Weidely:kerosene, 4-cylinder, liquid-cooled, Displacement 276.5 ci (4.5 L), Bore/Stroke 4.00x5.50 inches (102 x 140 mm), Fuel system carburetor, Rated RPM 1265, Starter type hand crank
Rutenber:kerosene, 4-cylinder, liquid-cooled, Displacement 294 ci (4.8 L), Bore/Stroke 4.125x5.50 inches (105 x 140 mm), Fuel system Kingston carburetor, Starter type hand crank
Waukesha:kerosene, 4-cylinder, liquid-cooled, Displacement 289.02 ci (4.7 L), Bore/Stroke 4.00x5.75 inches (102 x 146 mm), Fuel system Kingston carburetor, Rated RPM 950, Starter type hand crank
Engine options:Rutenber 4.8L 4-cyl kerosene, Weidely 4.5L 4-cyl kerosene, Waukesha 4.7L 4-cyl kerosene