The Nitto Trail Grappler M/T is a mud terrain, all season tire manufactured for light trucks. The tire promotes excellent all-weather traction. The tread pattern maintains road contact at all times, while its self-cleaning nature keeps the tire footprint clean of snow and mud. The longer lasting clean footprint increases the road gripping ability in dry, wet and winter weather. The Trail Grappler M/T features a double sidewall design. One side of the tire features traditional lettering, while the other has stylized lettering and the driver can choose which style they wish to have on their vehicles. The reinforced shoulder tread design increases the tread block stiffness and promotes great performance on and off-road. Nitto Trail Grappler MT 40X13.5R17 121P Tire: – Dual Sidewall Designs – Each Grappler has two sidewall designs so you can choose how your tires look. On the Trail Grappler one side has stylized lettering with V-shaped buttresses and the other has traditional lettering with flat buttresses. This feature was an engineering feat since even a small weight imbalance can cause unwanted vibrations. Nitto produces exceptionally uniform off-road tires even with different designs. – Tread Block Arrangement – A common complaint with mud terrain tires is their noise level. Nitto’s engineers set out to design an aggressive — and yet quiet — off-road tire. Using 3D computer simulation, Nitto’s engineers were able to systematically adjust the size, shape and position of the tread blocks. As a result, Nitto produced an off-road tire that is 34% quieter at street speeds and 36% quieter at highway speeds (Compared to Nitto Mud Grappler) – Duability – The 3-ply sidewall with a high turn-up construction acts as an extra layer of reinforcement to increase puncture resistance. – On-Road Comfort – Nitto’s proprietary, automated manufacturing system produces extraordinarily uniform tires. This creates a smooth ride on paved roads. – Shoulder Groove – Reinforced shoulder grooves adds additional off-road and all-season performance without compromising tread block stiffness. – Central Siping – Deep center sipes decrease hydroplaning and increases traction in wet conditions. – Mud Evacuation – The balanced void ratio efficiently removes mud and dirt from the tread to provide continuous off-road traction. Specifications Features Wheel Not Included Tire Size 40X13.5R17 Vehicle Type Light Truck/SUV Tire Width 13.5 in Wheel Diameter 17 Tire Season All-Season Tire Speed Rating P Tire Type Light Truck & SUV Tires Tire Load Index 121 Tread Depth 21/32 Brand Nitto Assembled Product Weight 69 lb Model Trail Grappler M/T Manufacturer Part Number 205-980 Manufacturer Nitto Assembled Product Dimensions (L x W x H) 40.00 x 40.00 x 13.50 Inches 
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