NEW, INDEPENDENT REAR SUSPENSION FOR EXCELLENT TERRAINABILITY AND ALL-DAY COMFORT. GRIZZLY 400 AUTOMATIC 4X4 HAS MANY OF THE SAME GREAT FEATURES AS BIG BROTHER GRIZZLY 450, INCLUDING FOUR-WHEEL INDEPENDENT SUSPENSION, IN A LIGHTER PACKAGE POWERED BY A FUEL-EFFICIENT LIQUID-COOLED ENGINE. FULLY AUTOMATIC ULTRAMATIC(R) TRANSMISSION IS THE MOST ADVANCED DRIVE SYSTEM IN ATVING. AN AUTOMATIC CENTRIFUGAL CLUTCH MAINTAINS CONSTANT BELT TENSION FOR REDUCED BELT WEAR AND FRONT/REAR-WHEEL DOWNHILL ENGINE BRAKING.