| New South Wales 44 class |
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| Type and origin |
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| Power type | Diesel-electric |
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| Builder | AE Goodwin, Auburn |
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| Serial number | Alco 82807 to 82912
Alco 83731 to 83750
Alco G-3421-01 to G-3421-40 |
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| Model | Alco DL-500B |
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| Build date | 1957–1967 |
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| Total produced | 100 |
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| Specifications |
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Configuration:
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| • UIC | Co-Co |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
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| Wheel diameter | 40 in (1,016 mm) |
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| Length | Over headstocks:
55 ft 5 in (16.89 m),
Over coupler pulling faces:
58 ft 5 in (17.81 m) |
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| Width | 9 ft 4 in (2.84 m) |
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| Height | Max: 13 ft 10 in (4.22 m) |
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| Axle load | First 60, GE t/m:
18 long tons 14 cwt (41,900 lb or 19 t),
First 60, AEI t/m:
17 long tons 14 cwt (39,600 lb or 18 t),
Last 40:
18 long tons 8 cwt (41,200 lb or 18.7 t) |
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| Loco weight | First 60, GE t/m: 112 long tons 1 cwt (251,000 lb or 113.8 t),
First 60, AEI t/m: 106 long tons 3 cwt (237,800 lb or 107.9 t),
Last 40: 110 long tons 3 cwt (246,700 lb or 111.9 t) |
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| Fuel type | Diesel fuel |
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| Fuel capacity | 1,200 imp gal (5,500 L; 1,400 US gal) |
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| Lubricant cap. | 170 imp gal (770 L; 200 US gal) |
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| Coolant cap. | 220 imp gal (1,000 L; 260 US gal) |
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| Sandbox cap. | 16 cu ft (0.45 m3) |
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| Prime mover | Alco 251B |
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| RPM range | 400–1000 |
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| Engine type | Four-stroke V12 diesel |
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| Aspiration | Turbocharged |
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| Generator | First 60:General Electric 5GT581
Last 40 Associated Electrical Industries 5302 |
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| Traction motors | First 60: GE 731 or AEI 253 AZ or AEI 254 AZ,
Last 40: AEI 254 BY |
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| Cylinders | 12 |
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| Cylinder size | 9 in × 10.5 in (229 mm × 267 mm) |
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| Performance figures |
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| Maximum speed | First 60, GE t/m:
80 mph (129 km/h),
First 60, AEI t/m:
75 mph (121 km/h),
Last 40:
80 mph (129 km/h) |
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| Power output | Gross: 1,950 hp (1,450 kW),
For traction:
1,800 hp (1,340 kW) |
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| Tractive effort | Continuous: First 60, GE t/m: 47,100 lbf (209.51 kN)
at 11.5 mph (18.5 km/h),
First 60, AEI t/m:
40,500 lbf (180.15 kN)
at 13.7 mph (22.0 km/h),
Last 40: 44,000 lbf (195.72 kN)
at 12.9 mph (20.8 km/h) |
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| Career |
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| Operators | NSW Department of Railways |
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| Number in class | 100 |
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| Numbers | 4401–44100 |
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| First run | 8 July 1957 |
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| Preserved | 4401, 4403, 4420, 4464, 4465, 4472, 4473, 4486, 4490 |
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| Disposition | 9 preserved, 2 stored, 2 operational, 87 scrapped |
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