Hardest Working FeaturesVersatile 1-Up and 2-Up configurationEasily switches from 1-up work and trail mode to 2-up trail mode in less than 10 seconds.VersaTrac Turf Mode Locking & Unlocking Rear DifferentialFor a tighter turn radius and to protect turf and other sensitive terrain choose to unlock the rear differential. For true two-wheel drive simply flip the switch to lock the rear differential.