When the GN and Spokane Portland & Seattle were still separate roads they had hood units from both Alco and EMD Over the years the question of which way was front came up many times Both the GN And SP&S ran their hood units with the long hood forward The SP&S had six GP-9's four of which were passenger equipped. The four were "Torpedo Geeps" with the air tanks on the roof. None of the SP&S Geeps had dynamic brakes