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Electro-Motive Division SD7, SD9, SD18 and SD24

Four Santa Fe SD18s in 1971 with a freight train

After the launch of the GP7, customers expressed the desire for a six-axle variant with a lower axle load . The GP7 was equipped with two three-axle bogies while maintaining the same engine power and the frame was len...

Electro-Motive Division SD7, SD9, SD18 and SD24Remove
Variant
SD18
Built 1960-1963
Manufacturers Electro-Motive Division
Wheel arrangement CoCo
Gauge 1435 mm
Length 18491 mm
Service mass 176901 kg
Top speed 105 km/h
Power
Engine EMD 16-567D1

General

Property Electro-Motive Division SD7, SD9, SD18 and SD24
SD18
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Built 1960-1963
Manufacturers Electro-Motive Division
Wheel arrangement C-C
Gauge 1,435 mm

Dimensions and weights

Property Electro-Motive Division SD7, SD9, SD18 and SD24
SD18
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Length 18.49 m
Wheelbase 14.81 m
Service mass 176.9 t
Adhesion mass 176.9 t
Rigid wheelbase 4.14 m
Axle load 29.5 t

Power plant

Property Electro-Motive Division SD7, SD9, SD18 and SD24
SD18
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Engine EMD 16-567D1
Engine type V16 diesel

Power

Property Electro-Motive Division SD7, SD9, SD18 and SD24
SD18
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Power source diesel-electric
Indicated power 1,342 kW (1,825 PS)
Top speed 105 km/h
Starting effort 433.7 kN

Calculated values

Property Electro-Motive Division SD7, SD9, SD18 and SD24
SD18
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Factor of adhesion 1 : 4.00
Power-to-weight ratio 7.6 kW/t
Adhesive weight/Total 1 : 1.00
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