Class 31 - Brush Type 2 - A1A-A1A

• Built 1957-62 by Brush Traction at Loughborough.
• English Electric 12SVT Engine of 1100 kW (1470 hp) at 850 rpm.
• Main Generator Brush TG160-48. Traction Motors Brush TM73-68.
• Maximum Tractive Effort of 160 kN (35900 lbf) (190 kN (42800 lbf) 31106 & 31230), Continuous Tractive Effort of 83 kN (18700 lbf) at 23.5 mph. (99 kN (22250 lbf) at 19.7 mph 31106 & 31230).
• Power at Rail of 872 kW (1170 hp).
• Brake Force 49 t, Air and Vacuum train brakes.
• Design Speed of 90 mph (80 mph 31106 & 31230), Maximum Speed of 60 mph (90 mph Class 31/4).
• 17.30 m over buffers, driving wheel diameter 1092 mm, centre wheel diameter 1003 mm.
• Weight 107 - 111 t, Route Availability (RA) Index 5 or 6.
• Electric Train Heating (ETH) Index 66 (Class 31/4).
• Multiple Working with the Blue Star Coupling Code.

Sub Class 31/1.

RA 5 standard design. Members 31102 to 31327.

Sub Classes 31/4 and 31/5.

31/4 Equipped with train heating, RA 6. 31/5 Train Heating equipment isolated, RA 6. Members 31405 to 31468.

Class 31 Photographs.

31312 on the wheel lathe inside Toton Depot on the 13th June 1993.	31530 and 31128 at Bescot on the 24th October 1992. This is in the siding below the elevated section of the M6 motorway.
31410 stands next to 59104 at the Leicester Depot open day on the 6th September 1992.	31442 at Liverpool Lime Street station on the 11th July 1993.
Blue 31459 at Derby station on the 13th June 1993.

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(C) Copyright 1999, Written by Mark Chatwin.