The Train 2T, 4T and 6T were low power piston engines for light aircraft, produced in France.
They were inverted, air-cooled in-line engines with the same bore and stroke, differing chiefly in the number of cylinders.
In the 1930s Train introduced a series of air-cooled, inverted in-line piston engines for light aircraft.
On 27 December 1937 Mme Lafargue reached an altitude of 4,935 m (16,191 ft) in a Touya, setting both a class and a women's record.
[1] It also powered aircraft on some notable cross-country flights; on 30 December 1937 M. Lenee flew a Kellner-Béchereau E.1 from Elde to Biarritz, a distance of 1,229 km (763.7 mi; 663.6 nmi); the same day M. Blazy flew a two-seat SFAN 5 aircraft from Guyancourt to Champniers, Charente, covering 330 km (205.1 mi; 178.2 nmi).