Broad Gauge 720B class 2-8-4 locomotivesComrails Logo

Broad Gauge 720B class 2-8-4 locomotives

720 to 736

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720 721 722 723 724 725 726 727 728
729 730 731 732 733 734 735 736
Year:1930
Number built:17
Wheel arrangement:2-8-4 (1′D2′ 3′3′)
Driving wheels diameter:4 ft. 9 in.
Cylinders: - No., diameter & stroke:2 x 22 in. x 28 in.
Valve gear:Walschaert
Boiler pressure:215 lbs
Tractive effort:43,400 lbs
with booster cut in52,000 lbs
Heating surfaces:
tubes:2,615 sq. ft.
superheater:751 sq. ft.
firebox:360 sq. ft.
grate area:59.5 sq. ft.
Tender capacity:
coal:17 tons
oil (locos converted to oilburning only)3,060 gallons
Water9,000 gallons
(9,400 gallons when oil fired)
Roadworthy weights:
engine :123.80 tons
tender104.00 tons
on drivers77.10 tons
engine & tender:227.40 tons
Maximum axle load:19.85 tons
Wheelbases:
engine37 ft. 1 in.
rigid15 ft. 6 in.
engine & tender73 ft. 3 in.
Overall length:83 ft. 6 in.
Notes:
  • All engines fitted with Franklin C2 boosters = to 8,700 lbs tractive effort
  • Nos.725-736 built with wide valence below the running board.
  • Underframes for Nos.737-739 stored at the Islington Works, but never used. Cut up in the 1950s
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Blackwood - 720 on trial Blackwood - 720 on trial

720

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

26.11.1930Entered service.
9.6.1959WithDrawn
3.960Scrapped - after running 729,376 miles
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721

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

9.1.1931Entered service.
14.4.1960WithDrawn
18.2.1961Scrapped - after running 720,199 miles
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c.1932,locos SAR 722 + 520 in erecting shop - Islington

722

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

16.2.1931Entered service.
19.8.1954Collided with "701" at Manoora.
14.4.1960WithDrawn
8.2.1962Scrapped - after running 666,649 miles
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723

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

29.4.1931Entered service.
9.6.1959WithDrawn
3.960Scrapped - after running 597,085 miles
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c.1951,loco SAR 724 on passenger train in yard - loco F242 coaling - Adelaide

724

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

24.6.1931Entered service.
14.4.1960WithDrawn
18.4.1962Scrapped - after running 681,635 miles
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15.10.1938,loco SAR 725 with valance - Islington

725

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

15.10.1938Entered service.
30.9.1958WithDrawn
30.10.1958Scrapped - after running 433,043 miles
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726

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

10.11.1938Entered service.
14.4.1960WithDrawn
18.5.1962Scrapped - after running 501,977 miles
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727

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

9.12.1938Entered service.
9.6.1959WithDrawn
3.1960Scrapped - after running 484,132 miles
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Adelaide - 728 BTM Picnic train departing No. 1 platform

728

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

17.3.1939Entered service.
9.6.1959WithDrawn
3.1960Scrapped - after running 469,460 miles
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loco SAR 729 + tank wagons

729

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

16.5.1939Entered service.
26.3.1958WithDrawn
3.1960Scrapped - after running 440,715 miles
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730

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

28.6.1939Entered service.
9.6.1959WithDrawn
3.1960Scrapped - after running 452,095 miles
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loco SAR 731 on passenger train - end loading baggage + 7x 800 class cars

731

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

23.5.1942Entered service.
9.6.1959WithDrawn
3.1960Scrapped - after running 433,572 miles
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loco SAR 732 on freight

732

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

11.7.1942Entered service.
9.6.1959WithDrawn
3.1960Scrapped - after running 426,762 miles
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loco SAR 733 side view

733

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

27.8.1942Entered service.
9.6.1959WithDrawn
3.1960Scrapped - after running 454,359 miles
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loco SAR 734 + 8x end loading cars - disused line on right - Sleeps Hill

734

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

25.2.1943Entered service.
26.3.1958WithDrawn
-Equipped with Cyclone front end
3.1960Scrapped - after running 411,094 miles
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20.2.1943. loco SAR 735 - view of workmen constructing loco in workshop - Islington Workshops

735

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

23.6.1943Entered service.
14.4.1960WithDrawn
8.6.1963Scrapped - after running 426,764 miles
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736

South Australian Railways 2-8-4 type broad gauge steam locomotive built at the Islington Workshops, South Australia.

7.8.1943Entered service.
14.4.1960WithDrawn
26.6.1962Scrapped - after running 411,097 miles
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