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The M140Z TOYO TIRES' highway rib truck & bus radial has been developed to emphasize its improved wear performance and retreadability in a wide variety of operating conditions ranging from short and middle to long highway hauls.
New casing construction, profile, functional straight rib tread appearance and compound designed under DSOC II, TOYO TIRES' own advanced tire design technology, result in M140Z's excellent performance over the competitions.

| RIM DIA. | TIRE SIZE | LOAD INDEX/ SPEED SYMBOL | PLY RATING | TYPE | SIDE WALL | TREAD DEPTH (mm) |
INFLATED DIMENSION |
LOADED DIMENSION |
MEASURING RIM (Inch) |
ALTERNATE RIM (Inch) |
|||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OVERALL DIA. (mm) |
OVERALL WIDTH (mm) |
STATIC RADIUS (mm) |
STATIC WIDTH (mm) |
||||||||||
| 20 | 1000 R20 | 144/142K | - | TL | BL | 14.5 | 1051 | 277 | 489 | 306 | 7.5 | 7.00 - 8.00 | |
| 20 | 1000 R20 | 146/143K | - | TL | BL | 14.5 | 1051 | 277 | 489 | 306 | 7.5 | 7.00 - 8.00 | |
| 20 | 1100 R20 | 150/146K | - | TL | BL | 13.9 | 1082 | 292 | 503 | 322 | 8.0 | 7.50 - 8.50 | |
| 20 | 825 R20 | 133/131K | - | TL | BL | 12.5 | 971 | 234 | 452 | 258 | 6.5 | 6.00 - 7.00 | |
| 20 | 900 R20 | 140/137K | - | TL | BL | 13.0 | 1011 | 255 | 470 | 282 | 7.0 | 6.50 - 7.50 | |
| 22.5 | 275/70 R22.5 | 148/145M | - | TL | BL | 13.6 | 962 | 275 | 447 | 294 | 8.25 | 7.50 - 8.25 | |
All Products of Toyo Tires are subject to continuous development. Toyo Tires reserves the right to change construction, materials or specifications without notice or obligation.