More Torque, More Power
Pick the gear reduction that fits your style—15% for more torque without losing top speed or 30% for max power. A 30% reduction gives you the muscle to tow heavy loads, crawl over obstacles and through mud with ease, and turn bigger tires. Stick with 15% if you want a solid balance of speed and punchy torque.
Protect Your Drivetrain
More power shouldn’t mean more problems. That’s why GDP Portals place the gear reduction in the hub, which your Rancher’s axles, differential, and transmission from excess wear. And since the suspension maintains factory geometry, your axles run cooler and last longer.
Built to Handle Anything
Tough trails demand tough parts. Our cast and 6061 billet aluminum housings are made to take a beating. Plus, they’re backed by advanced steel alloy plates that won’t let you down.
•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
4” Portal Gear Lift Includes:
•(4) Assembled portal hub boxes complete with 9310 gears, seals, output shaft, gaskets, and thrust bearings
•(4) Universal hubs and precision-ground stainless steel slotted rotors with lugs
•(4) Specialized steel alloy backing plates
•(2) Steel caliper mounting plates
•(2) Caliper mounting plate shims
•Extended brake lines
•All required hardware, including recessed castle nut socket
Honda Rancher Max Tire Size Recommendations,/b>
Tire Size Required Suspension Setup with 4" Portals
26" 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.
Patent # 11,299,042
Patent # 11,318,787
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 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
Honda Rancher 420 : 2014+
NOTE: Only compatible on machines with IRS (Independent Rear Suspension)
Wheel Requirements
•14” or larger wheel required
•Cannot exceed 5” backspacing
•Not compatible with dual beadlock wheels
•1” wheel spacers required on stock wheels
