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Leopoldina No. 306 to 333
Brazil | 1926
28 produced
flickr/Historical Railway Images

The first superheated Pacifics the meter gauge Leopoldina received were numbers 306 to 315. They were delivered by Beyer, Peacock & Co. in 1925. Ten and eight more followed in 1927 and 1928, respectively, bringing the total to 28.

They had a Belpaire firebox that burned wood. Despite the small driving wheel diameter of only five feet, they were used for express and night trains. Their use in this role only ended with the introduction of diesel traction. Number 327 has been preserved to this day and pulled tourist trains in different regions.

General
Built1926-1928
ManufacturerBeyer, Peacock & Co.
Axle config4-6-2 (Pacific) 
Gauge3 ft 3 3/8 in (Meter gauge)
Dimensions and Weights
Length56 ft 10 7/8 in
Wheelbase25 ft 5 in
Rigid wheelbase9 ft 6 in
Total wheelbase46 ft 9 in
Service weight101,287 lbs
Adhesive weight66,134 lbs
Total weight158,966 lbs
Axle load22,399 lbs
Water capacity1,341 us gal
Fuel capacity8,960 lbs (wood)
Boiler
Grate area17.7 sq ft
Firebox area113 sq ft
Tube heating area917 sq ft
Evaporative heating area1,030 sq ft
Superheater area147 sq ft
Total heating area1,177 sq ft
Power Plant
Driver diameter50 in
Boiler pressure170 psi
Expansion typesimple
Cylinderstwo, 17 x 22 in
Power
Power sourcesteam
Estimated power700 hp (522 kW)
Optimal speed24 mph
Starting effort18,375 lbf
Calculated Values
steam locomotive
express
last changed: 01/2024
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