The actual manufacturer can be identified by the first 3 numbers in the Model Number :
Sears Kenmore sewing machines :
20 = Greist
117 = White Sewing Machine Co.
119 = Unknown
120 = New Process Division of Chrysler Corp.
148 = Soryu ( Japan )
153 = Riccar
158 = Maruzen / Jaguar
340 = Necchi
385 = Janome
516 = Gritzner Kaiser (W. Germany)
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John T.