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MP15 Locomotives

Specifications listed are for standard locomotive models.


The majority of locomotives, other than switchers, in the GATX Locomotive Group fleet are equipped with dynamic braking. Contact Sam Buchholz at 312.621.6542 or sam.buchholz@gatx.com for specific equipment installed on available locomotives.


Horsepower:  1,500
Tractive effort @ minimum continuous speed:  46,970 pounds. @ 9.3 mph
Length over coupler pulling faces: 48 feet, 8 inches
Distance between bolster centers: 24 feet, 2 inches
Truck-rigid wheel base:  9 feet
Width over grabirons:  10 feet, ¾ inch
Height above rails:  15 feet
Wheel diameter:  40 inches
Fuel capacity:  1,100 to 1,400 gallons
Engine:  12-645E, 12 cylinder roots-blown, GM Diesel
Main generator:  D32
Traction motors:  Four D77/78 direct current
Standard gearing:  62:15 gear ratio
Weight:  Total loaded weight on rails average 248,000 pounds. (1/2 variable supplies)