2011 Polaris Ranger RZR ATV Service Manual, Page 291Get this manual
FINAL DRIVE REAR GEARCASE (RZR INT'L)
General Operation
The RZR INT'L rear gearcase has three traction operational modes: AWD, Differential Lock, and Differential UnlockLocking the rear differential is beneficial in low traction and rough terrain conditionsUnlocking the rear differential makes maneuvering easier and minimizes damage to turf and sensitive terrainsShift Yoke Clutch Gear
DifferentialUnlock AWD When "Differential-Lock" is selected on the switch, power is removed from the electrical solenoid allowing the solenoid plunger to retractSpring tension moves the shift yoke back into place and engages the clutch gear into the engagement dogs that are attached to the differential gear assembly, locking the rear differential as solid rear axleWhen switch position is set to "Lock", power is removed from the solenoid and spring tension retracts the plunger to engage the clutch gear and lock the differential