Lima LS-1200

LS-1200

Type and origin
Power type	Diesel
Builder	Lima Locomotive Works
Model	A-3170 (LS-1200)
Build date	May 1950 – August 1951
Total produced	69

Specifications
AAR wheel arr	B-B
UIC class	Bo′Bo′
Gauge	4 ft 8 ¹⁄₂ in (1,435 mm)
Wheelbase	8 feet
Loco weight	250,500 lb (113.6 t)
Prime mover	Hamilton T-89-SA
Engine type	4-stroke diesel
Aspiration	Turbocharged
Displacement	6,107 cu in (100.08 l)
Cylinders	Inline 8
Cylinder size	9 in × 12 in (229 mm × 305 mm)
Transmission	DC generator, DC traction motors
Loco brake	Straight air
Train brakes	Air

Performance figures
Maximum speed	60 mph (97 km/h)
Power output	1,200 hp (895 kW)
Tractive effort	74,508 lbf (331.4 kN)

Career
Locale	North America

The LS-1200 is a diesel-electric switching locomotive built between May 1950 and August 1951, by Lima Locomotive Works of Lima, Ohio, United States. Lima's original design was the LS-1000, a 1,000 hp (750 kW) switcher, which became the standard for Lima's designs. A 660 hp (490 kW) switcher had also been designed, but none were built. By changing fuel rack settings, the LS-1000 was upgraded to the LS-1200, producing 1,200 horsepower (890 kW) from a turbocharged Hamilton T-89-SA four-stroke, eight cylinder inline diesel engine, a Westinghouse generator and 4 Westinghouse traction motors provided the 74,508 lbf (331.43 kN) of tractive effort.

Lima-Hamilton did not assign model numbers to their models but referred to them by specification numbers. Model designations such as LS-1200 were a railfan invention. Lima-Hamilton assigned A-3170 as the specification number for this particular unit.

Original owners

Owner	Quantity	Road Numbers
Armco Steel	3	710, E109, E110
Baltimore & Ohio Railroad	24	320–329, 340–353
Erie Railroad	6	660–665
Chicago River and Indiana Railroad (New York Central Railroad)	6	8406–8411
New York, New Haven and Hartford Railroad	10	630–639
New York, Chicago and St. Louis Railroad (Nickel Plate Road)	4	309–312
Terminal Railroad Association of St. Louis	6	1200–1205
Wabash Railroad	10	401–406, 408–411
	69

Preservation

Two LS1200 are preserved:

ARMCO Steel E-110, the final locomotive produced by Lima- Hamilton, at the Illinois Railway Museum.
Baltimore and Ohio 320, at the Whitewater Valley Railroad.

References

Kirkland, John F. (November 1985). The Diesel Builders Volume 1: Fairbanks-Morse and Lima-Hamilton. Interurban Press. ISBN 0-916374-69-6.
Hirsimaki, Eric (1986). Lima – the History. Hundman Publishing Inc.
"The Yard Limit - Lima". Retrieved March 9, 2009.

External links

Diesel-electric locomotives built by the Lima Locomotive Works

Switchers	LS-750 LS-800 LS-1000 LS-1200

Road switchers	LRS-1200

Transfer units	LT-2500

(See also: List of Lima-Hamilton diesel locomotives)

Diesel-electric switcher locomotives

Alco	ALCO Boxcab ALCO 600 HH600 HH660 HH900 HH1000 S-1 S-2 S-3 S-4 S-5 S-6 T-6 SB-8/SSB-9

Baldwin	VO-660 DS-4-4-660 DS-4-4-750 S-8 RS-4-TC VO-1000 DS-4-4-1000 S-12

Fairbanks-Morse	H-10-44 H-12-44 H-12-44TS H-12-46

GE	60-ton boxcab 100-ton boxcab 600-hp centercab 1000-hp centercab DEY-2 EN-6 25-ton 35-ton 43-ton 44-ton 45-ton 50-ton 60-ton 65-ton 70-ton 80-ton 95-ton 100-ton 110-ton 125-ton 126-ton 128-ton 1800-hp transfer 2000-hp transfer U5B U6B

GM/EMD	SC, SW, NC, NC1, NC2, NW, NW1, NW1A, NW4, T NW2 NW3 NW5 TR1 SW1 SW7 SW8 SW9 SW600 SW900 SW1000 SW1001 SW1200 SW1500 SW1504 MP15DC MP15AC MP15T RS1325 GMD1

Lima-Hamilton	LS-750 LS-800 LS-1000 LS-1200

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