EMD F125

EMD F125

A Metrolink F125 locomotive, nearing completion
Type and origin
Power type Diesel-electric
Builder Electro-Motive Diesel, Caterpillar, Inc., Progress Rail Services
Order number 20
Build date 2015-present
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)
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 316 kN (71,000 lbf) Starting
Factor of adh 3.94 (25.4%)
Career
Operators Metrolink (Southern California)
Official name EMD F125

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.

Several features 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 agency Metrolink is the first to order this locomotive, purchasing 20 locomotives in total. 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 begin testing in the first quarter of 2016, with the bulk of the order being delivered by April 2017.[7][8]

See also

References

  1. ↑ C175-20 Prime Mover Specifications
  2. ↑ "EMD specifications" (PDF). EMD.
  3. ↑ Bowen, Douglas John (20 Dec 2012), "EMD gets Metrolink Tier 4 locomotive order", Railway Age
  4. ↑ "Metrolink to buy newest, cleanest locomotives" (Press release). Metrolink. 18 December 2012.
  5. ↑ "Metrolink orders EMD passenger locomotives". Railway Gazette International. 1 June 2013.
  6. ↑ http://www.metrolinktrains.com/news/news_item/news_id/899.html
  7. ↑ http://prezi.com/xhizn5e6bity/f125-tier-4-emd-status-report/
  8. ↑ http://www.metrolinktrains.com/news/news_item/news_id/1051.html

External links

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