Pere Marquette Class N-1

Pere Marquette Class N-1
1225 on the Chesapeake & Ohio Railroad in 1957.
Railway(s)	Pere MarQuette Railway Chesapeake and Ohio Railway (Post-PM Merger)
Technical specifications
Type	2-8-4 "Berkshire"
Designer(s)	Oris Paxton Van Sweringen Mantis James Van Sweringen
Manufacturer(s)	Lima Locomotive Works
Build date	October to November 1941
Total produced	Twelve
Classification	N-1
Model	Van Sweringen Berkshire
Wheel arrangement	2-8-4
Dia. of Drivers	69"
Weight	802,500 Lbs. (Both engine and tender)
Rail gauge	Standard gauge
Valve gear	Baker
Valves	Piston Valves
Cylinders	26" x 34"
Boiler type	Radial-Stay
Boiler pressure	245 Lbs. PSI.
Superheater	Schmidt with Worthington Feedwater heater
Firegrate area	90.3 Sq ft.
Fuel type	Coal
Fuel capacity	20 Tons of Coal and 22,000 Gallons of Water.
Braking	Westinghouse
Performance figures
Maximum speed	70 Miles per hour (Maximum)
Tractive effort	69,368 Lbs. TE.
Factor of adhesion	4.00
Service information
Entered service	All by December 1941.
Operator(s)	Pere MarQuette Railway Chesapeake and Ohio Railway
Running numbers	PM #1216 to #1227 C&O #2650 to #2661
Nickname(s)	"Berkshires"
Liveries	All Black with Whitewall wheels, White trim and rods, Red cab windows, Graphite grey Smokebox cover and Yellow lettering/numbering.
Scrapped	Most scrapped before 1959.
Disposition details
Retired	Between January 1952 and January 1958.
Preserved	Two
Disposition	Two preserved (Numbers #1223 and #1225), Remainder scrapped.

The Pere Marquette Class N-1 locomotives are 2-8-4 "Berkshire" types that were built by the Lima Locomotive Works in the early 1940's. 1225 and 1223 were built in Late 1941 and are the last surviving Pere Marquette steam locomotives in the world. It was also in the book with the same title. The speed for the Class N-1 is 70 Miles an Hour. 1223 remains on display in Grand Haven, Michigan.

Trivia

• In 2004, No. 1225 made an appearance in the Christmas tale adapted Movie The Polar Express.

Stock list

Photograph	Loco No.	Build date	Operators	Status
Frameless	1216	October 1941	Pere Marquette Railway Chesapeake and Ohio Railway	Scrapped by 1958
Frameless	1217	October 1941	Pere Marquette Railway Chesapeake and Ohio Railway	Scrapped by 1958
Frameless	1218	October 1941	Pere Marquette Railway Chesapeake and Ohio Railway	Scrapped by 1958
Frameless	1219	October 1941	Pere Marquette Railway Chesapeake and Ohio Railway	Scrapped by 1958
Frameless	1220	October 1941	Pere Marquette Railway Chesapeake and Ohio Railway	Scrapped by 1958
Frameless	1221	October 1941	Pere Marquette Railway Chesapeake and Ohio Railway	Scrapped by 1958
	1222	October 1941	Pere Marquette Railway Chesapeake and Ohio Railway	Scrapped by 1958
	1223	October 1941	Pere Marquette Railway Chesapeake and Ohio Railway	Displayed at Grand Haven, Michigan.
Frameless	1224	October 1941	Pere Marquette Railway Chesapeake and Ohio Railway	Scrapped by 1958
	1225	October 1941	Pere Marquette Railway Chesapeake and Ohio Railway	Preserved
Frameless	1226	November 1941	Pere Marquette Railway Chesapeake and Ohio Railway	Scrapped by 1958
	1227	November 1941	Pere Marquette Railway Chesapeake and Ohio Railway	Scrapped by 1958