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 12 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:

References

External links


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