Natchez, Urania & Ruston 2-8-0 "Consolidation" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 3 (Locobase 15346)

Data from DeGolyer, Vol 78 pp. 16+. See also Mississippi Rails' account of the NU&R at, last accessed 7 August 2013. Works number was 58496 in June 1925.

Originally ordered by the Central Cespedes from Baldwin Havana's stock, the oil-burning plantation Consolidation #3 was instead sold to locomotive rebuilder/reseller Birmingham Rail & Locomotive. The engine languished on BR&L's books (but in Baldwin custody) for an exceptional nine years. During that period, the 3 was converted to coal firing in 1931. Baldwin removed the oil-firing equipment and sent it to the BR&L. This was in preparation for delivery to the Tuskegee Railroad

Finally, on 13 April 1934, BR&L found a buyer in this Louisiana short line. According to Mississippi Rails, the NU&R traveled for 20 miles (32.2 km) over rolling terrain on 52 lb/yard (26 kg/metre) relay rail (rail reused after service elsewhere) and 35 lb. (17.5 kg/metre) new rail. By the time the 3 reached the railroad, however, it had shrunk to 6.5 miles (10.5 km).

Later the engine went to the Central Maceo in Cuba. When the 1959 Revolucion resulted in the expropriation of private property, the central was renamed for Antonio Maceo and the 3 2was renumbered 1756.

Specifications by Steve Llanso of Sweat House Media
Locobase ID15346
RailroadNatchez, Urania & Ruston
Number in Class1
Road Numbers3
Number Built1
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase14.25'
Engine Wheelbase21.58'
Ratio of driving wheelbase to overall engine wheebase 0.66
Overall Wheelbase (engine & tender)51.75'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers108000 lbs
Engine Weight121000 lbs
Tender Light Weight114000 lbs
Total Engine and Tender Weight235000 lbs
Tender Water Capacity5000 gals
Tender Fuel Capacity (oil/coal)2500 gals
Minimum weight of rail (calculated)45 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter44"
Boiler Pressure170 psi
Cylinders (dia x stroke)18" x 24"
Tractive Effort25537 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.23
Heating Ability
Firebox Area133 sq. ft
Grate Area27.80 sq. ft
Evaporative Heating Surface1533 sq. ft
Superheating Surface
Combined Heating Surface1533 sq. ft
Evaporative Heating Surface/Cylinder Volume216.88
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation4726
Same as above plus superheater percentage4726
Same as above but substitute firebox area for grate area22610
Power L13877
Power MT316.57

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