EMD F125
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A Metrolink F125 locomotive, nearing completion |
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| Specifications |
| AAR wheel arr |
B-B |
| UIC class |
Bo′Bo′ |
| Gauge |
4 ft 8 1⁄2 in (1,435 mm) |
| Bogies |
Vossloh-built |
| Wheel diameter |
40 in (1,016 mm) |
| Wheelbase |
115 in (2,921 mm) (Truck)
42 ft 4 in (12.90 m) (Locomotive) |
| Length |
69 ft 0 in (21.03 m) |
| Height |
14 ft 7 in (4.45 m) |
| Axle load |
72,500 lb (32,885 kg) |
| Adhesive weight |
100% |
| Loco weight |
280,000 lb (127,006 kg) |
| Fuel type |
Diesel |
| Fuel capacity |
1,800 US gal (6,800 L; 1,500 imp gal)
Standard; larger tanks optional |
| Sandbox cap |
Four boxes
@ 6.25 cubic feet (177 liters) each |
| Prime mover |
Caterpillar C175-20 |
| RPM range |
600-1800 |
| Engine type |
45° V20, four stroke cycle |
| Aspiration |
Turbocharged |
| Displacement |
105.8 liters (6,460 cu in) |
| Traction motors |
Four EMD A2921 AC Motors |
| Cylinders |
20 |
| Cylinder size |
5.29 liters (323 cu in)[1] |
| Transmission |
AC-DC-AC |
| MU working |
AAR |
| Train heating |
Locomotive supplied Head end power (inverters rated between 600-1050 kW) |
| Loco brake |
Dynamic / Regenerative / Electropneumatic / Blend Brake |
| Train brakes |
Electropneumatic |
| Safety systems |
Crash Energy Management (CEM) Technology
Positive Train Control (PTC) |
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| Performance figures |
| Maximum speed |
125 mph (201 km/h) |
| Power output |
At alternator:
4,700 hp (3,500 kW)
At wheel (HEP dependent):
~4,200 hp (3,100 kW)
to
~3,200 hp (2,400 kW) |
| Tractive effort |
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| Factor of adh |
3.94 (25.4%) |
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The EMD F125 Spirit is a four-axle high speed passenger diesel locomotive manufactured by EMD. It is powered by a Caterpillar C175-20 diesel engine rated at 4,700 hp (3,500 kW). The locomotive is capable of traveling at a maximum in-service speed of 125 mph (201 km/h) pulling consists of up to 10 cars. It is EMD's first new passenger locomotive since the DM30AC and DE30AC, and EMD's first domestic passenger locomotive in 15 years.
Features of the F125 include EPA Tier 4 emissions compliance (with exhaust after-treatment), AC traction systems, extended-range blend and dynamic brakes with HEP regeneration capabilities, advanced crash energy management (CEM) technology, and a streamlined body design, designed by Vossloh Rail Vehicles of Spain.[2]
Operators
Los Angeles commuter rail agency Metrolink is the first to order this locomotive, purchasing 20 locomotives in total. The cost is estimated at $280 million with delivery expected to commence in 2016.[3][4] The order was signed on May 31, 2013.[5] As of February 10, 2014, additional funding commitments were secured to finance the purchase of the 10 option locomotives, bringing the total order count to 20 units.[6] The first locomotive is expected to be delivered and begin testing in the first quarter of 2016, with the bulk of the order being delivered by April 2017.[7][8]
See also
References
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External links
Diesel cab and cowl locomotives built by GM-EMD |
Cab units
(F- & E-units) |
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| Cowl units |
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| In operation |
| Australia |
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| United States |
| More than 110 mph (177 km/h) |
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| up to 110 mph (177 km/h) |
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| up to 90 mph (145 km/h) |
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| Planned |
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| Equipment in use |
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| Similar speed ranges |
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| Commuter lines |
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| Connecting rail |
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| Governing agencies |
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| Ex officio agencies |
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| Other information |
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