Pennsylvania Railroad class D15

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The class D15 (class T, pre 1895) of the Pennsylvania Railroad comprised a solitary Lindner-system cross compound steam locomotive of 4-4-0 "American" wheel arrangement in the Whyte notation. The sole locomotive was #1515, built in 1892 at the PRR's Altoona Shops. It was British in appearance with a full-length footplate, splashers, a six-wheel tender, and large 84 in (2,134 mm) drivers.[3] It was built in 1892 by the PRR's Altoona Works, and remained in service until it was retired and scrapped in November 1905.

PRR D15
PRR #1515 in its official builders' portrait.
Type and origin
Power typeSteam
BuilderPRR Altoona Shops[1]
Build date1892[1]
Total produced1
Specifications
Configuration:
 • Whyte4-4-0
 • UIC2′B nv2
Gauge4 ft 8+12 in (1,435 mm)
Leading dia.42 in (1,067 mm)[2]
Driver dia.84 in (2,134 mm)[2]
WheelbaseCoupled: 8 ft 0 in (2.44 m),
Loco: 27 ft 9+14 in (8.46 m),
Loco & tender: 48 ft 1 in (14.66 m)[2]
Length59 ft 7.8 in (18,181 mm)[2]
Height14 ft 11.5 in (4,559 mm)[2]
Axle load48,500 lb (22.0 tonnes)[2]
Adhesive weight84,000 lb (38.1 tonnes)[2]
Loco weight145,500 lb (66.0 tonnes)[2]
Total weight222,500 lb (100.9 tonnes)[2]
Fuel typeSoft coal
Fuel capacity15,000 lb (6.8 tonnes)[2]
Water cap.3,000 US gal (11,000 L; 2,500 imp gal)[2]
Firebox:
 • Grate area30 sq ft (2.8 m2)[2]
Boiler pressure205 lbf/in2 (1.41 MPa)
Heating surface:
 • Firebox163 sq ft (15.1 m2)[2]
 • Tubes1,662 sq ft (154.4 m2)[2]
 • Total surface1,825 sq ft (169.5 m2)[2]
Cylinders2 (Lindner compound)
High-pressure cylinder19.5 in × 28 in (495 mm × 711 mm)
Low-pressure cylinder31 in × 28 in (787 mm × 711 mm)
Valve gearStephenson
Performance figures
Tractive effort20,800 lbf (92.52 kN)
Factor of adh.4.04
Career
OperatorsPennsylvania Railroad
ClassD15
Number in class1
Numbers1515
Retired1905

References

edit
  1. ^ a b Chamberlin, Clint. "PRR Steam Roster". Northeast Rails. Retrieved 2007-12-30.
  2. ^ a b c d e f g h i j k l m n o Pennsylvania Railroad. "PRR D15 diagram". PRR.Railfan.net. Retrieved 2007-12-30.
  3. ^ Staufer, Alvin F. & Pennypacker, Bert (1962). Pennsy Power: Steam And Electric Locomotives of the Pennsylvania Railroad 1900–1957. Staufer. LCCN 62020878.