Maryland and Pennsylvania Railroad Historical Society

Diesel Locomotives of the
Maryland & Pennsylvania Railroad

M&PA No. 70 EMD SW1 Number: 4162
Built: November, 1946 Acqired: New Retired: May, 1959
Horsepower: 600 Tractive Effort: 48,200 lbs. Weight: 193,150 lbs.
NOTES:
Was sold to A.J. O'Neill and delivered to Republic Steel Company in Canton, Ohio where it became No. 326.
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M&PA No. 80 EMD NW2 Number: 4160
Built: December, 1946 Acqired: New Retired: November, 1959
Horsepower: 1000 Tractive Effort: 61,080 lbs. Weight: 244,310 lbs.
NOTES:
Was sold to Republic Steel Company in Canton, Ohio where it became No. 334.
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M&PA No. 81 EMD NW2 Number: 4161
Built: December, 1946 Acqired: New Retired: May, 1986
Horsepower: 1000 Tractive Effort: 61,110 lbs. Weight: 244,430 lbs.
NOTES:
Was leased to P.H. Glatfelter Company in Spring Grove, Pennsylvania, beginning in January of 1986, and sold to P.H. Glatfelter in May of 1986.
Was donated to the Railroad Museum of Pennsylvania in June of 1997.
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M&PA No. 82 EMD SW9 Number: 15558
Built: November, 1951 Acqired: New Retired: May, 2002
Horsepower: 1200 Tractive Effort: 60,720 lbs. Weight: 246,230 lbs.
NOTES:
Was factory rebuilt in January of 1954 after being involved in a wreck in Oakleigh, Maryland on November 16, 1953.
Placed out of service in Spring of 2000. Retired in May of 2002.
Was sold to the Maryland & Pennsylvania Railroad Preservation Society in August of 2003. Was delivered to Muddy Creek Forks, Pennsylvania by truck on May 25, 2005.
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M&PA No. 83 EMD SC Number: 654
Built: December, 1936 Acqired: December, 1967 Retired: August, 1986
Horsepower: 900 Tractive Effort: ? lbs. Weight: 209,700 lbs.
NOTES:
Was built as Philadelphia, Bethlehem & New England No. 206, model SC, 600 H.P., and sold to the Steelton & Highspire Railroad in January 1947, becoming their No. 23.
Was rebuilt by EMD in September of 1957 with an 8-567C, 900 H.P. engine, making it an SW900M.
Was shipped to the Stewartstown Railroad on June 27, 1986 on lease. Sold to the Stewartstown Railroad in August of 1986, becoming their No. 11.
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M&PA No. 84 EMD SW9 Number: 16330
Built: September, 1952 Acqired: March, 1976 Retired:
Horsepower: 1200 Tractive Effort: 60,720 lbs. Weight: 246,230 lbs.
NOTES:
Was built as Pittsburgh & Lake Erie No. 8952, and renumbered to 1243 in 1972.
Was leased to the Montour Railroad as their No. 85 in 1974-1975.
Was acquired by the Maryland & Pennsylvania Railroad in March of 1976.
Was leased to the Saint Lawrence & Atlantic Railroad in February of 1990, and returned to York in November of 1990.
Was donated to the Friends of the Stewartstown Railroad in March of 2018.
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M&PA No. 85 EMD NW2 Number: 1455
Built: 1941 Acqired: March, 1976 Retired: April, 1986
Horsepower: 1000 Tractive Effort: 61,500 lbs. Weight: 246,000 lbs.
NOTES:
Was built as Reading No. 92.
Was acquired by the Maryland & Pennsylvania Railroad in March of 1976.
Was sold to Agmark Intermodal Systems, Fisherville, Virginia in April of 1986.
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M&PA No. 86 EMD GP7 Number: 18421
Built: May, 1953 Acqired: March, 1976 Retired: See notes
Horsepower: 1500 Tractive Effort: 61,600 lbs. Weight: 246,400 lbs.
NOTES:
Was built as Reading No. 621.
Was acquired by the Maryland & Pennsylvania Railroad in March of 1976. Assigned as No. 86.
Was renumbered as No. 1506 in June of 1991.
Was assigned by Emons to the Penn Eastern, Perkiomen Branch in late April of 1998, where it was apparently never used.
Was retained by John Nolan's newly independent Penn Eastern in 2002.
Acquired by the Reading Company Technical & Historical Society. Relocated to Hamburg, Pennsylvania in February of 2008.
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EPRY No. 99 EMD SW9 Number:
Built: February, 1953 Acqired: April, 1988 Retired:
Horsepower: 1200 Tractive Effort: ? lbs. Weight: ? lbs.
NOTES:
Was built as New York Central (later Conrail) No. 8990.
Was acquired by the Everett Railroad as No. 8990.
Was acquired by the East Penn Railway as No. 99.
Was assigned to York in April of 1998.
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M&PA No. 1500 EMD CF7 Number:
Built: November, 1953 Acqired: July, 1988 Retired:
Horsepower: 1500 Tractive Effort: ? lbs. Weight: ? lbs.
NOTES:
Was built as an F7A for Atchison, Topeka and Santa Fe Railway No. 275-L.
Was rebuilt by ATSF shop in Cleburne, Texas in March of 1978 as CF7 No. 2417. It was the last CF7 built.
Was acquired by the Maryland & Pennsylvania Railroad in July of 1988.
Was changed to Yorkrail No. 1500 in 1997.
