HO Scale - GP39-2 - Burlington Northern #2710Description: In the decade between 1974 and 1984 , EMD produced the GP39 2 for seven North American railroads. The basic design followed most four axle road diesel switchers for the time. Borrowing improvements from the GP38 2 and GP40 2 designs, this mid horsepower road switcher utilized a turbocharged 12 cylinder EMD 645E3 diesel engine for its prime mover. With 4 fewer cylinders, the smaller engine provided a distinctive long hood on the phase II