Ariens Professional 21 SSRC. Large 21 clearing width and remote chute operation. Ariens AX 208cc engine opens easily for maintenance to the spark plug, recoil, and carburetor. Engineered for those who move loads of snow from several sites in a given workday. 21 In / 53.3cm. 12.2 In / 30.9cm. 3 ft – 35 ft. 7.5 In / 19.0cm. 50.8 In / 129.0cm. 21.2 In / 53.8cm. 41.7 In / 105.9cm. 8.375 In / 21.2cm. 3 years residential use. 1 year commercial use. FEATURES AT A GLANCE.