The reference for locomotives and railcars


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Queensland Railways class PB15
Australia | 1899 | 233 produced
No. 591 in 1912 with crew
No. 591 in 1912 with crew
Toowoomba Foundry Company
Variantas builtincreased boiler pressure
ManufacturerEvans, Anderson, Phelan & Co, North Ipswich, Kitson & Co., Toowoomba Foundry, Walkers
Axle config4-6-0 (Ten-wheeler) 
Gauge3 ft 6 in (Cape gauge)
Dimensions and Weights
Length47 ft 6 1/16 in
Wheelbase18 ft 10 in
Fixed wheelbase9 ft 9 in
Service weight71,791 lbs
Adhesive weight52,527 lbs
Total weight126,089 lbs
Axle load17,919 lbs
Water capacity2,906 us gal
Fuel capacity8,818 lbs (coal)
Power sourcesteam
Estimated power300 hp (224 kW)315 hp (235 kW)
Optimal speed16 mph
Top speed40 mph
Starting effort11,953 lbf12,750 lbf
Power Plant
Driver diameter48 in
Boiler pressure150 psi160 psi
Expansion typesimple
Cylinderstwo, 15 x 20 in
Grate area13.1 sq ft
Firebox area80 sq ft
Tube heating area792 sq ft
Evaporative heating area872 sq ft
Total heating area872 sq ft
Calculated Values
steam locomotive
last changed: 08 2023

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