GTLW HMP48

GTLW HMP48
Type and origin Power type Diesel-electric Builder Gateway Turtle Locomotive Works Model HMP48 Build date July 2018 (2018-07)–present Total produced 236
Specifications Configuration: ​  • AAR C-C  • UIC Co'Co' Gauge 4 ft 8 1⁄2 in (1,435 mm) Fuel type Diesel Prime mover GTLW HD54 RPM range 850–1950 Engine type 45° V20 Aspiration Turbocharger Traction motors 6 GTLW AC traction motors, 800hp each Cylinders 20 Transmission Diesel-electric Gear ratio ~65:1 MU working Yes Train heating Locomotive supplied head end power
Performance figures Maximum speed 90 miles per hour (140 km/h) Power output At alternator: 4,300 hp (3,200 kW) At wheels: 4,800 hp (3,600 kW) Tractive effort Starting: 75,000 lbf (330 kN) Continuous: 50,000 lbf (220 kN)
Career Operators Caltrain MBTA Amtrak Metra Virginia Railway Express MARC Train NJ Transit Union Pacific Railroad BNSF Railway CSX Transportation Canadian Pacific Kansas City Canadian National Railway Norfolk Southern Railway Locale North America Delivered November 2018 (2018-11) First run December 2018 (2018-12)

The GTLW HMP48 is a six-axle multi-purpose diesel locomotive manufactured by Gateway Turtle Locomotive Works (GTLW) for the North American market since 2018. It is powered by a GTLW HD54 V20 diesel engine rated at 4,800 hp (3,600 kW). The locomotive is capable of travelling a maximum in-service speed of 90 miles per hour (140 km/h), and is designed for pulling both freight and passenger.

Original Buyers

Cab-equipped 'A' Units

Railroad	Quantity	Road numbers	Notes
TurtleTram (demonstrator)	1	?
	Caltrain	10	600–609
MBTA	20	12–31
Amtrak	15	1000–1014
Metra	22	700–721
Virginia Railway Express	10	V70–V79
MARC Train	15	90–104
NJ Transit	25	4700–4724
Totals	908