New South Wales 81 class locomotive

New South Wales 81 class
Pacific National 8169 and 8137 at Temora
in November 2011
Type and origin
Power typeDiesel-electric
BuilderClyde Engineering, Kelso
Serial number82-1020 to 82-1034
83-1035 to 83-1058
84-1059 to 84-1082
85-1083 to 85-1099
91-1278 to 91-1281
ModelEMD JT26C-2SS
Build date1982–1985, 1991
Total produced83
Specifications
Configuration:
​
 • UICCo-Co
Gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
Wheel diameter1,016 mm (40 in)
LengthOver headstocks:
19.760 m (64 ft 10 in),
Over coupler pulling faces:
21.156 m (69 ft 4+7⁄8 in)
Width2,968 mm (9 ft 8+7⁄8 in)
Height4,267 mm (14 ft 0 in)
Axle load21.5 t
(21.2 long tons; 23.7 short tons)
Loco weight129 t
(127.0 long tons; 142.2 short tons)
Fuel typeDiesel
Fuel capacity6,600 L
(1,450 imp gal; 1,740 US gal)
Lubricant cap.920 L (202 imp gal; 243 US gal)
Coolant cap.1,117 L
(246 imp gal; 295 US gal)
Sandbox cap.0.475 m3 (16.8 cu ft)
Prime moverEMD 16-645E3B
RPM range318–904
Engine typeTwo-stroke V16 diesel
AspirationTurbocharged
AlternatorEMD AR16
Traction motorsEMD D77, 6 of
Cylinders16
Cylinder size229 mm × 254 mm
(9.0 in × 10.0 in)
TransmissionElectric
MU workingEquipped
Loco brakeAir And Dynamic Brake
Train brakesAir
Safety systemsDeadman Switch
Performance figures
Maximum speed115 km/h (71 mph)
Power outputGross:
2,460 kW (3,300 hp)
For traction:
2,240 kW (3,000 hp)
Tractive effortContinuous:
337.00 kN (75,761 lbf)
at 19.2 km/h (11.9 mph)
Career
OperatorsPacific National
Number in class83
Numbers8101–8184
Delivered1982
First run29 October 1982
Last runOct 1991
Current ownerPacific National
Disposition83 in service, 1 scrapped

The 81 class are a class of diesel locomotives built by Clyde Engineering, Kelso for the State Rail Authority.

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