British Rail Class 16

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NBL Type 1
British Rail Class 16
North British Type 1 D8403 (8314604715).jpg
Type and origin
Power typeDiesel-electric
BuilderNorth British Locomotive Company
Serial number27671–27680
Build date1958
Total produced10
 • WhyteBo-Bo
 • UICBo'Bo'
Gauge4 ft 8 12 in (1,435 mm) standard gauge
Wheel diameter3 ft 7 in (1.092 m)
Minimum curve3.5 chains (70 m)
Wheelbase28 ft 6 in (8.69 m)
Length42 ft 6 in (12.95 m)
Width8 ft 8 12 in (2.65 m)
Height12 ft 8 in (3.86 m)
Loco weight68 long tons (69.1 t)
Fuel capacity400 imp gal (1,800 l; 480 US gal)
Prime moverPaxman 16YHXL
GeneratorGEC WT 881
Traction motorsGEC WT8811, 4 off
TransmissionDC generator, DC traction motors
MU working Red Circle
Train heatingNone; through steam pipe
Train brakesVacuum
Performance figures
Top speed60 mph (97 km/h)
Power outputEngine: 800 hp (597 kW)
At rail: 627 hp (468 kW)
Tractive effortMaximum: 42,000 lbf (186.8 kN)
Brakeforce31 long tons-force (310 kN)
Railroad(s)British Railways
Axle load classRoute availability 4
DispositionAll scrapped

The British Rail Class 16, originally known as the North British Type 1 was a type of diesel locomotive ordered under British Railways' 1955 Modernisation Plan. Like other Type 1 designs, they were relatively small locomotives intended primarily for local freight traffic.