GE U33B
Penn Central #2906 with a freight train in Pittsburgh, Pennsylvania in 1970.
Type and origin Power type Diesel-electric Builder GE Transportation Systems Model U33B Build date December 1966 – March 1975 Total produced 137
Specifications Configuration: ​  • AAR B-B Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gauge Length 60 ft 2 in (18.34 m) Prime mover GE FDL-16 Engine type V16 diesel Cylinders 16
Performance figures Power output 3,300 hp (2,500 kW)

The GE U33B is a diesel-electric locomotive that was offered by GE in 1966, featuring a 16-cylinder motor. It is 60 ft 2 in (18.34 m) long.

Five former SCL U33B’s were stored until 2019. They were later sold to FCCR. 1012 is currently the only known survivor.

• Sarberenyi, Robert. GE U33B Original Owners.