333 D - High speed, single needle lockstitch machine with fully automatic lubrication.
333 TD - Same as 333 D, but with thread trimmer
333 LH - Medium speed, single needle lockstitch machine with fully automatic lubrication and large hook.
333 AUT - Same as 333 D, but with thread trimmer and auto back tack.
333 LH-AUT - Same as 333 LH, but with thread trimmer and auto back tack.




