| The
            Cirrus III was the third 4-cylinder in-line engine designed by Frank
            Halford and the first to move significantly away from the 1916
            technology used in the Cirrus and Cirrus II.
             The Cirrus III was introduced in 1926.  | 
           | 
          
            
                | 4-cylinder in-line |  
                | displacement: 348 cubic inches (5.7 liters) |  
                | bore x stroke: 114mm x 140mm |  
             
           |