OTTW - One Two Three Wheels

Descripción

Firmas que utilizaron estos motores
- A -
ABINGDON (Birmingham), ACHILLES (Oberpolitz), ACME (Melbourne), ADDISON, ALLRIGHT, ANA, ANGLIAN, ANKER (Braunschweig), AOV, ARIEL (Footscray), ARMADALE, ASHFORD, ASL y ASTLEY.
- B -
BEAU-IDEAL, BECKER, BENTLEY, BERGFEX, BISMARK (Radevormwald), BNF, BRENNABOR y BURGERS-ENR.
- C -
CAMPION, CARBINE (Melbourne), CASSWELL o CASWELL, CHATER LEA, CITO, CLAES o PFEIL, CORONA (Brandenburg), COSMOS (Biel), COVENTRY CHALLENGE y CUDELL.
- D - E -
DELIN, DENE, DIAMANT (Reichenbach), EDMONTON, EDMUND, ENDRICK, EOLE (Liège), EWB, EXCELSIOR (Brandenburg), EXPRESS (Neumarkt) y EYSINK.
- G - H -
G&W, GREYHOUND (Ashford), GRITZNER, GUARALDI, HAMLET, HARTMANN y HEALING.
- J - K -
JACKSON (Horsham), JDUNA, JELINEK, JESMOND, JOOS, JUNO y KOHOUT.
- L -
LEADER (Bristol), LEITCH, LEONARD, LEUTNER, LIBERTY (Melbourne), LIMB y LONDON (Lambeth).
- M - N -
MABON, MAGNET (Berlin), MARS (London), MARS (Nürnberg), MAY BROTHERS, MILLFORD, MOUNTAINEER (London), MÖWE (Mülhausen) y NIESNER.
- P -
PALLION, PANTHER (Magdeburg), PEERLEES (Melbourne), PHANOMEN (Zittau), PHOENIX (Islington), PILOT (Birmingham), PRESTO (Chemnitz) y PROGRESS (Charlottenburg).
- R -
REFORM, REGINA (Ilford), RIGAT y ROTHWELL.
- S -
SIMPLEX (Amsterdam), SMITH (Camberley), SPIESS, STEUDEL, STOEWER, STYRIA, SUCCES (Zwolle) y SWALLOW (Tottenham).
- T -
TASMA, THEIN & GOLDBERGER, TOBOGGAN TRICAR, TORPEDO (Barton-upon-Humber), TORPEDO (Bremen), TRIMOBIL y TRIUMPH (Coventry).
- U - V -
UNECAR, VICTORIA (Nürnberg), VINDEC SPECIAL y VULCAN (Turnov).
- W -
WADDINGTON, WALTER (Mühlhaussen), WARATAH, WATSON (Ashford), WERNER (Paris), WESTFALIA (Oelde) y WHALLEY.
- Z -
ZENITH (Hampton) y ZEUGNER.

También concedió licencias a las siguientes firmas: ACHILLES (Oberpolitz) y EOLE (Liège).