Search Results - ATV The Polaris Mrzr-d4 All-terrain Demon Makes It To The Us MiltarySay hello to the Polaris MRZR-D4 4x4 All-Ter... Polaris Video: This Crazy Russian Monstrosity Can Really Go Wherever The Hell It Wants!The Sherp ATV is the brain child of Alexei G... Sherp 1