Dual Stage

HSS622CT1 55 cm (22 in), Track Drive

HSS622CTD1 55 cm (22 in), Track Drive ES

HSS724CW 60.5 cm (24 in), Wheel Drive

HSS928CW 71 cm (28 in), Wheel Drive

HSS724CT 60.5 cm (24 in), Track Drive

HSS724CTD 60.5 cm (24 in), Track Drive, ES

HSS928CT 71 cm (28 in), Track Drive

HSS928CTD 71 cm (28 in), Track Drive, ES

HSS1332CT 81 cm (32 in), Track Drive

HSS1332CTD 81 cm (32 in), Track Drive, ES