Caterpillar for utilitarian snowmobiles Helps to maintain stability and controllability on a groomed track and snow-covered virgin snow, thanks to the aggressive pattern and composition of the lug rubber. Utilitarian snowmobile (wide truck, super wide truck) - a category of snowmobiles with a wide caterpillar for hard work. It will be wound up in severe frost and will drag away a heavy sled. Speed and comfort are secondary. The caterpillar is suitable for snowmobiles: - Tayga Patrul 550SWT - Tayga Patrul 551SWT - Taiga Bars - Taiga ST500D - Taiga Classic, 11 equipment - For SWT models of Stels snowmobiles.