Received a 567C engine in January of 2002.
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M&PA No. 1502 EMD CF7 Number:
Built: May, 1950 Acqired: July, 1988 Retired:
Horsepower: 1500 Tractive Effort: ? lbs. Weight: ? lbs.
NOTES:
Was built as an F7A for Atchison, Topeka and Santa Fe Railway No. 330-L.
Was rebuilt by ATSF shop in Cleburne, Texas in January of 1978 as CF7 No. 2426.
Was acquired by the Maryland & Pennsylvania Railroad in July of 1988.
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M&PA No. 1504 EMD CF7 Number:
Built: August, 1951 Acqired: July, 1988 Retired:
Horsepower: 1500 Tractive Effort: ? lbs. Weight: ? lbs.
NOTES:
Was built as an F7A for Atchison, Topeka and Santa Fe Railway No. 261-L.
Was rebuilt by ATSF shop in Cleburne, Texas in January of 1978 as CF7 No. 2425.
Was acquired by the Maryland & Pennsylvania Railroad in July of 1988.
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M&PA No. 1506 EMD CF7 Number:
See M&PA No. 86 above
YKR No. 1750 EMD GP9 Number: 23018
Built: June, 1957 Acqired: October, 1988 Retired:
Horsepower: 1750 Tractive Effort: ? lbs. Weight: ? lbs.
NOTES:
Was built as Baltimore & Ohio (later CSX) No. 6544.
Sold to St. Lawrence & Atlantic Railroad as their No. 50.
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YKR No. 1752 EMD GP9 Number: 23011
Built: June, 1957 Acqired: October, 1988 Retired:
Horsepower: 1750 Tractive Effort: ? lbs. Weight: ? lbs.
NOTES:
Was built as Baltimore & Ohio (later CSX) No. 6537.
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Ykr No. 1754 EMD GP9 Number: 22234
Built: September, 1956 Acqired: October, 1988 Retired:
Horsepower: 1750 Tractive Effort: ? lbs. Weight: ? lbs.
NOTES:
Was built as Baltimore & Ohio (later CSX) No. 6490.
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YKR No. 1756 EMD GP9 Number: 22230
Built: September, 1956 Acqired: October, 1988 Retired: 2000
Horsepower: 1750 Tractive Effort: ? lbs. Weight: ? lbs.
NOTES:
Was built as Baltimore & Ohio (later CSX) No. 6486.
Was placed out of service in late 2000.
Was scrapped in York in November of 2002.
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YRC No. 1600 EMD GP16 Number: 22637
Built: October, 1956 Acqired: August, 1996 Retired:
Horsepower: 1600 Tractive Effort: ? lbs. Weight: ? lbs.
NOTES:
Was built as a GP9 for Seaboard Air Line as their No. 1966.
Became Seaboard Coast Line No. 1039.
Rebuilt to GP16 specifications in October of 1981. Became Seaboard Coast Line No. 4633.
Became CSX Transportation No. 1733.
Acquired by Yorkrail in August of 1996.
Was repainted into Genesee & Wyoming colors on February 22, 2002.
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YRC No. 1602 EMD GP16 Number: 14965
Built: October, 1951 Acqired: August, 1996 Retired:
Horsepower: 1600 Tractive Effort: ? lbs. Weight: ? lbs.
NOTES:
Was built as a GP7 for Atlantic Coast Line as their No. 247.
Became Seaboard Coast Line No. 778.
Rebuilt to GP16 specifications in October of 1981. Became Seaboard Coast Line No. 4769.
Became CSX Transportation No. 1815.
Acquired by Yorkrail in August of 1996.
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YRC No. 1604 EMD GP16 Number: 22628
Built: October, 1956 Acqired: August, 1996 Retired:
Horsepower: 1600 Tractive Effort: ? lbs. Weight: ? lbs.
NOTES:
Was built as a GP9 for Seaboard Air Line as their No. 1957.
Became Seaboard Coast Line No. 1031.
Rebuilt to GP16 specifications in October of 1981. Became Seaboard Coast Line No. 4634.
Became CSX Transportation No. 1734.
Acquired by Yorkrail in August of 1996.
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YRC No. 1606 EMD GP16 Number: 22645
Built: October, 1956 Acqired: August, 1996 Retired:
Horsepower: 1600 Tractive Effort: ? lbs. Weight: ? lbs.
NOTES:
Was built as a GP9 for Seaboard Air Line as their No. 1974.
Became Seaboard Coast Line No. 1045.
Rebuilt to GP16 specifications in October of 1981. Became Seaboard Coast Line No. 4635.
Became CSX Transportation No. 1735.
Acquired by Yorkrail in August of 1996.
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Notes on Diesel Locomotives

The 1945 Annual Report listed Freight Locomotive Miles (other than steam) as 320 miles.

The following diesel locomotives were tested by the M&PA:

Canton Railroad No. 30 (Baldwin Locomotive Works VO 1000) was tested November 14 through 17, 1945. The engine was sold to the Patapsco & Back Rivers Railroad as their No. 32 in 1953, and sold back to Canton Railroad as No. 32 in 1975.

Baltimore & Ohio Railroad No. 401 (EMC NW2) was tested February 4 through 7, 1946. The unit was renumbered to No. 9501 in 1957. This unit is now at the B&O Railroad Museum in Baltimore, Maryland.

Lima-Hamilton demonstrator No. 1001 was tested February 13 through 18, 1950. Unit was sold to Armco Steel and renumbered No. 707.

 

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