Can-Am Defender HD11 6" Portal Gear Lift

Description Enhance Your Defender HD11 with GDP Portals Looking to get more out of your Can-Am Defender HD11? SuperATV’s 6” Portal Gear Lift gives you 6” of lift and built-in gear reduction for extra torque, better clearance, and the ability to run bigger tires without stressing your ride. You can pick 30% or 45% gear reduction depending on how you like to ride, and if you want it really tough, go with the billet aluminum housing over cast housing. Tackle Tough Trails Choosing the right gear reduction is the most important thing when getting portals. A 30% gear reduction gives you faster speeds and solid torque, while a 45% reduction is perfect for bigger tires and tough trails, giving you the extra power and control to dominate any terrain. No Stress on Your Drivetrain GDP Portals shift gear reduction to the wheel hubs, taking the pressure off your Defender HD11’s drivetrain. Less strain on your axles, driveshaft, differential, and transmission means less wear and fewer expensive repairs down the road. Strength that Can’t Be Beat Our GDP Portals are built to take a beating. You can choose from cast or billet aluminum housing with rugged 5/16” steel alloy backing plates. Ready for abuse and backed by a lifetime warranty, they’re engineered to last. Our housings are reinforced for gear retention and optimized for oil flow Advanced steel alloy backing plates are stronger than chromoly Enhance with Portal Blood—gear oil formulated for GDP Portals There are no gimmicks and no vents because vents do more harm than good—we know because we tested them Advanced Gaskets, Seals, and Bearings Our portals use: Advanced gaskets and O-rings with excellent oil resistance and low deterioration rates A sealed input gear and double-lipped output seal 100% sealing coverage throughout so you can forget about oil leaks Double-angular contact output bearings to prevent premature wear Roller idler and drive bearings to maintain perfect gear meshing Top-Tier Customer Service Not sure which portals are right for your ride? Don’t worry—we’ve got the best customer service in the business ready to help. Call us, and we’ll get you dialed in. 6” Portal Gear Lift Includes: (4) Assembled portal hub boxes complete with 9310 gears, seals, output shaft, Thermo-Tork® gaskets, and thrust bearings (4) Universal hubs and stainless steel slotted rotors with lugs (4) Specialized steel alloy backing plates (4) Steel caliper mounting plates (6) Brake caliper mounts (12) Bushings (6) Steel sleeves (16) Shims Frame Stiffener Extended brake lines with parking brake and brake cable brackets All required hardware, including recessed castle nut socket Max Tire Size Recommendations for 6” Portal Gear Lift Max Tire Size Required Suspension Setup with 6" Portals 34" Stock If you need help figuring out which gear reduction is right for you, check out our portal gear reduction calculator . Max tire sizes are measured at full compression and full turn. The given tires sizes are the largest we fit without rubbing. With minor trimming or a small amount of rub, larger tire sizes can be used. Features Available with billet or cast aluminum housing Cool, quiet, precision ground gears made from 9310 alloy billet steel 1.5 in. diameter 4340 hardened steel drive shaft Housings use advanced gaskets or O-rings that don’t let anything through Universal hub fits all major bolt patterns Gear reduction reduces stress on your drivetrain Lighter than the competition Fitment Can-Am Defender HD 11 Limited : 2026+ Can-Am Defender HD 11 XMR w/Half Doors : 2026+ Can-Am Defender HD 11 XT : 2026+ Can-Am Defender HD 11 XT Cab : 2026+ Can-Am Defender MAX HD 11 XT Cab : 2026+ Can-Am Defender MAX HD 11 XT : 2026+ Can-Am Defender MAX HD 11 Limited : 2026+ Can-Am Defender MAX HD 11 Lone Star : 2026+ Can-Am Defender MAX HD 11 Lone Star Cab : 2026+ Can-Am Defender MAX HD 11 XMR w/Half Doors : 2026+ Wheel Requirements: 18” or larger wheel required 18" wheels cannot exceed 4-1/2” backspacing 20” and larger wheels cannot exceed 5” backspacing Wheels need to have a center hole of at least 3.25" (82.55mm) or require a 1” wheel spacer