The reference for locomotives and railcars


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New South Wales classes C.79, C.80 and CC.79
later classes Z12 and Z13
Australia | 1877 | 68 produced
A locomotive of the C.79 class in its original condition
A locomotive of the C.79 class in its original condition
archive NSWGR
Variantas builtmodernizedrebuilt Z13
ManufacturerBeyer, Peacock & Co., Dübs & Co.Eveleigh Railway Workshops
Axle config4-4-0 (American) 4-4-2T (Atlantic) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase19 ft 6 in26 ft 6 in
Fixed wheelbase8 ft 0 1/2 in
Total wheelbase36 ft 8 in
Service weight87,474 lbs91,056 lbs110,000 lbs
Adhesive weight56,784 lbs59,920 lbs66,000 lbs
Total weight136,698 lbs140,280 lbs
Axle load28,448 lbs30,688 lbs33,000 lbs
Water capacity2,402 us gal1,321 us gal
Fuel capacity11,200 lbs (coal)5,152 lbs (coal)
Power sourcesteam
Estimated power350 hp (261 kW)400 hp (298 kW)375 hp (280 kW)
Optimal speed17 mph18 mph17 mph
Starting effort13,019 lbf14,020 lbf
Power Plant
Driver diameter66 in
Boiler pressure130 psi140 psi
Expansion typesimple
Cylinderstwo, 18 x 24 in
Grate area14.8 sq ft
Firebox area87 sq ft94 sq ft87 sq ft
Tube heating area987 sq ft1,027 sq ft987 sq ft
Evaporative heating area1,074 sq ft1,121 sq ft1,074 sq ft
Total heating area1,074 sq ft1,121 sq ft1,074 sq ft
Calculated Values
steam locomotive
last changed: 10 2023

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