RADIAL OFF THE ROAD TIRE LIMITED WARRANTY

ELIGIBLE PARTY OF THIS LIMITED WARRANTY

  • This limited warranty covers all radial OTR tires presented & provided by OTR Tire Thai

  • The original purchaser or authorized agent of the original purchaser of new OTR Tire Thai brand radial off the road tires bearing complete serial numbers are eligible for the benefits of this limited warranty.

WARRANTY PERIOD

The limited warranty is in effect for 4 years commencing on the date of issue on Bill of Lading(B/L), or the date of manufacture indicated on the serial number.

COVERAGE

Under the circumstances that an Ortec radial OTR tire becomes unserviceable due to manufacturing defects, such tire will be covered by this limited warranty. OTR Tire Thai , at its option, will:

  • repair or replace it with a comparable new OTR radial tire;

  • discount on a pro rata basis, or issue an appropriate credit in favor of the eligible party.

The customer charge for replacement will be calculated by [Adjustment Benchmark Price (exclusive of taxes)] × [adjustment percentage determined in the following chart]. In the event OTR Tire Thai issues a credit, the credit will reflect the discount that would have been included in the foregoing charge.

Percentage of Remaining Tread Depth(RTD%)

 

91% to 100%

81% to 90%

71% to 80%

61% to 70%

51% to 60%

41% to 50%

31% to 40%

21% to 30%

0 to 20%

Tire age

OTR Tire Thai’s Compensation

≤180 days

Based on percentage of remaining tread depth

181th day to 12 months

90%

80%

70%

60%

50%

40%

30%

20%

0%

24 months or less

80%

70%

60%

50%

40%

30%

20%

10%

0%

36 months or less

60%

50%

40%

30%

20%

15%

10%

5%

0%

More than 36 months

0%

0%

0%

0%

0%

0%

0%

0%

0%

MEASUREMENT AND CALCULATION OF REMAINING TREAD DEPTH

  • When measuring, a vernier caliper (or professional caliper) shall be used and the measurement point shall be kept away from the wearing mark. And the vernier caliper (or professional caliper) must be vertical to the bottom of the groove. The point of measurement should be at one groove along the crown centerline or the main groove closest to the tread centerline. Please keep away from ribs and wearing marks when measuring.

  • Calculation of the remaining tread depth: Measure the depth of four quartering positions around the tire, and the average value of the four positions is regarded as the remaining tread depth.

CASES NOT COVERED BY THIS LIMITED WARRANTY

  • Tires repaired, retreaded or sold as scrap tires

  • Date of issue of B/L is more than 48 months prior to presentation for adjustment. When B/L copies are not available or was not recorded, tires manufactured 48 months prior to presentation.

  • Tires removed from service more than six months prior to presentation to OTR Tire Thai.

  • Irregular wear or tire damage due to: accidents (including puncture, cuts, impact breaks), collision, fire; improper tire mounting, demounting or management including misalignment, wheel imbalance, inflation; misapplication or misuse; improper operations including overload operation, over-speed, abnormal vibration and brake; vehicle mechanical damage; Improper repair and storage.

  • Mounted with improper inner tube, resistance board and O-ring

  • The appearance of tires that are intentionally changed

  • Tires to which materials such as fillers, sealant, ballast or balancing substances intentionally added

  • Repairs or Retreads.

OTHER

  • After a claim is settled, the failure tire shall be in the possession of OTR Tire Thai and be retained, by its authorized agent or itself, for 3 months before being disposed of.

  • OTR Tire Thai does not bear any indirect loss, time loss, vehicle loss within the allowable scope of the law.

RADIAL OFF THE ROAD TIRE LIMITED WARRANTY

ELIGIBLE PARTY OF THIS LIMITED WARRANTY

  • This limited warranty covers all radial OTR tires presented & provided by OTR Tire Thai.

  • The original purchaser or authorized agent of the original purchaser of new OTR Tire Thai brand radial off the road tires bearing complete serial numbers are eligible for the benefits of this limited warranty.

WARRANTY PERIOD

The limited warranty is in effect for 4 years commencing on the date of issue on Bill of Lading(B/L), or the date of manufacture indicated on the serial number.

