British Rail Class 35 facts for kids
|British Rail Class 35|
|Preserved D7017 at Minehead in 1979|
|Builder||Beyer Peacock (Hymek) Ltd|
|Serial number||7894–7938, 7949–8004|
|Gauge||4 ft 8 1⁄2 in (1,435 mm) standard gauge|
|Wheel diameter||3 ft 9 in (1.143 m)|
|Wheelbase||36 ft 0 in (10.97 m)|
|Length||51 ft 8 1⁄2 in (15.761 m)|
|Width||8 ft 10 in (2.69 m)|
|Height||12 ft 10 in (3.91 m)|
|Locomotive weight||75 long tons (76.2 t)|
|Fuel capacity||800 imp gal (3,600 l; 960 US gal)|
|Prime mover||Bristol-Siddley / Maybach MD870|
|Transmission||Hydraulic. Stone-Maybach Mekydro type 6184U|
|Multiple working||Yellow Triangle|
|Top speed||90 mph (145 km/h)|
|Power output||Engine: 1,700 bhp (1,270 kW)|
|Tractive effort||Maximum: 46,600 lbf (207.3 kN)|
|Train heating||Steam generator|
|Locomotive brakeforce||57 long tons-force (568 kN)|
|Axle load class||Route availability 6|
The British Rail Class 35 is a class of mixed traffic B-B diesel locomotive with hydraulic transmission. On account of their Mekydro-design hydraulic transmission units, the design became known as the Hymeks.
The type was developed for the Western Region of British Railways, which had opted for lightweight locomotives with hydraulic transmission when allocated funds under the British Railways Modernisation Plan of 1955. One hundred and one of the class were built between 1961 and 1964 when it became apparent that there was a requirement for a medium power diesel-hydraulic design for both secondary passenger work and freight duties.
They were allocated to Bristol Bath Road, Cardiff Canton and Old Oak Common. None of the class was named. Withdrawal from service began in 1971, and by 1975 all had been withdrawn. Their early withdrawal was caused, primarily, by BR classifying the hydraulic transmission as non-standard. Four examples survived into preservation.
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British Rail Class 35 Facts for Kids. Kiddle Encyclopedia.