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. Choose 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.
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 extra power and control.
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.
Built to take a beating, these portals are available with cast or billet aluminum housing and rugged 5/16" steel alloy backing plates. They’re engineered to last and backed by a lifetime warranty.
- Reinforced housings for gear retention and optimized oil flow
- Advanced steel alloy backing plates
- Compatible with Portal Blood gear oil formulated for GDP Portals
- No vents, because vents do more harm than good
Advanced sealing and bearing components help keep things running smoothly:
- Advanced gaskets and O-rings with excellent oil resistance and low deterioration rates
- Sealed input gear and double-lipped output seal
- 100% sealing coverage throughout to help prevent oil leaks
- Double-angular contact output bearings to prevent premature wear
- Roller idler and drive bearings to maintain proper gear meshing
Portals and oversized tires add serious strain to your machine’s frame, so SuperATV recommends adding a Frame Stiffener when installing these portals.
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
- 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:
- 34" max tire size with stock suspension
- Max tire sizes are measured at full compression and full turn
- The listed sizes are the largest tires that fit without rubbing; larger tires may fit with minor trimming or some rub
If you need help figuring out which gear reduction is right for you, check out the portal gear reduction calculator.
- 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
- 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" (82.55 mm) or require a 1" wheel spacer
Patent # 11,299,042Patent # 11,318,787