Pennsylvania Railroad class HH1s

Specifications
Specifications
Configuration:;
• Whyte	2-8-8-2
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Fuel type	Coal
Firebox:
• Type	wagon-top
Cylinders	Four
Valve gear	Walschaerts
Valve type	Piston

Type and origin
Type and origin
Power type	Steam
Designer	Francis Cole
Builder	ALCO
Build date	1911

HH1s class
HH1s class
	Postcard depiction of Pennsylvania Railroad #3396.
Power type
Type and origin
Power type	Steam
Designer	Francis Cole
Builder	ALCO
Build date	1911
Configuration:;
Specifications
Configuration:;
• Whyte	2-8-8-2
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Fuel type	Coal
Firebox:
• Type	wagon-top
Cylinders	Four
Valve gear	Walschaerts
Valve type	Piston
Operators
Career
Operators	Pennsylvania Railroad
Class	HH1s
Numbers	3396
Retired	1928
Disposition	scrapped

The Pennsylvania Railroad's class HH1s comprised a single 2-8-8-2 type steam locomotive.^[2] Unlike most Pennsylvania Railroad steam locomotives, it had a wagon-top boiler. It was built by the American Locomotive Company (ALCO) in 1911. For 17 years, the single HH1s served as a helper until 1928. It had the road number 3396 and was subsequently scrapped after it was taken out of service in 1928.

References

^ Withuhn, William L. (1 March 2019). American Steam Locomotives: Design and Development, 1880–1960. Indiana University Press. ISBN 978-0-253-03934-7. Retrieved 27 November 2024.
^ Drury, George H., ed. (1993). Guide to North American steam locomotives. Kalmbach Books. ISBN 978-0-89024-206-3. Retrieved 27 November 2024.

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[1] Withuhn, William L. (1 March 2019). American Steam Locomotives: Design and Development, 1880–1960. Indiana University Press. ISBN 978-0-253-03934-7. Retrieved 27 November 2024.

[2] Drury, George H., ed. (1993). Guide to North American steam locomotives. Kalmbach Books. ISBN 978-0-89024-206-3. Retrieved 27 November 2024.

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