Ranger 900 6 Inch Portal Gear Lift 45% Dual Idler (Old Body Style)
The Ranger 900 6 Inch Portal Gear Lift 45% is engineered for 2-seat Polaris Ranger XP 900 models (old body style) running 40” tires or larger. This heavy-duty dual idler portal system delivers increased ground clearance, stronger torque multiplication, and improved drivetrain protection for mud, trails, and work applications.
With a 45% gear reduction, the Ranger 900 6 Inch Portal Gear Lift 45% restores low-end power lost from oversized tire upgrades while reducing strain on belts, axles, differentials, and driveshafts. Instead of sacrificing reliability, you gain controlled torque delivery and enhanced engine braking for better performance in demanding terrain.
Why Choose the 45% Dual Idler Version?
The dual idler gear design spreads load across twice the gear teeth compared to single-idler portals. This doubles the contact surface area and reduces internal stress by half, providing more reliable torque transfer under heavy load.
- 45% Gear Reduction: Ideal for 40”+ tire setups.
- Dual Idler Gears: Reduced internal stress and improved durability.
- Improved Engine Braking: Extends brake life and improves downhill control.
- Massive Torque Multiplication: Compensates for oversized tire installations.
Forged Gear Box Strength
The Ranger 900 6 Inch Portal Gear Lift 45% features forged aluminum gear boxes — stronger than cast or billet aluminum alternatives. Forging produces a denser, tougher metal structure for superior impact resistance in harsh off-road environments.
- Triple input shaft seal including protective wiper seal
- Dual spindle oil seals for increased sealing area
- High-density Kevlar fiber gaskets (oil and coolant resistant)
- Optional gear box venting provision for cooling
- 5/16” steel backing plates with welded gussets
Precision Gearing & Braking Performance
Each Ranger 900 6 Inch Portal Gear Lift 45% includes 13” precision-ground stainless steel rotors. The slotted rotor design improves heat dissipation, while access holes simplify installation and service. Heat-treated alloy steel gears are CNC precision ground and lapped for smoother, quieter operation and long-term durability.
Vehicle Compatibility
This Ranger 900 6 Inch Portal Gear Lift 45% fits 2013–2019 Polaris Ranger XP 900 (old body style) 2-seat models, including EPS and High Lifter Edition variants. Designed to maintain factory hub offset and work with control arms built to OEM specifications.
Built for Serious Utility & Trail Riders
If you’re upgrading your Ranger XP 900 with oversized tires and pushing it into deep mud or rough terrain, the Ranger 900 6 Inch Portal Gear Lift 45% provides the torque advantage and durability required for professional-grade performance.
Cross-reference part/SKU numbers: PGL-645DI-RNG9, 73-14513


















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