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AMP
AMP Terrain Pro A/T LT275/65R20
AMP Terrain Pro A/T LT275/65R20
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Shop the AMP Terrain Pro A/T 275/65R20 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 275/65R20 means
In the size 275/65R20, 275 is the section width in millimeters (10.83 in), 65 is the aspect ratio — the sidewall stands 65% as tall as the tire is wide, or 178.8 mm (7.04 in) — R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 34.07 inches, turning roughly 592 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.
The service description on this tire decodes to a load index of 126 — a maximum load of 3,748 lbs per tire, or 123 (3,417 lbs) per tire when mounted as duals. The speed symbol S corresponds to a maximum sustained speed of 112 mph.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | LT275/65R20 |
| Tire Type | All Terrain |
| Service Description | 126/123S |
| Load Index | 126/123 |
| Speed Rating | S |
| Load Range | E |
| Section Width (mm) | 275 |
| Aspect Ratio | 65 |
| Overall Diameter (in) | 34.09 |
| Tread Depth (/32") | 15.1 |
| Traction Grade | A |
| Warranty | 60K |
Frequently asked questions
What warranty does the AMP Terrain Pro A/T carry?
The manufacturer's warranty on this tire is 60K.
What does 126/123S mean on the AMP Terrain Pro A/T?
126/123S breaks down as load index 126 — rated for 3,748 lbs per tire (123, or 3,417 lbs, in dual fitment) — with an S speed rating, good for a maximum sustained 112 mph.
What kind of tire is the AMP Terrain Pro A/T?
The AMP Terrain Pro A/T in 275/65R20 is a all terrain tire.
Keep shopping
Shop all 275/65R20 tires, see every AMP Terrain Pro A/T size, explore all terrain tires, or view all tires at ThreePiece.us.
- BRAND:
- AMP
- Model:
- Terrain Pro A/T
- Size:
- LT275/65R20
- Aspect Ratio:
- 65
- Load Index:
- 126/123
- Load Range:
- E
- Section Width:
- 275
- Service Description:
- 126/123S
- Speed Index:
- S
- Inflation Pressure:
- 80 PSI
- Tire Rim Diameter:
- 34.09
- Tire Type:
- All Terrain
- Traction:
- A
- Tread Wear:
- N/A
- Tread Depth:
- 15.1
- Tread Construction:
- 2P+2S+1N
- Warranty:
- 60K
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