Model Number: 6-24288

Model Number: 038913

the basic design was first introduced in the late 1950's

Model Number: 405110

Atlas 53531 N Scale PRR SD9 #7608 ProductID_11552477 Model Number: 6-24288The Atlas Classic N Scale SD 7 Locomotive is based on the prototype manufactured by EMD from February 1952 to November 1953. Utilizing a 1,500 hp engine and a longer underframe than the GP 7, the SD 7 was the first locomotive to use EMD's Flexicoil truck. Built by EMD between 1954 and 1959, the SD 9 6 axle road switchers produced 1,750 HP and were used primarily for freight service throughout the US, both on main and secondary lines. Many SD 9