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Fuel Consumption At Idle

Fuel Consumption At Idle

EMD and GE engine models consume fuel at different rates depending on the model and environmental conditions. Please refer to the charts below to see how much fuel your model engine consumes during idle.

EMD
Locomotive	Gallons/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

GE
Locomotive	Gallons/Hr
UI8B UI8-7	3.5
U23B&C B&C23-7	3.5
U30B&C B&C30-7	3.5
U33B&C	3.5
U36B&C B&C36-7	3.5
C39-8	5.0
CW40-8 C40-8	5.0
B40-8	4.0
C44-8*	5.5
Throttle setting - Idle. For extreme cold, throttle setting may be higher when idling (notch 3) resulting in higher fuel consumption Split Cooling Data source: International Association of Railway Operating Officers*