CLASS 321


  As built Facelifted    
Sub class: 321/3 321/3 321/4 321/9
Number range: 321301-321366 321301-321366 321401-321448 321901-321903
Introduced: 1988-1990 1988-1990 1989-1990 1991
Built by: BREL York - BREL York BREL York
Facelifted by: - Ilford Ilford Ilford
Formation: DTCO+MSO+TSOL+DTSO DTCO+MSO+TSOL+DTSO DTCO+MSO+TSOL+DTSO DTSO(A)+MSO+TSOL+DTSO(B)
Vehicle numbers: DTCO - 78049-78094,
78131-78150
DTCO - 78049-78094,
78131-78150
DTCO - 78095-78130,
78151-78162
DTSO(A) - 77990-77992
MSO - 62975-63020,
63105-63124
MSO - 62975-63020,
63105-63124
MSO - 63063-63092, 62099-63104, 63125-63136 MSO - 63153-63155
TSOL - 71880-71925,
71991-72010
TSOL - 71880-71925,
71991-72010
TSOL - 71949-71978, 71985-71990, 72011-72022 TSOL - 72128-72130
DTSO - 77853-77898,
78280-78299
DTSO - 77853-77898,
78280-78299
DTSO - 77943-77972, 78274-78279, 78300-78310 DTSO(B) - 77993-77995
Vehicle length: DTCO - 65ft 0 3/4in (19.83m)
MSO - 65ft 4 1/4in (19.92m)
TSOL - 65ft 4 1/4in (19.92m)
DTSO - 65ft 0 3/4in (19.83m)
DTCO - 65ft 0 3/4in (19.83m)
MSO - 65ft 4 1/4in (19.92m)
TSOL - 65ft 4 1/4in (19.92m)
DTSO - 65ft 0 3/4in (19.83m)
DTCO - 65ft 0 3/4in (19.83m)
MSO - 65ft 4 1/4in (19.92m)
TSOL - 65ft 4 1/4in (19.92m)
DTSO - 65ft 0 3/4in (19.83m)
DTSO(A) - 65ft 0 3/4in (19.83m)
MSO - 65ft 4 1/4in (19.92m)
TSOL - 65ft 4 1/4in (19.92m)
DTSO(B) - 65ft 0 3/4in (19.83m)
Height: 12ft 4 3/4in (3.78m) 12ft 4 3/4in (3.78m) 12ft 4 3/4in (3.78m) 12ft 4 3/4in (3.78m)
Width: 9ft 3in (2.82m) 9ft 3in (2.82m) 9ft 3in (2.82m) 9ft 3in (2.82m)
Seating: Total - 12F/287S Total - 16F/292S Sets 321401-321437 operated by Silverlink Train Services
Total - 28F/271S
Total - 307S
DTCO - 12F/56S DTCO - 16F/57S DTCO - 28F/40S DTSO(A) - 77S
MSO - 79S MSO - 82S MSO - 79S MSO - 79S
TSOL - 74S TSOL - 75S TSOL - 74S TSOL - 74S
DTSO - 78S DTSO - 78S DTSO - 78S DTSO(B)- 77S

Sets 321438-321448 operated by
One Railway

Total - 16F/283S

DTCO - 16F/52S
MSO - 79S
TSOL - 74S
DTSO - 78S
Internat layout: 2+2F/2+3S 2+2F/2+3S 2+2F/2+3S 2+3S
Gangway: Within unit only Within unit only Within unit only Within unit only
Toilets: TSOL - 2 TSOL - 2 TSOL - 2 TSOL - 2
Weight: Total - 137.9 tonnes Total - 137.9 tonnes Total - 137.9 tonnes Total - 137.9 tonnes
DTCO - 29.3 tonnes DTCO - 29.3 tonnes DTCO - 29.3 tonnes DTCO - 29.3 tonnes
MSO - 51.5 tonnes MSO - 51.5 tonnes MSO - 51.5 tonnes MSO - 51.5 tonnes
TSOL - 28 tonnes TSOL - 28 tonnes TSOL - 28 tonnes TSOL - 28 tonnes
DTSO - 29.1 tonnes DTSO - 29.1 tonnes DTSO - 29.1 tonnes DTSO - 29.1 tonnes
Brake type: Air (Westcode) Air (Westcode) Air (Westcode) Air (Westcode)
Bogie type: MSO - BREL P7-4
DTCO, DTSO, TSOL - BREL T3-7
MSO - BREL P7-4
DTCO, DTSO, TSOL - BREL T3-7
MSO - BREL P7-4
DTCO, DTSO, TSOL - BREL T3-7
MSO - BREL P7-4
DTCO, DTSO, TSOL - BREL T3-7
Power collection: 25kV ac overhead 25kV ac overhead 25kV ac overhead 25kV ac overhead
Traction motor type: 4 x Brush TM2141B 4 x Brush TM2141B 4 x Brush TM2141B 4 x Brush TM2141B
Horsepower: 1,328hp (996kW) 1,328hp (996kW) 1,328hp (996kW) 1,328hp (996kW)
Max speed: 100mph (161km/h) 100mph (161km/h) 100mph (161km/h) 100mph (161km/h)
Coupling type: Inner - bar
Outer - Tightlock
Inner - bar
Outer - Tightlock
Inner - bar
Outer - Tightlock
Inner - bar
Outer - Tightlock
Multiple restriction: Classes 317-323 Classes 317-323 Classes 317-323 Classes 317-323
Door type: Bi-parting sliding Bi-parting sliding Bi-parting sliding Bi-parting sliding
Owner: British Railway HSBC Rail HSBC Rail HSBC Rail previous RBOC
Operator: NSE One Railway Silverlink or One Railway Northern Railway
Special features:  

Last updated 20/06/04