PRR 6755

Pennsylvania Railroad 6755

6755 on display at the Railroad Museum of Pennsylvania

Type and origin
Power type	Steam
Builder	Altoona Works
Serial number	4255
Build date	June, 1930

Specifications
Configuration	4-8-2
Gauge	4 ft 8 ¹⁄₂ in (1,435 mm)
Driver dia.	72 in (1.829 m)
Adhesive weight	271,000 lb (122.9 t)
Loco weight	385,000 lb (174.6 t)
Tender type	210F75A "Long-haul"
Fuel type	Coal
Fuel capacity	31 t (30.5 long tons; 34.2 short tons)
Water cap	22,020 Gallons
Boiler pressure	270 psi (1.86 MPa)
Feedwater heater	Worthington
Heating surface: • Firebox	397 sq. ft
Cylinders	Two
Cylinder size	27 in × 30 in (686 mm × 762 mm)
Valve gear	Walschearts
Valve type	Piston

Performance figures
Tractive effort	69,711 lbf (310.1 kN)
Factor of adh.	3.89

Career
Operators	Pennsylvania Railroad
Class	M1b
Retired	1957
Current owner	Pennsylvania Historical and Museum Commission
Disposition	Static display


Locomotive No. 6755
U.S. National Register of Historic Places
Show map of Pennsylvania Show map of the US
Nearest city	Strasburg, Pennsylvania
Coordinates	39°58′56″N 76°9′40″W / 39.98222°N 76.16111°W / 39.98222; -76.16111Coordinates: 39°58′56″N 76°9′40″W / 39.98222°N 76.16111°W / 39.98222; -76.16111
Area	less than one acre
Built	1930
Architect	Pennsylvania Railroad
Architectural style	dual service
MPS	Pennsylvania Railroad Rolling Stock TR
NRHP Reference #	01000519^[1]
Added to NRHP	December 17, 1979

Pennsylvania Railroad 6755 is a 4-8-2 "Mountain" type steam locomotive built in 1930 for the Pennsylvania Railroad by the railroad's own Altoona Works as a member of the M1b locomotive class for mainline freight service. Retired from commercial service in 1957, the locomotive was preserved by the Pennsylvania Railroad and was placed on display at the Railroad Museum of Pennsylvania in Strasburg, Pennsylvania. The 6755 is the only M1 class locomotive to have survived into preservation.

History

Main article: PRR M1

The 6755 was built by the Altoona Works in 1930. The 6755 was a class M1a and was used predominantly in freight service, though it would occasionally be used for passenger trains. In 1953, the locomotive went back to the Altoona Works and was rebuilt into a class M1b. The locomotive continued to be used for freight service until January 1957 when it was retired from the roster.

Today

Today, the 6755 is on static display at the Railroad Museum of Pennsylvania in Strasburg, Pennsylvania.^[2] The 6755 has since been deteriorating at a rapid pace, with its boiler jackets removed in the early 2000s prolonged exposure to the elements has wreaked havock on major parts of the locomotive causing structural rust. The 6755 is one of the locomotives the museum plans to place inside the roundhouse currently under construction as of March, 2014.

On display at the Railroad Museum of Pennsylvania
The attached coal tender.

References

↑ National Park Service (2009-03-13). "National Register Information System". National Register of Historic Places. National Park Service.
↑ "Railroad Museum of Pennsylvania". Railroad Museum of Pennsylvania. October 19, 2009. Retrieved 2010-05-02.

Pennsylvania Railroad locomotives

A (0-4-0):	A1 A2 A3 A4 A5s

B (0-6-0):	B1 (s) B2 B3 B4 B5 B6 B7 B8 B1 (e)

C (0-8-0):	C1 C29 C30 C31

D (4-4-0):	D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D21 D22 D23 D24 D25 D26 D30 D31 D32 D33 D34 D35 D36 D37 D38 D39 D61 "Odd D" #10003

E (4-4-2):	E1 E2 E3 E4 E5 E6 E7 E21 E22 E23 E28 de Glehn

F (2-6-0):	F1 F2 F3 F21 F22 F23 F24 F25 F26 F27 F30 F31 F61

G (4-6-0):	G1 G2 G3 G4 G5 G53

H (2-8-0):	H1 H2 H3 H4 H5 H6 H8 H9 H10

I (2-10-0):	I1s

J (2-6-2 and 2-10-4):	J1 J28

K (4-6-2):	K1 K2 K3s K4s K5

L (2-8-2):	L1s L2s L5 L6

M (4-8-2):	M1

N (2-10-2):	N1s N2s

O (4-4-4):	O1

P (4-6-4):	P5

Q (4-6-4-4 and 4-4-6-4):	Q1 Q2

R (4-8-4):	R1

S (6-4-4-6 and 6-8-6):	S1 S2

T (4-4-4-4):	T1

Articulated steam locomotives:	CC1s CC2s HC1s HH1s HH2s

Articulated electric locomotives:	AA1 BB1 BB2 BB3 DD1 DD2 FF1 FF2 GG1

Non-standard:	E2b E2c E3b E44

US National Register of Historic Places in Pennsylvania

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PRR 6755

History

Today

See also

References