A differential assembly is a complete gear system that distributes engine torque between two driven wheels, allowing each wheel to rotate at a different speed during turns without binding or skipping.
The differential assembly houses several interdependent components — the differential carrier, ring gear, pinion gear, and spider gears — all working together as a single unit. On ATVs like the Honda TRX500 Foreman Rubicon or Polaris Ranger, the differential assembly sits at the front or rear axle and takes the full load of off-road terrain stress. When any internal component wears out, replacing the complete differential assembly as a unit — rather than sourcing individual gears separately — restores correct torque distribution and prevents cascading drivetrain damage.
- A complete differential assembly includes the carrier, ring gear, pinion gear, and spider gears as one unit.
- Weonefit differential assemblies are engineered for specific platforms, including Honda TRX500 Foreman Rubicon (2005–2014) and Polaris Ranger.
- Differential assembly weight is a fitment signal — the TRX500-spec unit weighs approximately 13.24 lbs.
- The differential assembly allows driven wheels to rotate at different speeds, which is essential for cornering without drivetrain bind.