WAGR M class (diesel)

Western Australian Government Railways M/MA class
MA1862 & M1851 at Forrestfield in March 1986
Type and origin
Power typeDiesel-hydraulic
BuilderWalkers Limited, Maryborough
ModelGH500V
Build date1972–1973
Total producedM: 2
MA: 3
Specifications
Configuration:
​
 • AARB-B
 • UICB'B'
Gauge1,067 mm (3 ft 6 in)
Loco weightM: 53.8 tonnes (53.0 long tons; 59.3 short tons)
MA: 44.7 tonnes (44.0 long tons; 49.3 short tons)
Fuel typeDiesel
Prime moverM: Cummins VTA 1710L
MA: Caterpillar D379B
TransmissionVoith L4R4U2
MU workingM: none
MA: within class.
Performance figures
Maximum speed45 mph (72 km/h)
Power outputM: 450 kW (600 hp)
MA: 520 kW (700 hp)
Tractive effort109 kN (25,000 lbf)
Career
OperatorsWestern Australian Government Railways
Number in classM: 2
MA: 3
NumbersM1851–M1852
MA1861–MA1863
First run1972

The M/MA class are a class of diesel-hydraulic locomotives built by Walkers Limited, Maryborough for the Western Australian Government Railways in 1972–1973.

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