COVERAGE

Under the circumstances that an Ortec radial OTR tire becomes unserviceable due to manufacturing defects, such tire will be covered by this limited warranty. OTR Tire Thai , at its option, will:

  • repair or replace it with a comparable new OTR radial tire;

  • discount on a pro rata basis, or issue an appropriate credit in favor of the eligible party.

The customer charge for replacement will be calculated by [Adjustment Benchmark Price (exclusive of taxes)] × [adjustment percentage determined in the following chart]. In the event OTR Tire Thai issues a credit, the credit will reflect the discount that would have been included in the foregoing charge.

Percentage of Remaining Tread Depth(RTD%)

 

91% to 100%

81% to 90%

71% to 80%

61% to 70%

51% to 60%

41% to 50%

31% to 40%

21% to 30%

0 to 20%

Tire age

Ortec’s Compensation

≤180 days

Based on percentage of remaining tread depth

181th day to 12 months

90%

80%

70%

60%

50%

40%

30%

20%

0%

24 months or less

80%

70%

60%

50%

40%

30%

20%

10%

0%

36 months or less

60%

50%

40%

30%

20%

15%

10%

5%

0%

More than 36 months

0%

0%

0%

0%

0%

0%

0%

0%

0%

SEMI TRUCK & TBR TIRE WARRANTY POLICY

Warranty Policy for Truck & Bus Radial (TBR) Tires

General Rubber (Thailand) Co., Ltd. provides a comprehensive warranty program for all Truck & Bus Radial (TBR) tires, ensuring consistent quality, durability, and performance for commercial and long-haul applications.

Our warranty is designed to protect importers, distributors, and fleet operators by guaranteeing that every tire meets strict manufacturing and performance standards.


Warranty Coverage

All TBR tires are covered against manufacturing defects in materials and workmanship under normal usage conditions.

Coverage Includes:

  • Structural defects

  • Tread separation

  • Sidewall manufacturing faults

  • Workmanship-related failures


Warranty Period

The warranty is valid for:

  • Up to 5 years from the date of manufacture (DOT code)
    OR

  • Until the tire reaches minimum tread depth (end of usable life)

👉 Whichever comes first.


Pro-Rated Warranty Policy

If a defect is confirmed, compensation will be provided on a pro-rated basis, depending on the remaining tread depth.

Example:

  • 80% tread remaining → higher credit value

  • 30% tread remaining → lower credit value

This ensures fair value based on actual tire usage.


Claim Process

To file a warranty claim, customers must provide:

  • Clear photos of the defective tire

  • DOT number and serial details

  • Usage information (vehicle type, load, application)

  • Purchase invoice or container shipment reference

Our technical team will evaluate the claim and respond within 3–7 business days.


Exclusions (Important)

This warranty does NOT cover damage caused by:

  • Overloading or improper inflation

  • Road hazards (cuts, punctures, impact damage)

  • Improper installation or misalignment

  • Unauthorized repairs or modifications

  • Irregular wear due to poor maintenance


Quality Assurance Commitment

All TBR tires are manufactured under strict quality control systems and comply with international standards such as:

  • DOT (USA compliance)

  • ECE (European compliance)

  • ISO-certified production processes

Each tire undergoes multiple inspection stages before shipment to ensure consistent performance in demanding commercial environments.


Designed for Commercial Reliability

Our semi-truck tires are engineered for:

  • Long-haul transportation

  • Heavy load capacity

  • High mileage performance

  • Fuel efficiency optimization

This makes them ideal for fleet operators, logistics companies, and wholesale distributors across global markets.


Support for Global Buyers

We support our international clients with:

  • Fast warranty claim handling

  • Technical support and guidance

  • Long-term supply reliability


Contact for Warranty Claims

For warranty inquiries or claims:

👉 Contact our support team with complete documentation to ensure fast processing and resolution.

MEASUREMENT AND CALCULATION OF REMAINING TREAD DEPTH

  • When measuring, a vernier caliper (or professional caliper) shall be used and the measurement point shall be kept away from the wearing mark. And the vernier caliper (or professional caliper) must be vertical to the bottom of the groove. The point of measurement should be at one groove along the crown centerline or the main groove closest to the tread centerline. Please keep away from ribs and wearing marks when measuring.

  • Calculation of the remaining tread depth: Measure the depth of four quartering positions around the tire, and the average value of the four positions is regarded as the remaining tread depth.

