NittoRidge Grappler37 X11.50R18 LT 127Q D1 BSW

Upgrade to the Nitto Ridge Grappler 37X11.50R18 LT 127Q D1 BSW, a hybrid terrain tire built for drivers who want aggressive off-road looks, capable dirt and gravel traction, and a quieter ride than many traditional mud-terrain tires. This 37X11.50R18 Ridge Grappler is a popular 37-inch flotation fitment for select Ram 3500, Ford F-250 Super Duty, Ram 2500, Chevrolet Silverado 2500HD, GMC Sierra 2500HD, Ford F-350 Super Duty models, plus similar trucks and SUVs using 18-inch wheels.

Why choose the Nitto Ridge Grappler in 37X11.50R18?

• Built for lifted heavy-duty trucks, full-size off-road builds, and high-clearance custom rigs: The 127Q D1 rating gives this size light-truck strength for off-road use while keeping daily drivability in focus.

• Hybrid terrain performance: The Ridge Grappler blends all-terrain road manners with mud-terrain-inspired bite for drivers who split time between pavement, job sites, trails, gravel roads, and weekend adventure.

• Quiet, comfortable road manners: Nitto's hybrid tread design is engineered to reduce pattern noise while still giving the tire an aggressive stance on trucks, Jeeps, and SUVs.

• Confident off-road traction: Alternating shoulder grooves, staggered shoulder lugs, and deep sidewall lugs help the tire grab loose terrain and add durability-minded sidewall presence.

• Rugged truck styling: The Ridge Grappler gives daily-driven pickups and lifted builds a bold look without giving up the on-road usability many drivers need during the week.

Popular vehicle fitments for 37X11.50R18 Nitto Ridge Grappler

This tire size is commonly used on select trims or modified fitments of the Ram 3500, Ford F-250 Super Duty, Ram 2500, Chevrolet Silverado 2500HD, GMC Sierra 2500HD, and Ford F-350 Super Duty. It is also a strong option for similar pickups, Jeeps, SUVs, and lifted builds that use the same tire size, load rating, speed rating, and wheel diameter.

Size and rating details

• 37X11.50R18: This size is designed for 18-inch wheels and helps shoppers match an original, plus-size, or lifted truck fitment.

• 127Q D1: The service description and load range identify the tire's load capability and intended truck or SUV use.

• BSW: This version uses black sidewall styling for the finished look on the vehicle.