MPI HSP46

Specifications
Specifications
Configuration:;
• AAR	B-B
• UIC	Bo′Bo′
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Trucks	MPI MP1114, 4-wheel, cast frame w/ traction pivot
Wheel diameter	40 in
Minimum curve	20 degrees (288 ft 0 in (87.78 m)
Wheelbase	45 ft 0 in (13.72 m) (between truck centers)
Length	71 ft 0 in (21.64 m)
Width	10 ft 0 in (3.05 m)
Height	15 ft 4.5 in (4.686 m)
Axle load	72,500 lb (32,885 kg) Max
Adhesive weight	100%
Loco weight	287,500 lb (130,408 kilograms)
Fuel type	Diesel
Fuel capacity	2,000 US gal (7,600 L; 1,700 imp gal)
Coolant cap.	360 US gal (1,400 L; 300 imp gal)
Prime mover	GE GEVO-12
RPM range	440–1050 (600–1050 while supplying HEP)
Engine type	45° V12, four stroke cycle diesel engine
Aspiration	Turbocharged
Displacement	188.5 L (49.8 US gal; 41.5 imp gal)
Alternator	GE 5GMG211 Traction Alternator with Integral HEP winding, Single bearing
Traction motors	4 GE GEB-15 AC Traction Motors
Cylinders	12
Cylinder size	15.7083 liters (958.58 cu in)
Transmission	AC–DC–AC
MU working	Yes
Train heating	Locomotive-supplied head-end power; Inverter HEP ; IGBT based w/ capacitor/inductor filtration ; 804 hp (600 kW), 3 phase ,480 VAC
Loco brake	Electropneumatic w/ blended dynamic braking
Train brakes	Electropneumatic
Safety systems	ATC / ACSES / PTC

Type and origin
Type and origin
Power type	Diesel-electric
Builder	MotivePower
Model	HSP46
Build date	2013–2014
Total produced	40

MPI HSP46
MPI HSP46
	MBTA locomotive #2032 at Wachusett station
Power type
Type and origin
Power type	Diesel-electric
Builder	MotivePower
Model	HSP46
Build date	2013–2014
Total produced	40
Configuration:;
Specifications
Configuration:;
• AAR	B-B
• UIC	Bo′Bo′
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Trucks	MPI MP1114, 4-wheel, cast frame w/ traction pivot
Wheel diameter	40 in
Minimum curve	20 degrees (288 ft 0 in (87.78 m)
Wheelbase	45 ft 0 in (13.72 m) (between truck centers)
Length	71 ft 0 in (21.64 m)
Width	10 ft 0 in (3.05 m)
Height	15 ft 4.5 in (4.686 m)
Axle load	72,500 lb (32,885 kg) Max
Adhesive weight	100%
Loco weight	287,500 lb (130,408 kilograms)
Fuel type	Diesel
Fuel capacity	2,000 US gal (7,600 L; 1,700 imp gal)
Coolant cap.	360 US gal (1,400 L; 300 imp gal)
Prime mover	GE GEVO-12
RPM range	440–1050 (600–1050 while supplying HEP)
Engine type	45° V12, four stroke cycle diesel engine
Aspiration	Turbocharged
Displacement	188.5 L (49.8 US gal; 41.5 imp gal)
Alternator	GE 5GMG211 Traction Alternator with Integral HEP winding, Single bearing
Traction motors	4 GE GEB-15 AC Traction Motors
Cylinders	12
Cylinder size	15.7083 liters (958.58 cu in)
Transmission	AC–DC–AC
MU working	Yes
Train heating	Locomotive-supplied head-end power; Inverter HEP ; IGBT based w/ capacitor/inductor filtration ; 804 hp (600 kW), 3 phase ,480 VAC
Loco brake	Electropneumatic w/ blended dynamic braking
Train brakes	Electropneumatic
Safety systems	ATC / ACSES / PTC
Maximum speed
Performance figures
Maximum speed	110 mph (177 km/h) (design) ; 80 mph (129 km/h) (service)
Power output	At alternator:; 4,650 hp (3,470 kW); At wheel (HEP dependent):; ~4,300 hp (3,200 kW); to; ~3,500 hp (2,600 kW)
Tractive effort	289.14 kN (65,000 lbf) starting
Factor of adh.	4.423
Operators
Career
Operators	Massachusetts Bay Transportation Authority
Numbers	2000–2039
Locale	Boston
Delivered	October 24, 2013
First run	April 16, 2014
	Sources:

The MPI HSP46 is a four-axle AC-traction diesel-electric locomotive for commuter trains, designed and assembled by MotivePower. It meets EPA Tier 3 emissions standards. The launch customer is the Massachusetts Bay Transportation Authority (MBTA), whose first unit entered revenue service in April 2014.

^ ^a ^b Cite error: The named reference rgi20100720 was invoked but never defined (see the help page).
^ "The New General Electric GEVO-Engine for Tier2-Locomotive Application" (PDF). FEV Spectrum (25). February 2004. Archived from the original (PDF) on March 10, 2012. Retrieved April 16, 2014.
^ Vantuono, William C. (9 December 2014). "Boston barnstormer". Railway Age. Archived from the original on 18 December 2014. Retrieved 19 December 2014.

[rgi20100720-1] Cite error: The named reference rgi20100720 was invoked but never defined (see the help page).

[2] "The New General Electric GEVO-Engine for Tier2-Locomotive Application" (PDF). FEV Spectrum (25). February 2004. Archived from the original (PDF) on March 10, 2012. Retrieved April 16, 2014.

[ra20141209-3] Vantuono, William C. (9 December 2014). "Boston barnstormer". Railway Age. Archived from the original on 18 December 2014. Retrieved 19 December 2014.

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MPI HSP46

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