Ordered as a successor to the pilot scheme Type 1 locomotives, fitted with a centre cab. This class was probably the least successful of any type. The long bonnets in each direction gave the driver poor visibility. The Paxman 6ZHXL gave unreliable performance (overall reliability was around 60%). Withdrawals started in the late 1960’s and the final locomotives were withdrawn in 1971.
The engines were two Paxman 6ZHXL (except for D8586-87, which had 2 Rolls Royce ‘D’) with 7” cylinder bore and 7 ¾” cylinder stroke. The traction motors were 4 x GEC WT421, nose suspended with single reduction gear drive. The Main Generator was a GEC WT800 for D8500-87 and a Crompton Parkinson for the remainder. The Auxilary Generator was a GEC WT for D8500-87 and a Crompton Parkinson for the remainder.
In the Thomas the Tank Engine and Friends TV Series, there is a diesel the same type as this. His name is Derek the diesel (See Photo), and has teething troubles because he was new. He works with Bill and Ben the Tank Engine Twins in the quarry. Jump to: navigation, search Thomas the Tank Engine and Friends (changed into Thomas & Friends) is a childrens television series which was first broadcast in 1984. ... Derek is a dark green Bo-Bo Paxman Diesel. ... Bill and Ben (voiced by Shaun Fleming) are characters from Thomas the Tank Engine and Friends. ...
The BritishRailClass86 is the standard electric locomotive built during the 1960s, developed as a result of testing with the earlier Classes81, 82, 83, 84 and 85.
In the mid-1990s, BritishRail was privatised, and the Class86 fleet was divided among several operators.
It was reclassified as Class 86/5 and renumbered to 86501.
In 1988 BritishRail Engineering Limited was split between the major engineering works, which became BREL (1988) Ltd, and the (mostly smaller) works that were used for day-to-day maintenance of rolling stock, which became BritishRail Maintenance Limited (BRML).
Foster Yeoman's class 59s proved extremely reliable, and it was not long before quarry company ARC and privatised power generator National Power also bought small numbers of Class 59s to haul their own trains.
BritishRail was to be broken up into over 100 separate companies, with all relationships between the successor companies controlled by legal contracts and supervised by the Office of the Rail Regulator and, in the case of the passenger railway, the Office of Passenger Rail Franchising (OPRAF).
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