Baldwin 60000

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Baldwin 60000
Baldwin 60000 locomotive - Franklin Institute - DSC06720.JPG
Baldwin 60000 in the Franklin Institute
Type and origin
Power type Steam
Builder Baldwin Locomotive Works
Serial number 60000
Model 16-3-48/48-1/4-F
Build date 1926
Configuration 4-10-2
UIC classification 2′E1′ hv3
Gauge 4 ft 8 12 in (1,435 mm) standard gauge
Leading wheel
33 in (838 mm)
Driver diameter 63.5 in (1,613 mm)
Trailing wheel
45.5 in (1,156 mm)
Weight on drivers 338,400 lb (153,500 kg)
Locomotive weight 457,500 lb (207,500 kg)
Locomotive and tender
combined weight
700,900 lb (317,900 kg)
Fuel type Coal (Briefly converted to oil)
Fuel capacity 32,000 lb (15,000 kg; 15 t)
Water capacity 12,000 US gallons (45,000 l; 10,000 imp gal)
Boiler pressure 350 psi (2.41 MPa)
Firegrate area 82.5 sq ft (7.66 m2)
Heating surface:
– Tubes and flues
5,192 sq ft (482.4 m2)
– Firebox 745 sq ft (69.2 m2)
Superheater area 1,357 sq ft (126.1 m2)
Cylinders Center: 1 HP
Outside: 2 LP
cylinder size
27 in × 32 in (686 mm × 813 mm)
cylinder size
27 in × 32 in (686 mm × 813 mm)
Valve type 14 in (356 mm) piston valves
Performance figures
Maximum speed 70 mph (110 km/h)
Power output 4,515 hp (3.37 MW)
Tractive effort 82,500 lbf (367.0 kN)
Operator(s) Baldwin Locomotive Works
Retired Stored: 1928,
Sold: 1933
Current owner Franklin Institute Science Museum
Disposition Display - moves back and forth 15 feet (4.6 m) on a short track powered by hydraulics

Baldwin 60000 is an experimental steam locomotive built by the Baldwin Locomotive Works in Eddystone, Pennsylvania in 1926, during the height of the railroading industry. It received its number for being the 60,000th locomotive built by Baldwin.[1]

It was designed to be the best locomotive that Baldwin ever made. It boasts three cylinders, weighed about 350 short tons (318 t; 313 long tons), including tender, and can pull a load of up to 7,000 short tons (6,400 t; 6,200 long tons). Its top speed is 70 mph (110 km/h).[citation needed]

60000 was very innovative, carrying unusual technology, including a water-tube firebox. This was intended to improve efficiency but the tubes tended to burst inside the firebox. It is also a compound, expanding the steam once in the inside cylinder and then again in the two outside cylinders. Although compounding increased efficiency, it was an extra complication that the US railroads had mostly rejected by the middle twenties.[2] Also, the weight and length of the engine was too much for all but the heaviest and straightest track.[citation needed]

This locomotive was experimental and was meant to be the model for future development. However, its demonstration runs never persuaded railroads to purchase more and in 1933, it was purchased by the Franklin Institute Science Museum for $1[citation needed] and remains there today.


  1. ^ "Baldwin 60000". Loco Locomotive gallery. 
  2. ^ C.B. Peck (ed.). 1950-52 Locomotive Cyclopedia of American Practice. New York: Simmons-Boardman. pp. 500–538.  Of 102 locomotives listed in detail, only 2 were compound, the N&W Y6 and the C&O H-6.