South Australian Railways 720 class

724 at North Adelaide station in 1952

Type and origin
Power type	Steam
Designer	Fred Shea
Builder	Islington Railway Workshops
Build date	1930-1943
Total produced	17

Specifications
Configuration	2-8-4
Gauge	1,600 mm (5 ft 3 in)
Driver dia.	4 ft 9 in (1.45 m)
Total weight	227 long tons 4 cwt (508,900 lb or 230.8 t)
Fuel type	Coal Oil
Boiler pressure	215 psi (1,482 kPa)
Cylinder size	22 in × 28 in (559 mm × 711 mm)

Performance figures
Tractive effort	43,450 lbf (193.28 kN)

Career
Operators	South Australian Railways
Numbers	720-736
Disposition	all scrapped

The South Australian Railways 720 class was a class of 2-8-4 steam locomotives operated by the South Australian Railways.

History

The 720 class were built by the South Australian Railways as an improved version of the 710 class locomotives. The initial order was for five locomotives. They were intended to operate on the lighter narrow gauge lines, but after they began to spread rails, they were confined to the heavier lines. A further twelve were built between 1938 and 1943. The final seven differed in having streamlines valances and boiler lagging tinwear. Coal shortages after World War II saw 14 converted to burn oil. All were later converted back to coal burners. The last were withdrawn in April 1960.^[1]^[2]

References

↑ 720 class Chris' Commonwealth Railways Information
↑ Oberg, Leon (1984). Locomotives of Australia 1850s-1980s. Frenchs Forest: Reed Books. p. 161. ISBN 0730100057.

External links

Media related to South Australian Railways 720 class at Wikimedia Commons

Locomotives and rolling stock of the South Australian Railways and successors

Steam locomotives – 1,600 mm (5 ft 3 in) gauge	500 520 600 620 700 710 720 740 750 A B C D E F (1869) F (1902) G H I (1st) I (2nd) J K L M (1st) M (2nd) N O (1st) O (2nd) P Q R & Rx S Tx 1-3 205 97–98

Steam locomotives – 1,067 mm (3 ft 6 in) gauge	300 400 K T U V W & Wx X Y & Yx Z 0 (zero) 260 107

Diesel locomotives	350 500 600 700 800 830 900 930

Railcars	Brill Bluebird Redhen 2000 3000

Electric multiple units	A-City 4000

Passenger carriages by type	Sitting cars Dining & Buffet cars Parlor, Lounge & Club cars Sleeping cars Royal and Special cars

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Vans

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Named or significant trains

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