- Suitable for long distance transport of all wheels.
- Excellent in traction and holding performance
- Tread design provide excellent hig-speed performance and great traction
- High lateral skid prevention capability, good handling stability
- High comfortably on travel, low noise emission, low fuel consumption
- Good handling and high haulage in dry and wet condition
What is an OTR tire?
The letters "OTR" stands for "OFF THE ROAD". The OTR tires are specially designed for equipment and vehicles used in mining, quarrying, construction, industrial and port handling, etc. Hence, the tires shall be well adapted to deliver good traction on uneven, muddy, or icy road surfaces, to bear a heavy load, and to provide good resistance to wear and heat building.
Types of OTR tires
OTR tires can be divided into different ways:
By tire construction type, they can be divided into Radial OTR tires and Bias OTR tires;
By the difference in rim diameter, they can be divided into the Small and Medium Sizes (35'' and smaller) and Giant Sizes (35'' and bigger)
By applications, they can be divided into Material Handling and Earthmoving;
Guideline on how to use tyres
1. Tyre and Rim
(1) Check carefully before tyre mounting to see if the rim sizes are identical to those marked on sidewalls.
(2) The tyre should be fitted as much as possible to standard rims or allowable rim range.
(3) The tyre should not be fitted to deformed rims or non-conformity rims.
WARNING: Deformed rims or non-conformity rims will result in premature tyre toe failure or blow out to hurt People.
2. In ated Pressure
(1) Rules should be followed to inflate the tyre (Figure1)
(2) It is not appropriate to inflate the tyre over pressure and then release the air to standard pressure.
(3) Check the tyre pressure regularly and replenish when the air pressure is not found Sufficient.
WARNING: Tyre under-pressure will cause decreased loading capacity, easy cord breaking and dangerous blow out,Tyre overpressure will
cause cord strength loss and dangerous blow out.
3. Load
(1) Select the tyre of corresponding ply rating and load based on the vehicles, standard loading capacity.
(2) The tyre of low ply rating can not bear high load. The tyre load can not be increased by the increase of inflated pressure.
(3) The load should be distributed evenly on the vehicle. (Figure2)
WARNING: Overload will cause a serious injury to the tyre or the people. The vehicle with the load unevenly distributed will cause some of tyres serious overload, which is one of the factors causing accidents.
4. Speed
The tyre should match the vehicle in operating speed and operate in the range of specified speed for vehicle.
WARNING: Over speed will cause quicker tread wear, rapid heat build up, tyre strength deterioration, separations and even tyre blow out.
5. Pre-ride of Tyres
When new tyres have been mounted, the pre-ride should be taken below 50km/h for 200km for normal tyres .Through the pre-ride new tyres will adapt to deformation, remove the stress caused during
manufacturing, decrease heat build up and extend tyre performance life.
6. Others
(1) Quick start up, urgent braking, sharp turning, striking by sharp
obstacles, contacts with corrosives and oil contaminants, operation in high temperature, etc. will cause premature tyre failures.- Tyres should be well maintained and regularly shifted (Figure 3).
- The sharp obstacles punctured into tyres or the stones clogged in tread channels should be removed immediately.
(3) When the tyre tread has worn out to the extent specified, stop using it.
(4) If there is any problem regarding tyre quality, please do not hesitate to contact the tyre dealers or us to enable solving the problems
immediately.Size Ply rating Load capacity
(kg)Inflation pressure Section width
(mm)Overall diameter
(mm)Tread depth
(mm)Type 18X7-8NHS 16 1640 1000 173 465 18 TT 5.00-8NHS 10 1150 1000 137 470 15 TT 6.00-9NHS 10 1505 860 160 540 15 TT 6.50-10NHS 10 1655 790 175 590 16 TT 7.00-12NHS 12 2375 860 190 676 21 TT 28X9-15NHS(8.15-15) 14 3050 970 220 710 18 TT 8.25-15NHS 14 3775 830 235 840 23 TT 250-15NHS 18 4110 1030 250 735 23.5 TT 300-15NHS 18 5530 830 300 840 23.5 TT 7.50-16NHS 12 3195 790 215 805 22 TT 9.00-20NHS 16 5595 860 259 1018 25 TT 4.00-12 6 240 360 110 535 10 TT 4.00-14 4 270 340 110 590 10 TT 4.00-14 6 350 400 110 590 10 TT 4.00-16 6 800 400 110 640 10 TT 4.50-14 8 1000 450 120 602 10 TT 4.50-16 6 615 360 122 655 10 TT 4.50-16 8 1000 450 122 655 10 TT 5.00-14 8 500 450 130 620 12 TT 5.00-15 8 675 450 140 665 10 TT 6.00-16 6 495 250 165 745 13 TT 6.50-20 8 865 420 180 860 16 TT
Construction and Structure of OTR tires
Characteristics of special tires
1. Longer service life, can provide greater endurance under heavy load environment.
2. More stable, the application of new skeleton materials improves the anti-impact blasting performance of tires, and the safety is higher.
3. Optimized tread formula design, puncture resistance, high tear resistance;
4. Better adhesion and traction under harsh conditions
5. Composite tread design reduces tire heat generation and improves heat dissipation;
6. All block pattern design, good driving and braking performance.
7. Super traction performance: The tire has good drainage and mud discharge functions, which can improve greater traction in muddy conditions.
8. Deepen pattern design, better wear resistance.
9. The mine pattern is designed with a special formula, which has lower heat generation, and the tread is anti-cut, tear-resistant and super wear-resistant.
10. Strong adhesion and traction: The wide and strong tread pattern realizes the perfect fit of adhesion, traction and damage prevention.
Good traction and stability, comfortable load.
11. Extraordinary anti-skid performanc
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