Pennsylvania Railroad class J28

Specifications
Configuration:;
• Whyte	2-6-2
Gauge	4 ft 8 1⁄2 in (1,435 mm)
Driver dia.	80 in (2,000 mm)
Wheelbase:; • Engine	34 ft 3 in (10,440 mm)
Total weight	377,500 lb (171,200 kg)
Fuel type	coal
Fuel capacity	13.5 tons
Water cap	7,000 imp gal (32,000 l; 8,400 US gal)
Firebox:; • Firegrate area	54 sq ft (5.0 m2)
Heating surface:; • Firebox	89 sq ft (8.3 m2)
Valve gear	#7453: Stephenson; #2761: Walschaerts

Type and origin
Power type	Steam
Builder	Alco-Schenectady
Build date	1905
Total produced	2

PRR Class J28
Type and origin
Power type	Steam
Builder	Alco-Schenectady
Build date	1905
Total produced	2
Specifications
Configuration:;
• Whyte	2-6-2
Gauge	4 ft 8 1⁄2 in (1,435 mm)
Driver dia.	80 in (2,000 mm)
Wheelbase:; • Engine	34 ft 3 in (10,440 mm)
Total weight	377,500 lb (171,200 kg)
Fuel type	coal
Fuel capacity	13.5 tons
Water cap	7,000 imp gal (32,000 l; 8,400 US gal)
Firebox:; • Firegrate area	54 sq ft (5.0 m2)
Heating surface:; • Firebox	89 sq ft (8.3 m2)
Valve gear	#7453: Stephenson; #2761: Walschaerts
Performance figures
Maximum speed	45-65 Mph
Tractive effort	27,504 lbf
Career
Operators	Pennsylvania Railroad
Class	J28
Number in class	2
Numbers	7453, 2761
Locale	Northeastern United States
Retired	1921 (1) 1924 (1)
Disposition	Scrapped

The Pennsylvania Railroad's class J28 comprised 2 experimental 2-6-2 "Prairie" type steam locomotives.

History

In 1905, the Pennsylvania Railroad needed a better steam locomotive, than the class E 4-4-2 "Atlantic" type. So, the railroad ordered two 2-6-2s from Alco-Schenectady. They were tested extensively and failed in railroad service. But, they were still on the roster in the late 1920s.

Specifications

The two J28s had 80 inch drivers and a 34.25 foot engine wheelbase. Engine #7453 had inboard piston valves and Stephenson valve gear, while #2761 had outside piston valves and Walschaerts valve gear. They each weighed 377,500 pounds with the tender. They had 27,504 pounds of tractive effort. They had 89 square feet (8.3 m²) of firebox space. They had a grate area of 54 square feet (5.0 m²). They could hold 7,000 gallons of water and 13.5 tons of coal. Despite these specifications and more, the J28 was not a powerful enough Pennsylvania Railroad locomotive.

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