Walstone Industry Limited
WALSTONE INDUSTRY LIMITED More Professional, Better Tires
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Highway truck tire of 12R22.5, the trailer axle tire with high fuel efficiency
Application
When it comes to the operation of long vehicle, the trailers usually are pulled to the factory or warehouse to wait for the unloading and loading, while tractors pick up other loaded trailers to leave. Most trailers are not permanently matched with specific tractors, and the trailer axle tire is the last one and farthest away from the drivers, it always gets the less attention and are neglected in the terms of maintain. So the majority of the tires failures on the road were the position of trailer.
In the eyes of some drivers, the tractors are major tools creating the value, but the trailers are just the implement to bear the weight of load. The decades’ experiences of the business of tire service have taught WALSTONE that the trailer tires play an important role in the fuel efficiency.
According to the years’ survey show that the trailer contributing about 40% of the tire’ contribution to a truck’s overall miles-per-gallon. This size of 12R22.5 truck bus radial tire is designed as the trailer tire of long vehicles running with high speed on the highway and other good roads. It's optimized crown, sturdy casing, enforced shoulder, has character of well performance in wear resistance, low rolling resistance and been retreadable
Specification
| Size | Ply |
Load Index |
Speed index |
Standard Rim |
Max load(Kg) |
New tire inflated Dimensions(mm) |
Tube |
Operation Norm |
||
| Single | Dual |
Section Width |
Overall Diameter |
|||||||
| 11R22.5 | 16 | 146/143 | M | 8.25 | 3000 | 2725 | 279 | 1054 | TL | TRA |
| 11R22.5 | 16 | 148/145 | M | 8.25 | 3150 | 2900 | 279 | 1054 | TL | ETRTO |
| 12R22.5 | 16 | 152/148 | L | 9.00 | 3550 | 3150 | 300 | 1085 | TL | ETRTO |
| 12R22.5 | 18 | 152/149 | L | 9.00 | 3550 | 3250 | 300 | 1085 | TL | GB |
| 295/80R22.5 | 16 | 152/148 | M | 9.00 | 3550 | 3150 | 298 | 1044 | TL | ETRTO |
| 295/80R22.5 | 18 | 152/149 | M | 9.00 | 3550 | 3250 | 298 | 1044 | TL | GB |
| 315/80R22.5 | 18 | 154/150 | M | 9.00 | 3750 | 3450 | 312 | 1082 | TL | ETRTO |
| 315/80R22.5 | 20 | 156/150 | L | 9.00 | 4000 | 3450 | 312 | 1082 | TL | ETRTO |
Speed index
|
Speed Index |
B | C | D | E | F | G | J | K | L | M | N | P | Q | R |
| Km/h | 50 | 60 | 65 | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 | 160 | 170 |
Description
The newly compound of high wear resistance of formula been applied improves the wear resistance, increasing the wear mileage more than 20%.
Ultra sturdy tire casing promotes the index of safety, increase the possibility that to be retreadable after the tread worn away.
This truck bus radial tire of 12R22.5 is suitable as the trailer tires, is also for the steer axle of trucks on the highway and good roads.
4 straight grooves with S type variable angle under the bottom of the grooves provide well performance of wear resistance and self cleaning of this highway trucks tire of 12R22.5.
Optimized the geometer of the tread in the middle of crown and outer shoulder, provide more balance distributing pressure on the tread cap, reducing the irregular wear.
