_________________ Major Component Files _________________

 

_________ Series 2 Power Units 423 - 428 _________

 

 

Power Unit 423
See also 423 photos

 

 

Locomotive:

Installation:

(No.1/2 End)

Off Works:

(Fitted)

On Works:

(Removed)

Fault/Reason For Removal:

Notes:

01

D9008

2

07/07/61

26/04/62

Loco due classified repair

Out RSH

02

D9013

1

23/09/62

11/04/63

Drive shaft broken

In DONC

03

D9002

2

20/08/63

20/06/64

‘5C’ piston broken

 

04

D9003

1

23/01/65

11/09/65

Water pump drive shaft broken

 

05

D9017

2

18/09/65

06/01/66

Loco due classified repair

 

06

D9001

1

02/02/66

02/06/66

No details

 

07

D9016

1

26/10/66

11/05/67

Seized piston & con rod broken

 

08

D9016

1

07/10/67

26/09/68

Loco due classified repair

 

09

D9019

2

03/01/69

04/02/70

Internal coolant leak

 

10

9007

1

24/04/70

15/07/70

Oil leaks

 

11

9016

2

28/07/70

01/11/70

Dephased

 

12

9011

1

08/11/70

08/03/71

‘AB’ crankcase fractured

 

13

9009

1

22/10/71

28/08/72

Loco due classified repair

 

14

9004

2

30/08/72

25/09/72

Loco due classified repair

 

15

9021

1

28/09/72

12/02/73

Loco due classified repair

 

16

9011

1

11/04/73

01/02/74

Piston seized

 

17

55017

2

25/04/74

26/11/74

Loco due classified repair

 

18

55007

1

08/12/74

18/01/75

Con rod through ‘BC’ crankcase

 

19

55010

1

08/08/75

09/12/75

Breathing heavy

 

20

55011

1

10/01/76

26/03/76

Unit required Light repair

 

21

55001

2

31/03/76

12/04/76

Con rod through crankcase

 

22

55016

1

24/10/76

14/01/77

Suspect scavenge blower

 

23

55009

2

20/02/77

02/08/77

Dephased

 

24

55011

1

06/09/77

15/12/77

Dephased

 

25

55007

2

04/01/78

27/04/78

Dephased

 

26

55016

2

22/12/78

10/01/79

To allow 55011 back to traffic

 

27

55011

2

05/04/79

31/10/79

To allow 55004 back to traffic

 

28

55004

2

29/11/79

03/06/80

Loco due classified repair

 

29

55007

1

12/06/80

28/08/80

Dephased

 

30

55018

2

  08/05/81*

20/10/81

To allow 55007 back to traffic

(55018 withdrawn 18/10/81)

Out SF

31

55007

2

30/10/81

04/01/82

Locomotive withdrawn (loosing coolant)

In SF

Installed in 15 locomotives: 01/02/03/04/07/08/09/10/11/13/16/17/18/19/21

*423 was the final power unit to be given a classified repair (General) at Doncaster Works
Power unit purchased by DPS & currently in store

Preservation Summary

 

Power Unit 424
See also 424 photos

 

 

Locomotive:

Installation:

(No.1/2 End)

Off Works:

(Fitted)

On Works:

(Removed)

Fault/Reason For Removal:

Notes:

01

D9008

1

07/07/61

26/04/62

Scavenge oil pump drive defective

Out RSH

02

D9010

1

12/10/62

07/10/63

Loco due classified repair

In DONC

03

D9007

1

01/01/64

30/10/64

Loco due classified repair

 

04

D9014

1

26/11/64

02/02/65

Loco due classified repair

 

05

D9021

1

09/03/65

20/04/65

Suspect liner seal leaking

 

06

D9011

2

09/07/65

27/10/66

No details

 

07

D9005

2

03/03/67

30/03/67

Loco due classified repair

 

08

D9010

2

01/04/67

28/12/67

Loco due classified repair

 

09

D9011

1

05/01/68

19/03/68

Water in sump

 

10

D9003

1

19/07/68

25/02/69

Loco due classified repair

 

11

D9010

1

07/03/69

19/06/69

Exhaust tank full of water

 

12

D9008

1

15/10/69

20/08/70

Suspect dephased

 

13

9018

1

29/08/70

04/11/70

Loco due classified repair

 

14

9001

1

07/11/70

01/12/70

Loco due classified repair

 

