GE C30-7

Infobox Locomotive
name=GE C30-7
powertype=Diesel-electric
gauge=RailGauge|ussg
builder=GE Transportation Systems
buildmodel=C30-7

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caption=Conrail #6600, a GE C30-7, refueling at Brownsville, Pennsylvania.
aarwheels=C-C
builddate=1976 – 1985
cylindercount=16 (12 cylinders on C30-7A variants)
poweroutput=3000 hp
totalproduction=1,137 (50 were C30-7A variants)
locale=North America
The GE C30-7 is a 6-axle diesel locomotive built by GE Transportation Systems between 1976 and 1985 as an updated U30C. It is powered by a 16-cylinder, 3,000-horsepower diesel engine. 1,137 examples of this locomotive were built for North American railroads. Conrail was the only Class 1 carrier to order a variant of the C30-7, the GE C30-7A, which was powered by a 12-cylinder, 3,000-horsepower FDL-series diesel engine. 50 known examples of this sub-type were built. Similarly, Conrail was the only purchaser of GE's Dash-8 follow-on model to the C30-7A, the 12-cylinder C32-8, of which 10 units were constructed.

The early models of the C30-7 had four windows on each side of the cab, but in 1980 rules were enacted for making windows "projectile resistant," the cost of which eliminated the outer windows in later production; those same windows were filled in with sheet metal on the early units.Fact|date=February 2007