AMP Terrain Attack M/T 37x13.50R22LT37X13. 5R022 AMP MUD TERRAIN ATTACK MT A MUD TERRAIN 37135022 TIRES Brand: AMP Model: Mud Terrain Attack MT A Size: 37x13. 50R22LT Part#: 37 135022AMP CM2 Aspect Ratio: 13. 5 Inflated Diameter: 37 Inflated Width: 14 Load Index: 123 Load Rating: E Load Range: 3415 LBS Max Load Max Psi: 65 Ply: 10 Revs Per Mile: 733 Section Width: 37 Service Description: 123Q Sidewall: Black Speed Rating: Q Tire Rim Diameter: 22 Tire Type: Mud Terrain Tread Depth: 19