15

9007

2

05/12/70

04/01/71

Water in sump

 

16

9003

2

19/03/71

13/05/71

Coolant pressurizing

 

17

9010

2

09/06/71

06/06/72

Aerating (suspect fractured liner)

 

18

9001

1

05/10/72

27/11/72

Loco due classified repair

 

19

9002

1

06/12/72

15/01/73

Breathing heavy

 

20

9007

1

22/01/73

09/08/73

Loco due classified repair

 

21

9018

2

11/08/73

05/12/73

Breathing heavy

 

22

9013

1

28/02/74

27/07/74

Con rod through crankcase

 

23

55001

2

05/11/74

22/01/75

‘A’ side crankcase fractured

 

24

55004

2

31/01/75

19/05/75

Suspect fractured liner

 

25

55006

1

02/11/75

03/12/75

Loco due classified repair

 

26

55005

2

08/01/76

05/08/76

No details

 

27

55019

1

22/09/76

08/04/77

Con rod through crankcase

 

28

55020

1

11/09/77

28/01/78

To allow 55021 back to traffic

 

29

55021

1

02/02/78

25/04/78

To allow 55016 back to traffic

 

30

55016

2

27/04/78

22/06/78

‘B’ crankcase fractured

 

31

55010

2

19/08/78

23/09/78

Required gudgeon pin housing exam

 

32

55015

2

27/09/78

25/10/78

Suspect fractured liner

 

33

55005

1

08/12/78

05/07/79

Time expired

 

34

55011

1

18/11/79

05/02/80

Fire damage

 

35

55003

2

10/03/80

07/11/80

Fractured liner

 

36

55016

1

21/01/81

26/08/81

Coolant system aerating

 

37

55017

1

  17/11/81*

23/01/82

Locomotive withdrawn

 

38 55009 2 24/04/85 24/01/00 Fitted in preservation at NYMR Out BH

39

55019

1

24/01/00

 

Donated by D9009

In BH 

Installed in 20 locomotives: 01/02/03/04/05/06/07/08/09/10/11/13/14/15/16/17/18/19/20/21

*Last power unit repaired at Doncaster
Power unit purchased by DPS & currently fitted to 55019

Preservation Summary

 

Power Unit 425

 

 

Locomotive:

Installation:

(No.1/2 End)

Off Works:

(Fitted)

On Works:

(Removed)

Fault/Reason For Removal:

Notes:

No record of use prior to 12/01/62

01

D9009

2

12/01/62

11/04/62

Header tank split

In/out RSH

02

D9006

2

15/08/62

19/05/63

Loco due classified repair

In DONC

03

D9010

1

20/10/63

02/09/64

Internal coolant leak

 

04

D9014

1

22/05/65

15/05/66

Loco due classified repair

 

05

D9013

2

24/05/66

15/09/66

Loco due classified repair

 

06

D9003

2

23/12/66

14/12/67

Main generator faults

 

07

D9010

1

01/02/68

23/04/68

No.4 con rod broken

 

08

D9020

1

22/07/68

13/11/68

Con rod through crankcase

 

09

D9014

2

11/02/69

27/10/69

Loco due classified repair

 

10

D9021

2

08/11/69

17/12/69

Time expired

 

11

9019

2

05/02/70

27/04/70

Loco due classified repair

 

12

9013

1

10/05/70

27/05/70

Loco due classified repair

 

13

9012

2

30/05/70

26/09/70

Loco due classified repair

 

14

9019

2

08/10/70

26/11/70

Loco due classified repair

 

15

9013

1

10/12/70

02/01/71

Aerating (suspect fractured liner)

 

16

9005

2

17/04/71

07/05/71

Liner seals leaking

 

17

9010

2

09/06/71

07/02/72

Liner seal defect

 

18

9008

2

23/05/72

22/03/73

Time expired

 

19

9004

1

29/08/73

10/09/74

Loco due classified repair

 

20

55014

1

14/09/74

30/12/74

Loco due classified repair

 

21

55006

2

13/02/75

15/10/75

No.6 ‘BC’ con rod through crankcase

 

22

55008

2

14/01/76

20/05/76

Rising copper content

 

23

55014

2

16/06/76

19/04/77

Seized

 

24

55006

1

07/10/77

01/02/78

Suspect fractured liner

 

25

55015

1

16/03/78

05/05/78

Con rod through ‘CA’ crankcase

 

