Locomotive renumbering

In conjunction with the introduction of a new train radio system in June 1998 the alphanumeric locomotive classification system, which had been in use in Tasmania for over a hundred years, was abolished and replaced by a straight numeric numbering system. The proposed renumbering was announced in a staff information bulletin in May, although the first locomotive renumbering did not take place until 20 June. Renumbering of locomotives was undertaken progressively after this date.

The proposed numbers included stored locomotives ZA4, ZB4, ZC32, ZC39, ZC42 and ZC43 (but omitted some operational ZC class), but actual renumberings differed slightly from the proposed list. All existing numbers were removed, including number boards, and new large reflective white numerals were attached to the cab sides, front and rear of each locomotive.

ZC42 was later taken out of storage, renumbered and returned to service.

Although no class designations appear on the renumbered locos (the Tranz Rail painted DC and QR locos retain their New Zealand class letters on their ends), for non operational matters (and press releases!), Tasrail  still use the old class letters when referring to the locomotive type. The use of terms such as ‘2120 class’ has not generally occured; even the ‘2000 class’ is usually refered to as ‘DQ Class’ by Tasrail. In retrospect, the renumbering may have had more to do with ‘americanising’ the system, rather than operational requirements.

Small section of photograph
Click here for a view of the whole locomotive

2113 (formerly Z4) at Hobart, 2 July 1998   Photo: Michael Dix

 

Former Class

Old Number

New Number

DQ

6007

2001

 

6013

2002

 

6036

2003

 

QR 3032

2004

 

6330

2005

ZP

1

2100

ZR

2

2101

Z

1

2110

 

2

2111

 

3

2112

 

4

2113

ZA

1

2114

 

2

2115

 

3

2116

 

4

xx

 

5

2117

 

6

2118

ZB

1

2120

 

2

2121

 

3

2122

 

4

xx

 

5

2123

 

8

2124

 

10

2125

 

12

2126

 

13

2127

 

14

2128

 

15

2129

ZC

9

2140

 

11

2141

 

16

2142

 

17

2143

 

19

2144

 

20

2145

 

32

xx

 

39

xx

 

42

2146

 

43

xx

Y

1

2150

 

5

2151

'xx' indicates locomotive stored and not renumbered.

 


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