Slide 1

Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

J. David Semple

Engineering Manager,

EMD Australia

The Widening Application of AC Traction

Locomotives for Railroads With Lighter

Axle Loads Around The World

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

Embedded Video

Chile Ferronor

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

AC Traction Is Taking Over

• Displacing DC Traction All Over the World

• Making Railroads More Competitive

–Higher productivity

–Reduced maintenance costs

GT46AC Ferronor Chile

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

Early Adopters

• Heavy Haul AC Traction Introduced in US in 1992

• Early International Adopters

–Queensland Railway GT42CU-ACe

– India Railways GT46MAC

• Established benefits

–Low maintenance

–High adhesion

–High tractive effort

SD70MAC Alaska Railways

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

QR GT42CU-ACe

Aurizon GT42CU-ACe Locomotives

Narrow Gauge (1067 mm)

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

India Railways – GT46MAC

GT46MAC India Railways 4500 BHP Broad Gauge

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

Python Train - India

Imbedded Video of Python

Long Train

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

1

World Map Individual countries

EMD AC Traction

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

GT AC Locomotive Family

• Electronic engine management

• Separate loop aftercooling for engine

• Inverter control of auxiliary motors

• Electronic air brakes

Comilog Gabon

GT46AC

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

GT Family of AC Traction Locomotives

GT38AC

GT42AC

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

GT Family

GT50AC

GT46AC

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

Universal Electrical Locker

• One locker for GT Family

• Integrated:

–Traction control

–Auxiliary power with inverters

–Microprocessor locomotive

control

–Electronic engine

management

‘GT’ Electrical Locker

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

GFC Bogie Development

• Common bogie family for all GT locomotives

• Fabricated frame

• Locomotives easily configured for any gauge

GFC Bogie 3D Model

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

GFC Bogie Family

Meter Gauge Narrow Gauge

Standard Gauge Broad Gauge

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

Composite Bogie Plan View

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

AC Traction Motor Family

2909

2916

2921

2938

End View

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

Lower Power GT38AC Locomotive

2200 BHP 18 TAL PTKA Indonesia (Sumatra)

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

High Power GT50AC Locomotive

5500 BHP 22 TAL Indian Railways (Broad Gauge)

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

GT46C-ACe for Australia

• Quiet Cab

• AAR S-580 Crash

Worthiness

• HVAC & Toilet

• Gen II version in

production now

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

GT46C-ACe Gen II 180 Tonne

• 4500 BHP Standard Gauge

• 12,000 litre fuel capacity

• US EPA T3 Emission capability

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

Unique Locomotives

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

SAR Saudi Arabia SD70ACS

Special filtration for sand environment

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

Brazil 8 Axle Low Profile Locomotive

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

Brazil SD70BB

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

Heavy Trains with Light Locomotives

• Axle loads on most railroads outside North America

are 18 tonnes to 22 tonnes

• Trains of 9,000 to 12,000 tonnes are common

• Use of distributed power is common

–Radio distributed power

–ECP/WDP

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

Distributed Power Trains in N. Queensland

Embedded Video – Aurizon RDP Coal

Train on Newlands Rail Network

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

ECP/WDP Trains in N. Queensland

Embedded Video – PN ECP/WDP Coal

Train on Newlands Rail Network

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

Summary

• AC Traction has displaced DC Traction

• Railroads are increasing productivity & reducing operating

cost with AC Traction Locomotives

• EMD has developed a family of AC traction locomotives

that permits us to meet the needs of railroads throughout the

world

GT38AC for CFCO Congo

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

Acknowledgements

• Video Chile – Entre Durmientes

• Video India – Chirag R. Sagar

• Video Australia – jcrou19 19 Steven Jesser

• Pictures – Brazil 8 Axle Locomotive

–Pedro Rezende

–http://minasgeraisrailways.ning.com/

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Electro-Motive Diesel is owned by Progress Rail Services, A Caterpillar Company June 14, 2015

Thank You