Lima 750 and 800 hp switchers

Lima LS-750 and LS-800

Cincinnati Union Terminal railroad number 25, a Lima LS-750 (A-3149)

Type and origin
Power type	Diesel-electric
Builder	Lima Locomotive Works
Model	A-3149 (LS-750) A-3171 (LS-800)
Build date	November 1949 – June 1951
Total produced	LS-750: 6 LS-800: 23

Specifications
AAR wheel arr	B-B
UIC class	Bo′Bo′
Gauge	4 ft 8½ in (1435 mm)
Prime mover	Hamilton T69SA
Engine type	4-stroke diesel
Aspiration	Turbocharged
Displacement	4,580 cu in (75.1 l)
Cylinders	Inline 6
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
Power output	750 hp (559 kW) or 800 hp (597 kW)

Career
Locale	United States

The Lima 750 and 800 hp switchers were diesel-electric switching locomotives built between November 1949 and June 1951, by Lima Locomotive Works of Lima, Ohio, U.S.A.. The LS-750 is a 750 horsepower (560 kW) switcher. It was later upgraded to 800 hp (600 kW) by changing fuel rack settings. Both models used the same turbocharged Hamilton T-69-SA four-stroke, six cylinder inline diesel engine, a Westinghouse generator and 4 Westinghouse traction motors.

All six LS750s were sold to a single railroad, with two being sold after the LS-800 had been introduced. The 23 LS-800s were sold to just two railroads.

Lima-Hamilton did not assign model numbers to their models but referred to them by specification numbers. Model designations such as LS-750 or LS-800 were a railfan invention. Lima-Hamilton assigned A-3149 as the specification number for the 750 hp model, and A-3171 as the specification number for the 800 hp model.

Original owners

LS-750

Railroad	Qty	Road Numbers	Notes
Cincinnati Union Terminal (Whitewater Valley Railroad)	6	20–25

LS-800

Railroad	Qty	Road Numbers	Notes
Chicago, Rock Island and Pacific Railroad	2	800–801
Chicago River and Indiana Railroad (subsidiary of New York Central Railroad)	21	9800–9820

Preservation

The last extant LS750, former Cincinnati Union Terminal 25, is operated by 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.
"The Yard Limit - Lima". Retrieved March 9, 2009.

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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