Maximum sewing speed is increased to 7,000sti/min.
The needle bar mechanism and upper looper mechanism have been redesigned to require no lubrication. The frequency of stain removal or re-sewing is reduced.
The most-advanced dry technologies, such as the special surface treatment applied to the major drive unit and the grease feeding method, contribute to higher durability.
The machine does not splash oil after a long-period of use.