Model Number: 10517

The Alco S4 were 1

and a square dull red roof

The Trainz SKU for this item is P12051812

Kato 106-0204 N Scale Chicago & North Western F2 AA Diesel Set #4051 & 4052 ProductID_12184354 Model Number: 10517This is a Kato 106 0204 N Scale Chicago & North Western F2 AA Diesel Set #4051 & 4052 (early). The F Unit is probably the most recognized diesel locomotive in North American history. These feature plastic trucks, knuckle couplers, metal wheels and axles, operating lights, and a motor in each. These engines are DCC ready. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Kato Model Number: 106 0204 Road