Queensland Railways 1170 class

The 1170 class were a class of diesel locomotive built by Walkers Limited, Maryborough for Queensland Railways between 1956 and 1958.

Queensland Railways 1170 class
1170 at Redbank Railway Workshops
in August 1988
Type and origin
Power typeDiesel-electric
BuilderWalkers Limited, Maryborough
ModelGE Transportation U-67T
Build date1956-1958
Total produced12
Specifications
Configuration:
​
 • UICA1A-A1A
Gauge1,067 mm (3 ft 6 in)
Length12.65 m (41 ft 6 in)
Loco weight60 t (59 long tons; 66 short tons)
Fuel typeDiesel
Prime moverCooper Bessemer FWL6T
GeneratorGeneral Electric GT586
Traction motorsGeneral Electric 756
Performance figures
Maximum speed80 km/h (50 mph)
Power output477 kW (640 hp)
Tractive effort122 kN (27,000 lbf)
Career
OperatorsQueensland Railways
Number in class12
Numbers1170-1181
First run18 January 1956
Last run31 March 1989
Preserved1170, 1172, 1177, 1179, 1181
Disposition5 preserved, 7 scrapped

History

The 1170 class were intended as a replacement for the PB15 class steam locomotives on branch lines. They were built by Walkers Limited in Maryborough under licence from GE Transportation.[1][2]

They were originally known as the 1500 class and renumbered as the 1270 class (not to be confused with the later 1270 class) before finally being renumbered as the 1170 class.

The class were popularly known as 'Paw Paws' after a racehorse, which in turn was named after a character in a contemporary cartoon strip.[3]

They spent most of their working lives based at Townsville but in later years were used around Brisbane and the southern region of the state as shunters.[3] The first unit was withdrawn in 1984 with the final two withdrawn in 1989.

Five units have been preserved, including class leader 1170 retained by the Queensland Rail Heritage Division at North Ipswich.[1][4]

Status table
1500
class
number		1270
class
number		1170
class
number		Serial
number		In serviceWithdrawnScrappedNotes
1500 1270 1170 558 18 January 1956 18 July 1988 Preserved, Queensland Rail Heritage Fleet, North Ipswich
1501 1271 1171 559 1 June 1956 4 July 1988 December 1990
1502 1272 1172 560 4 August 1956 31 March 1989 Preserved, privately owned. Leased to DownsSteam Tourist Railway & Museum
1503 1273 1173 561 27 September 1956 13 March 1986 December 1989
1504 1274 1174 562 15 March 1957 3 March 1988 January 1991
1505 1275 1175 563 12 April 1957 20 February 1984 January 1991
1506 1276 1176 564 31 May 1957 11 September 1987 December 1989
1507 1277 1177 565 28 June 1957 25 February 1989 2018? Formerly Preserved, stripped for parts for 1172 and 1179. Remaining shell scrapped.
1508 1278 1178 566 26 October 1957 11 July 1988 January 1991
1509 1279 1179 567 4 December 1957 25 July 1988 Preserved, Rosewood Railway Museum
1510 1280 1180 568 14 March 1958 30 September 1987 January 1991
1511 1281 1181 569 25 May 1958 22 March 1989 Preserved, Herberton Railway Museum, carries number 1181

References
  1. Walkers/IGE 1170 Class Queensland's Railway Interest Group
  2. 1170 Class Queensland Great Trains
  3. Milne, Rod. "1170 Class ("Paw Paw") of the Queensland Railways". Bulletin. Australian Railway Historical Society. 47 (669): 3–9.
  4. Diesel Locomotives Association of Tourist Railways Queensland 13 March 2011
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