The Model M chassis was the same as the Model K except for a two inch longer wheelbase. Additional body styles were offered. Straight line Touring model was available again. The folding Tonneau was new. The tonneau folded to look like a runabout but this body was not available on the shorter Model K chassis.
First production one cylinder Coupe offered.
Serial numbers on plate on rear of body (with engine number). Engine numbers were stamped in three places on the crankcase:
Blank spaces on the patent plate were for additional patent dates, not engine or serial number
Serial number: 21851 to 22150 and 24075 to 24350