Boston and Maine 3713

Boston and Maine 3713
Boston and Maine 3713 at Steamtown
Type and origin Power type Steam Builder Lima Locomotive Works Serial number 7625 Build date December 1934
Specifications Configuration: ​  • Whyte 4-6-2  • UIC 2′C1′ n2 Gauge 4 ft 8 1⁄2 in (1,435 mm) Driver dia. 80 in (2.032 m) Wheelbase 77.58 ft (23.646 m) Adhesive weight 81,000 lb (36.7 tonnes) Fuel type Coal Fuel capacity 18.5 short tons (16.8 t) Water cap 12,000 US gallons (45,000 l; 10,000 imp gal) Boiler pressure 260 lbf/in2 (1.79 MPa) Feedwater heater Coffin Heating surface:  • Firebox 320 sq ft (30 m2) Cylinders Two Cylinder size 23 in × 28 in (584 mm × 711 mm) Valve gear Walschaerts Valve type Piston valves
Performance figures Tractive effort 40,900 lbf (182 kN)
Career Operators Boston and Maine Railroad (1934–1958) Class P-4a Numbers 3713 Official name Constitution Locale New England Delivered December 1934 Retired 1958 Current owner Steamtown National Historic Site Disposition Under full restoration to operational condition at Steamtown National Historic Site.

Boston and Maine 3713 is a P-4a class 4-6-2 Pacific type steam locomotive built by the Lima Locomotive Works for the Boston and Maine Railroad in December 1934. This locomotive is currently being rebuilt to working condition at Steamtown National Historic Site. It is the focus of Project3713, a partnership between the National Park Service and the Lackawanna & Wyoming Valley Railway Historical Society.

External links

• Project 3713
• Boston & Maine 3713