EMD F125

EMD F125
Type and origin
Power type Diesel-electric
Builder Electro-Motive Diesel, Caterpillar, Inc., Progress Rail Services
Order number 20
Build date 2015-2017
Specifications
AAR wheel arr. B-B
UIC classification 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)
Weight on drivers 100%
Locomotive 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 capacity Four boxes
@ 6.25 cubic feet (177 liters) each
Prime mover Caterpillar C175-20
Engine 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
Multiple working AAR
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
adhesion		 3.94 (25.4%)
Train heating Locomotive supplied Head end power (inverters rated between 600-1050 kW)
Locomotive brake Dynamic / Regenerative / Electropneumatic / Blend Brake
Train brakes Electropneumatic
Safety systems Crash Energy Management (CEM) Technology
Positive Train Control (PTC)
Career
Operator(s) Metrolink (Southern California)
Official name Spirit

The EMD F125 Spirit is a four-axle high speed passenger diesel locomotive to be manufactured by EMD. It is powered by a Caterpillar C175-20 diesel engine rated at 4,700 hp (3,500 kW). The locomotive will be capable of traveling at a maximum in service speed of 125 mph (201 km/h) pulling consists of up to 10 cars. It will be EMD's first new passenger locomotive since the F59PHI.

Several features include EPA Tier 4 emissions compliance, AC traction systems, extended range blend and dynamic brakes with HEP regeneration capabilities, advanced crash energy management (CEM) technology, and streamlined body design.[2]

Operators

Los Angeles commuter agency Metrolink is the first to order this locomotive, purchasing 10 with an option for 10 more. Cost is estimated at $129.4 million with delivery expected to commence in 2015.[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]

References

  1. ↑ C175-20 Prime Mover Specifications
  2. ↑ "EMD specifications". 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/

External links