 

Otr tire tire

CASES NOT COVERED BY THIS LIMITED WARRANTY

  • Tires repaired, retreaded or sold as scrap tires

  • Date of issue of B/L is more than 48 months prior to presentation for adjustment. When B/L copies are not available or was not recorded, tires manufactured 48 months prior to presentation.

  • Tires removed from service more than six months prior to presentation to OTR Tire Thai .

  • Irregular wear or tire damage due to: accidents (including puncture, cuts, impact breaks), collision, fire; improper tire mounting, demounting or management including misalignment, wheel imbalance, inflation; misapplication or misuse; improper operations including overload operation, over-speed, abnormal vibration and brake; vehicle mechanical damage; Improper repair and storage.

  • Mounted with improper inner tube, resistance board and O-ring

  • The appearance of tires that are intentionally changed

  • Tires to which materials such as fillers, sealant, ballast or balancing substances intentionally added

  • Repairs or Retreads.

OTHER

  • After a claim is settled, the failure tire shall be in the possession of OTR Tire Thai and be retained, by its authorized agent or itself, for 3 months before being disposed of.

  • OTR Tire Thai does not bear any indirect loss, time loss, vehicle loss within the allowable scope of the law.

 

BIAS OFF THE ROAD TIRE LIMITED WARRANTY

ELIGIBLE PARTY OF THIS LIMITED WARRANTY

  • This limited warranty covers all bias OTR tires presented & provided by OTRTireThai.

  • The original purchaser or authorized agent of the original purchaser of new OTRTireThai brand bias off the road tires bearing complete serial numbers are eligible for the benefits of this limited warranty.

WARRANTY PERIOD

The limited warranty is in effect for 3 years commencing on the date of issue on Bill of Lading(B/L), or the date of manufacture indicated on the serial number.

COVERAGE

Under the circumstances that a OTRTireThai bias OTR tire becomes unserviceable due to manufacturing defects, such tire will be covered by this limited warranty. OTRTireThai , at its option, will:

  • repair or replace it with a comparable new bias OTR tire

  • discount on a pro rata basis, or issue an appropriate credit in favor of the eligible party.

CALCULATION OF ADJUSTMENT

The customer charge for replacement will be calculated:

                                                                                (remaining tread depth)-(Original tread depth)

[Original purchasing price (exclusive of taxes)] × ——————————————————

                                                                                                   (Original tread depth)

  • In case of any failure tire is proved to bear manufacturing defects and the tire wearing is less than 2.00mm, OTRTireThai will give 100% adjustment as per the purchasing price.

  • Once the tread remaining depth is less than 2.00MM, the tyre is considered worn out and no adjustment will be given.

MEASUREMENT AND CALCULATION OF REMAINING TREAD DEPTH

  • When measuring, a vernier caliper (or professional caliper) shall be used and the measurement point shall be kept away from the wearing mark. And the vernier caliper (or professional caliper) must be vertical to the bottom of groove. The point of measurement should be at one groove along the crown centerline or the main groove closest to the tread centerline. Please keep away from ribs and wearing mark when measuring.

  • Calculation of the remaining tread depth: Measure the depth of four quartering positions around the tire, and the average value of the four positions is regarded as the remaining tread depth.

CASES NOT COVERED BY THIS LIMITED WARRANTY

  • Tires repaired, retreaded or sold as scrap tires

  • Date of issue of B/L is more than 48 months prior to presentation for adjustment. When B/L copies are not available or was not recorded, tires manufactured 48 months prior to presentation.

  • Tires removed from service more than six months prior to presentation to OTRTireThai .

  • Irregular wear or tire damage due to: accidents (including puncture, cuts, impact breaks), collision, fire; improper tire mounting, demounting or management including misalignment, wheel imbalance, inflation; misapplication or misuse; improper operations including overload operation, over-speed, abnormal vibration and brake; vehicle mechanical damage; Improper repair and storage.

  • Mounted with improper inner tube, resistance board and O-ring

  • Appearance of tires that are intentionally changed

  • Tires to which materials such as fillers, sealant, ballast or balancing substances intentionally added.

  • Repairs or Retreads.

OTHER

  • After a claim is settled, the failure tire shall be in the possession of OTRTireThai and be retained, by its authorized agent or itself, for 3 months before being disposed.

  •  OTRTireThai does not bear any indirect loss, time loss, vehicle loss within allowable scope of the law.