26

55012

2

31/03/79

16/01/80

Suspect fractured liner

 

27

55022

1

18/02/80

17/12/80

Aerating

 

28

55021

1

15/07/81

05/10/81

Auxiliary generator faults

 

Installed in 15 locomotives: 00/03/04/05/06/08/09/10/12/13/14/15/19/20/21

Power unit scrapped

 

Power Unit 426

 

 

Locomotive:

Installation:

(No.1/2 End)

Off Works:

(Fitted)

On Works:

(Removed)

Fault/Reason For Removal:

Notes:

No record of use prior to 13/12/61

01

D9001

2

13/12/61

31/08/62

‘B’ crankshaft broken

In DONC

02

D9019

1

06/11/62

xx/09/63

No details

 

03

D9003

2

15/10/63

19/11/63

Loco due classified repair

 

04

D9021

2

06/02/64

17/10/64

Main generator faults

 

05

D9002

1

12/11/64

16/02/65

Suspect ‘C3’ liner cracked

 

06

D9006

1

18/06/65

25/02/66

No details

 

07

D9008

1

21/03/66

14/10/66

No details

 

08

D9000

2

22/03/67

25/09/67

Loco due classified repair

 

09

D9009

2

07/10/67

11/12/67

Loco due classified repair

 

10

D9015

1

22/02/68

28/08/68

Loco due classified repair

 

No record of use between 28/08/68 – 04/10/69

11

D9017

1

04/10/69

12/11/70

Suspect fractured liner

 

12

9020

2

08/04/71

09/09/71

Suspect fractured liner

 

13

9018

2

07/12/71

15/05/72

Seized piston

 

14

9005

2

22/06/72

06/07/72

No details

 

15

9015

1

13/07/72

25/09/72

Loco due classified repair

 

16

9021

2

28/09/72

12/02/73

Loco due classified repair

 

17

9016

1

16/02/73

29/05/73

Loco due classified repair

 

18

9000

2

15/08/73

30/07/74

Loco due classified repair

 

19

55004

1

12/10/74

19/05/75

To allow 55013 back to traffic

 

20

55013

1

22/05/75

08/09/75

Suspect fractured liner

 

21

55004

1

13/02/76

15/12/76

Loco due classified repair

 

22

55006

1

23/12/76

05/02/77

Breathing heavy

 

23

55011

1

17/02/77

18/06/77

No details

 

24

55017

2

10/01/78

07/10/78

Aerating

 

25

55007

1

25/11/78

06/01/79

‘CA’ crankcase sump holed

 

26

55019

2

16/02/79

09/08/79

Water ingress after exhaust fire

 

27

55010

1

11/02/80

28/08/80

Loco due classified repair

 

28

55022

2

05/09/80

06/07/81

Coolant in lubricating oil

 

Installed in 20 locomotives: 00/01/02/03/04/05/06/07/08/09/10/11/13/15/16/17/18/19/20/21

No record of use after 06/07/81 - power unit scrapped

 

Power Unit 427
See also 427 photos

 

 

Locomotive:

Installation:

(No.1/2 End)

Off Works:

(Fitted)

On Works:

(Removed)

Fault/Reason For Removal:

Notes:

01

D9009

2

21/07/61

30/11/61

Broken con rod

Out RSH

02

D9000

1

07/03/62

19/12/62

Suspect fractured liner

In RSH

03

D9009

2

20/03/63

10/03/64

Loco due classified repair

 

04

D9006

1

02/06/64

31/05/65

Loco due classified repair

 

05

D9018

2

04/06/65

20/07/65

Water in sump

 

06

D9001

2

02/11/65

06/07/66

Water pump drive defect

 

07

D9006

1

21/07/66

26/07/66

No details

 

08

D9015

1

31/08/66

16/01/67

Loco due classified repair

 

09

D9008

1

21/01/67

02/06/67

Loco due classified repair

 

10

D9019

1

10/11/67

13/01/68

No details

 

11

D9002

2

01/02/68

02/12/68

Loco due classified repair

 

12

D9008

2

30/12/68

11/03/69

No.5 con rod through crankcase

 

13

D9014

1

27/06/69

27/10/69

Loco due classified repair

 

14

D9015

2

11/11/69

10/10/70

Loco due classified repair

 

15

9010

2

11/12/70

07/04/71

Breathing heavy

 

