MPI

MP54AC

Latest locomotive in the MPXpress family Passenger locomotiveIntroduced 2015Produced 2015–MPI MP54AC family

Research Quality: 60% complete

The MPI MP54AC is a diesel-electric passenger locomotive built by MotivePower. The MP54AC uses a pair of Cummins QSK60 16-cylinder engines rated at 2,700 hp each, for a total of 5,400 hp. The MP54AC is designed to meet EPA Tier 4 emissions standards and is the most powerful diesel-electric passenger locomotive in North America.^[1]

Plate 01MPI MP54AC Idle Sounds
M636RFWatch on YouTube
Plate 02MPI MP54AC 673 departing Weston GO station
DiegoWatch on YouTube
Plate 03(L10L) MPI MP54AC 647 departing Weston GO station with MPI MP40PH-3C 645 (deactivated cab car 234)
DiegoWatch on YouTube
Plate 04MPI MP54AC 673 departing Weston GO station
DiegoWatch on YouTube
Plate 05GO Transit MP54AC #railfanning #gotrain #shorts
The Southern Ontario RailfannerWatch on YouTube
Plate 06MP54AC Locomotive
trainboy647Watch on YouTube
Plate 07Riding back behind GOTransit #669 MPI MP54AC
Transit StuffWatch on YouTube
Plate 08GOTransit #681 MPI MP54AC
Transit StuffWatch on YouTube
Plate 09FAST ACCELERATION & Second Transit Fanner | GOTransit #681 MPI MP54AC
Transit StuffWatch on YouTube
Plate 10FULL THROTTLE GOTrain MPI MP54AC #682
Transit StuffWatch on YouTube
Plate 11MPI MP54AC #671 FULL THROTTLE
Transit StuffWatch on YouTube

Produced

2015–

Power

5,400 hp (4,000 kW)^[1]

What it is

The MP54AC is a diesel-electric locomotive model in the MPI MPXpress line built by MotivePower.^[1]

The MP54AC is a passenger locomotive intended for commuter rail service.^[1]

How it works

The MP54AC uses a Cummins QSK60 diesel engine as its prime mover.^[1]

The MP54AC produces 5,400 horsepower for traction.^[1]

Applications

The MP54AC is deployed in commuter rail service for public transit agencies in the United States and Canada.^[1]

Passenger locomotive for commuter rail service

What do the numbers mean?

Power & electrical1

Power output: 5,400 hp (4,000 kW)^[1]

Dimensions & facilities3

Width: 10 ft 7.5 in (3,238 mm)^[1]
Height: 15 ft 6 in (4,720 mm)^[1]
Locomotive weight: 285,000–295,000 lb (129,000–134,000 kg)^[1]

Configuration & options9

Prime mover: Pair of Cummins QSK60 60-liter, 16-cylinder engines^[1]
Power output: 5,400 hp total (2,700 hp each engine)^[1]
Maximum speed: 110 mph (180 km/h)^[1]
Tractive effort: 82,900 lbf (369 kN)^[1]
Emissions standard: EPA Tier 4^[1]
Prime mover: 2 × Cummins QSK60 60-liter, 16-cylinder diesel engines^[1]
Length: 68 ft (20.73 m)^[1]
Wheel arrangement (AAR): B-B^[1]
Total produced: 16^[1]

Vintage & configurations

2015Production start^[1]
The first prototype unit was delivered to GO Transit in late 2015.

Documented models & variants

Designation	Generation	Vintage	Changes	Source
MP40PHTC-T4AC	—	—	Also known as MP54AC.	en.wikipedia.org^[1]

Interested in this tool?

Need help with this tool?Embed spec card

What replaced it?

siblingMPI MP40PH-3C— The MP54AC was developed as a higher-performance Tier 4 model relative to the MP40PH-3C, and the first prototype was converted from an MP40PH-3C.source^[1]
siblingMPI MP36PH-3S— Genset locomotive, twin Cummins QSK60 engines, 5,400 hp.source^[1]

What does it need to run?

Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.

Power output5,400 hp (4,000 kW)^[1]

Where are the manuals?

Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.

Not publicly documented

Field notes

No research found yet — worked with this tool? Share what you know.

Worked with this tool? Help preserve its knowledge →

Frequently asked questions

What is the prime mover of the MP54AC?

The MP54AC uses a Cummins QSK60 diesel engine as its prime mover.^[1]

What is the power output of the MP54AC?

The MP54AC produces 5,400 horsepower (4,000 kW).^[1]

What is the maximum speed of the MP54AC?

The MP54AC has a maximum speed of 110 mph (180 km/h).^[1]

What is the tractive effort of the MP54AC?

The MP54AC has a tractive effort of 82,900 lbf (369 kN).^[1]

How many MP54AC locomotives were produced?

Sixteen MP54AC locomotives were produced.^[1]

Was the MP54AC ever rebuilt from another model?

One MP40PH-3C was rebuilt to an MP54AC specification.^[1]

Not publicly documented

The following facts about the MP54AC are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.

The control-system platform and OS era of the MP54AC are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the MP54AC are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the MP54AC is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the MP54AC are on record.
Answerable by: an OEM parts catalog or a service engineer
No publicly hosted manuals, SOPs, or datasheets for the MP54AC are on record.
Answerable by: university cleanroom staff or an OEM application specialist

No research found yet — worked with this tool? Share what you know.

Sources & citations

Sources (3)Every fact above is drawn from these public sources

[1]en.wikipedia.org — en.wikipedia.orgen.wikipedia.org
[2]Railroad Trains for the Soul: MP54AC Testing — larosas-trains.netlarosas-trains.net
[3]MPI MPXpress - Wikipedia — en.wikipedia.orgen.wikipedia.org