EMD Fuel Consumption at Idle

LocomotiveGallons/Hr
GP/SD7 3.5
GP/SD9 3.5
GP/SD18 3.5
GP20 3.5
GP30 3.5
GP/DD/SD35 5.0
SD/GP38
SD/GP38-2
5.0
SD/GP39
GP39-2
4.0
SD/GP40
SD/GP40-2
5.5
SD/GP40-2* 5.2**
SD45
SD45-2
6.0
GP50
SD50
3.0
SD60 3.0
GP15T
MP15T
2.0
SD70
SD70MAC
3.0

Throttle setting - Idle. For extreme cold, throttle setting may be higher when idling (notch 3) resulting in higher fuel consumption

* Units built after 6/79 have Model 645E3B fuel economy diesel engine.

** Low idle 4.1

Fuel Specific Gravity - .845

Barometric Pressure – 29.92” Hg

Air Intake Temperature – 60°F.

Data source: International Association of Railway Operating Officers

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