16

9014

1

23/07/71

12/04/72

Defective cylinder liner

 

17

9005

1

17/07/72

04/09/72

‘C’ bank liner seal leaking

 

18

9014

1

26/09/72

17/01/73

High copper content in oil

 

19

9004

1

23/01/73

30/01/73

Dephased

 

20

9018

1

15/02/73

20/06/73

Liner seal leaking

 

21

9012

1

13/09/73

18/09/74

Loco due classified repair

 

22

55001

2

23/09/74

25/09/74

Loco due classified repair

 

23

55009

1

27/09/74

11/01/75

Con rod through crankcase

 

24

55010

2

08/08/75

05/02/76

Breathing heavy

 

25

55020

1

02/03/76

27/05/76

Suspect con rod adrift

 

26

55011

1

24/06/76

26/07/76

Disengaged from generator

 

27

55010

1

19/08/76

21/09/76

Loco due classified repair

 

28

55006

2

26/09/76

05/02/77

Breathing heavy

 

29

55020

2

27/04/77

28/01/78

Aerating

 

30

55005

2

10/03/78

22/08/78

Dephased

 

31

55010

1

20/06/79

25/07/79

To allow 55009 back to traffic

 

32

55009

2

26/07/79

30/05/80

Defective scavenger

 

33

55022

2

05/08/80

15/08/80

Aerating

 

34

55010

1

17/10/80

18/08/81

Main generator faults

 

35

55004

2

11/09/81

05/01/82

Locomotive withdrawn (Dephased)

 

Installed in 16 locomotives: 00/01/02/04/05/06/08/09/10/11/12/14/15/18/19/20

Power unit scrapped

 

Power Unit 428

 

 

Locomotive:

Installation:

(No.1/2 End)

Off Works:

(Fitted)

On Works:

(Removed)

Fault/Reason For Removal:

Notes:

01

D9009

1

21/07/61

03/01/62

‘B2’ con rod broken

Out RSH

02

D9015

1

12/07/62

09/11/62

Water pump defective

In DONC

03

D9020

2

15/02/63

04/11/63

Loco due classified repair

 

04

D9021

1

06/02/64

15/02/65

Loco due classified repair

 

05

D9006

2

27/03/65

15/05/65

Water pump drive sheared

 

06

D9019

2

25/05/65

27/07/65

Suspect fractured liner

 

07

D9008

2

04/11/65

01/05/67

No details

 

08

D9019

2

10/11/67

09/12/68

Loco due classified repair

 

09

D9013

2

23/12/68

09/01/69

Loco due classified repair

 

10

D9003

2

24/01/69

25/02/69

Loco due classified repair

 

11

D9015

2

27/02/69

09/04/69

Loco due classified repair

 

12

D9001

2

26/07/69

20/07/70

Fractured liner

 

13

9008

1

17/10/70

20/09/71

Loco due classified repair

 

14

9020

1

22/09/71

24/01/72

Loco due classified repair

 

15

9004

2

19/03/72

27/03/72

To allow 9012 back to traffic

 

16

9012

2

28/03/72

28/10/72

Loco due classified repair

 

17

9015

1

04/11/72

16/02/73

Excessive coolant in sump

 

18

9016

2

20/06/73

04/01/74

Main generator faults

 

19

9016

1

22/01/74

19/08/74

‘AB’ crankcase holed

 

20

55005

2

10/12/74

25/02/75

‘BC’ crankcase fractured

 

21

55011

2

22/04/75

13/05/75

Suspect fractured liner

 

22

55020

1

19/06/75

04/12/75

Loco due classified repair

 

23

55002

2

07/12/75

16/03/76

Loco due classified repair

 

24

55004

2

19/05/76

15/12/76

Loco due classified repair

 

25

55007

1

23/12/76

30/12/76

Suspect fractured liner

 

26

55016

2

25/01/77

24/06/77

Dephased

 

27

55016

1

10/11/77

22/06/78

To allow 55019 back to traffic

 

28

55019

1

23/06/78

02/12/78

Fractured liner

 

29

55005

2

08/08/79

23/09/80

Scavenge blower drive sheared

 

30

55019

2

29/10/80

07/10/81

Dephased

 

Installed in 17 locomotives: 01/02/03/04/05/06/07/08/09/11/12/13/15/16/19/20/21

Power unit scrapped

 

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