Class 86 - BR Design - Bo-Bo

• Built 1965-66 by English Electric Co. at Vulcan Foundry, Newton le Willows or BR Doncaster Works.
• Rebuilt with Class 87 type bogies and motors.
• Tap changer control.
• Supply System 25 kV ac from overhead equipment.
• Traction Motors GEC G412AZ frame mounted.
• Maximum Tractive Effort of 258 kN (58000 lbf), Continuous Rating of 3730 kW (5000 hp) giving a tractive effort of 95 kN (21300 lbf) at 87 mph.
• Maximum Rail Power of 5860 kW (7860 hp) at 50.8 mph.
• Brake Force 40 t, Train Brakes Air and Vacuum. Rheostatic Electric Brake.
• Length over Buffers 17.83 m, Wheel Diameter 1150 mm.
• Weight 87 t, Route Availability (RA) Index 6.
• Design Speed and Maximum Speed 110 mph.
• ETH Index 74.
• Communication Equipment Driver to Guard telephone.
• Multiple Working with Time Division Multiplex (TDM) system.

Sub Class 86/1.

Details as above - only three members 86101, 86102 and 86103 now stored unserviceable at ADTranz Crewe Works.

Sub Class 86/2.

Details as for 86/1, except the following:

• Built 1965-66 by English Electric Co. at Vulcan Foundry, Newton le Willows or BR Doncaster Works.
• Later rebuilt with resilient wheels and flexicoil suspension.
• Tap changer control.
• Traction Motors AEI 282BZ.
• Maximum Tractive Effort 207 kN (46500 lbf), Continuous Rating 3010 kW (4040 hp) giving a tractive effort of 85 kN (19200 lbf) at 77.5 mph.
• Maximum Rail Power 4550 kW (6100 hp) at 49.5 mph.
• Wheel Diameter 1156 mm.
• Weight 85 - 86 t.
• ETH Index 66 (75 on 86220, 86223 and 86227).
• Design Speed 125 mph, Maximum Speed 100 (110 on 86231) mph.

Members of class: 86204 to 86261.

Sub Class 86/4 and 86/6.

Same details as 86/1, except for the following:

• Built 1965-66 by English Electric Co. at Vulcan Foundry, Newton le Willows or BR Doncaster Works.
• Later rebuilt with resilient wheels and flexicoil suspension.
• Tap changer control.
• Traction Motors AEI 282AZ.
• Continuous Rating 2680 kW (3600 hp) giving a tractive effort of 89 kN (20000 lbf) at 67 mph.
• Maximum Rail Power 4400 kW (5900 hp) at 38 mph.
• Wheel Diameter 1156 mm.
• Weight 83 - 84 t.
• Design Speed 100 mph, Maximum Speed 100 (75 Class 86/6) mph.

Members of Class: 86401 to 86639. All of class 86/6 have ETH equipment isolated. These sub-classes are mainly used for freight trains.

Class 86 Photographs.

Two unidentified Class 86's pause at a murky Wolverhampton Station.	86102 at Glasgow Central on the 16th August 1992. This locomotive is called "Robert A Riddles" and is now stored unserviceable at Crewe Works.
86219 and 87002 stand at London Euston on the 5th August 1993.	86236 with an Intercity service at Birmingham New Street on Valentines Day 1993.
86244 at Birmingham New Street on the 16th February 1993.

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(C) Copyright 1999, Written by Mark Chatwin.