British Rail Class D16/1

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LMS 10000 & 10001
(British Rail class D16/1)
Chinley EX 30.jpg
Type and origin
Power typeDiesel-electric
BuilderLMS Derby Works
Order numberLMS Lot number 198
Build date1947–1948
Total produced2
 • UICCo'Co'
Gauge4 ft 8 12 in (1,435 mm)
Wheel diameter3 ft 6 in (1.067 m)
Wheelbase51 ft 6 in (15.70 m)
Length61 ft 2 in (18.64 m)
Loco weight127.65 long tons (129.70 t) later 130.65 long tons (132.75 t)
Fuel capacity900 imp gal (4,100 l; 1,100 US gal)
Prime moverEnglish Electric 16SVT Mark 1
RPM range750 (max)
Traction motorsEE 519/3B, 6 off
TransmissionDC generator
DC traction motors
MU workingFitted
Train heatingClarkson Steam generator, later replaced by Spanner 2,000 pounds (910 kg) per hour model
Train brakesVacuum
Performance figures
Top speed93 mph (150 km/h)
Power output1,600 hp (1,200 kW)
Tractive effort41,400 lbf (184.2 kN)
Railroad(s)London, Midland and Scottish Railway, British Railways
Power class6P5F, later 5P5F, later Type 3
Axle load classRA 9
Retired1963, 1966

British Railways Class D16/1 or 10000 and 10001 were the first mainline diesel locomotives in Great Britain. They were built by the London, Midland and Scottish Railway at its Derby Works, using the EE16SVT 1600 hp diesel engine with electric transmission, in association with English Electric and the Vulcan Foundry, with whom the LMS had had a long working relationship.