AMP Terrain Attack A/T A 35x12.50R2035X12. 50R20 AMP TERRAIN ATTACK AT A ALL TERRAIN 35125020 TIRES Brand: AMP Model: Terrain Attack AT A Size: 35x12. 50R20 Part#: 35 125020AMP CA3 Aspect Ratio: 12. 5 Inflated Diameter: 35 Inflated Width: 12. 5 Load Index: 121 Load Rating: E Load Range: 3195 LBS Max Load Max Psi: 80 Ply: 10 Section Width: 35 Service Description: 121R Sidewall: Black Speed Rating: R Tire Rim Diameter: 20 Tire Type: All Terrain Tire Type2: Hybrid AT MT Tread Depth: 15. 5