1. Multiple variety and structure suitable for transmission in different position. 2. Hollow output shaft giving great flexibility for installation. Either single-side output shaft or double-side output shaft can be designed. 3.Worm-gear speed reducer is directly connected with motor through flange; compact construction suitable to be mounted on various mainframes. Technical data: 1.Input power: 0.12KW-2.2KW 2.Max torque: 364N.m 3.Main speed ratio: 6.75; 7.5; 13.5; 18; 19; 23; 27; 29; 36; 38; 39; 40; 48; 49; 50; 51; 56.