Ariens Hydro Pro Track (28) 420cc Two-Stage Snow Blower ARN926067Ariens Hydro Pro Track (28) 420cc Two-Stage Snow Blower [ARN][926067]. 5.5-Inch Wide Directional Snow Tracks. Superior traction control especially when climbing uphill. Ideal for gravel drives and for steep hills and inclines. Ariens Polar Force 420CC Engine By Briggs And Stratton. Throws snow from 3.