Class 321.

• DTCO (DTSO on Class 321/9)-MSO-TSOL-DTSO.
• Built York 1988 to 1990. Class 321/9 Built 1991 at York.
• Thyristor control, with tightlock couplers, disc and rheostatic brakes.
• Brush TM2141C traction motors of 268 kW.
• Bogies P7-4 (MSO), T3-7 (others).
• Gangways within unit.
• Sliding doors.
• Dimensions 19.83 x 2.82 m (outer cars), 19.92 x 2.82 m (inner cars).
• Maximum Speed 100 mph.

Class 321/3.

Units built for working out of Liverpool Street. Numbers are 321301-366. All based at Ilford depot.

Class 321/4.

Units built for the West Coast Main Line workings out of London Euston. Numbers are 321401-448. Allocated to Bletchley depot. Some units are now in Silverlink Livery. Units 321438-448 are allocated to Ilford and work out of Liverpool Street. These units have had the DTCOs declassified to removed the 12 first class seats.

Class 321/9.

These units are owned by West Yorkshire PTE and managed by Porterbrook Leasing Company. DTSO(A)-MSO-TSOL-DTSO(B). The units are 321901, 321902 and 321903. All in West Yorkshire PTE livery and allocated to Neville Hill depot.

Class 322.

• DTCO-MSO-TSOL-DTSO.
• Built York 1990 for use on Stanstead Airport Services out of London Liverpool Street.
• Thyristor control, with tightlock couplers, disc and rheostatic brakes.
• Brush TM2141C traction motors of 268 kW.
• Bogies P7-4 (MSO), T3-7 (others).
• Gangways within unit.
• Sliding doors.
• Dimensions 19.83 x 2.82 m (outer cars), 19.92 x 2.82 m (inner cars).
• Maximum Speed 100 mph.

Units are in Stanstead Skytrain livery and are allocated to Hornsey depot. The units are 322481, 322482, 322483, 322484 and 322485.

Class 321 and Class 322 Photographs.

321334 at Colchester on the 13th August 1993.	321401 passes through Harrow and Wealdstone on route to London Euston. 5th August 1993.
321406 hammers through Harrow and Wealdstone on the 5th August 1993.	321408 below the wires at London Euston on the 5th August 1993.
321427 and another class 321 passes through Harrow & Wealdstone. 5th August 1993.

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(C) Copyright 1999, Written by Mark Chatwin.