Minneapolis-Moline Model U Tractor Detail 3

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Detail of the inlet and exhaust manifold of Minneapolis-Moline Model U Tractor.  The vaporising arrangement allowed the fuel and air mixture to be drawn from the updraft carburetor through the hot exhaust section of the manifold before entering the inlet section of the manifold.  Good vaporisation is essential for the smooth running of any Kerosene/Vaporising Oil powered engine, the method used on the Minneapolis-Moline Model U Tractor appears to have been extremely efficient.