Cam controlled extra heavy duty long arm zigzag machine with large barrel shuttle hook and reverse. Standard supplied with puller for strong and steady feeding, 3 different cams, suitable for straight stitch, 2 step, 3 step and 4 step zigzag, pneumatic presser foot lift and pneumatic back tack, needle cooler and hook cooler. The extra long arm clearance of 785mm is very useful when sewing larger items. A high foot lifter up to 20mmallows for heavy & bulky materials, such as sail, tent & marquees and tarpaulins. This is the improved version of durkopp adler 366-76-12-hm. 0.524 cb.M, 185 kgs