The 2022 Lynx BoonDocker DS 4100 is a specialized deep-snow mountain snowmobile produced by the Finnish brand Lynx (a subsidiary of BRP). Designed for extreme, rugged backcountry riding, this model is built for deep powder and steep terrain. It features a 165-inch track length, a 3-inch lug height, and a Rotax 850 E-TEC engine.