The Société de Construction et d'Entretien de Matériel Industriel et Agricole (SCEMIA) reached an agreement with the British Saunderson company in 1918 to build their 'Universal' tractors under license in France. SCEMIA initially proposed to produce three different models, which it labelled the U-10, U-20 and U-30, but it seems that only the U-20 (corresponding to the Saunderson Model G) was ever produced in large numbers. A prototype of this machine, curiously labelled the 'Omnibus' and most likely a modified Saunderson, was entered in the 1918 La Verrière trials. The engines for the production tractors were manufactured by the Schneider company and a water pump was added to assist with cooling, a feature that was not present on the Saunderson. Another difference was that SCEMIA used metric measurements throughout to allow the use of French machine tools and to facilitate maintenance and repairs. Production of the SCEMIA continued until 1921, but the story doesn't quite end there. The engines fitted the SCEMIA were poorly constructed and many failed within a short time, while the rest of the tractor remained perfectly useable. In the mid-1920s, the Amadou company of Saint-Gratien began to offer replacement single-cylinder, semi-diesel engines for the SCEMIA (and the I.H.C. Titan 10-20), and some of the tractors even seem to have carried the Amadou name.

(Click on images below to enlarge)

SCEMIA U-20 (serial no. 49), fitted with replacememt Amadou semi-diesel engine, at the Musée Maurice Dufresne, Azay-le-Rideau, France in 2007.

SCEMIA U-20 (serial no. 63) at Woolpit Steam Rally, Suffolk, England in 2009.

SCEMIA U-20 (serial no. 96) at the Musée Maurice Dufresne, Azay-le-Rideau, France in 2007. In the third photo note the water pump, which was a feature of these French-built tractors but absent on the original Saundersons.


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