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Model 35 was Caille's "A" class racer from 1931. There is a reference to it from a non Caille source in 1930 but the only Caille literature I have referring to the 35 is from 1931.
I have Caille sales and parts-instruction manuals through 1934 and it is not in anything but the 1931 lit.

Class A, twin carb, tractor racer - as found.

Serial # TR 230