policy of Dunlop Tyres Ltd. is one of continuing development. Consequently we reserve the right to change or amend specifications without prior notice. For further information please contact Dunlop Motorsport: motorsport@dunloptyres.com


