AMP MUD TERRAIN ATTACK MT A 37X13.50R26LT Tires35X13. 50R26LT AMP MUD TERRAIN ATTACK MT A MUD TERRAIN 37135026 TIRES Brand: AMP Model: Mud Terrain Attack MT A Size: 37x13. 50R26LT Part#: 37 135026AMP CM2F Aspect Ratio: 13. 5 Inflated Diameter: 34. 61 Inflated Width: 13. 58 Load Index: 117 Load Rating: F Load Range: 2835 LBS Max Load Max Psi: 80 Ply: 12 Section Width: 37 Service Description: 117Q Sidewall: Black Speed Rating: Q Tire Rim Diameter: 26 Tire Type: Mud Terrain Tread Depth: 19. 53