5420 is a 1985 built GMD SD50F (serial number A4492) rated at 3200 hp, 2386 kW (downgraded from 3600 hp, 2684 kW). This is a diesel electric riding on 2 3-axle trucks.

SD50F 5420 was the centre unit in train 311 passing Copetown on Wednesday March 28th, 2007.