Chesapeake and Ohio class K-4

Chesapeake & Ohio K-4

K-4 class no. 2755 in Chief Logan State Park
Type and origin
Power type Steam
Builder
Build date 1943–1947
Total produced 90
Specifications
Configuration:
 ​
 • Whyte 2-8-4
 • UIC 1′D2 h2
Gauge 4 ft 8 1⁄2 in (1,435 mm)
Driver dia. 69 in (1.753 m)
Fuel type Coal
Fuel capacity 30 short tons (27 t)
Water cap 21,000 US gal (79,000 l; 17,000 imp gal)
Firebox:
 • Firegrate area		 90.3 sq ft (8.39 m2)
Boiler pressure 245 lbf (1.09 kN)
Heating surface 4,773 sq ft (443.4 m2)
 • Firebox 462 sq ft (42.9 m2)
Superheater 1,932 sq ft (179.5 m2)
Cylinders Two, outside
Cylinder size 26 in × 34 in (660 mm × 864 mm)
Valve gear Baker
Career
Operators Chesapeake and Ohio Railway
Numbers 2700–2789
Retired 1952–1957
Preserved 2700, 2705, 2707, 2716, 2727, 2732, 2736, 2755, 2756, 2760, 2776, 2789
Disposition 12 preserved, remainder scrapped

The Chesapeake and Ohio Railway's K-4 class were a group of ninety 2-8-4 steam locomotives purchased during and shortly after World War II. Unlike many other railroads in the United States, the Chesapeake and Ohio chose to nickname this class "Kanawha," after the river in West Virginia, rather than "Berkshire," after the region in New England.

Several survive today, including at the National Railroad Museum, Science Museum of Virginia, Chief Logan State Park, and B&O Railroad Museum

References

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