|
gptkbp:instance_of
|
gptkb:railway
|
|
gptkbp:brakes
|
dynamic brakes
air brake
|
|
gptkbp:cab_signaling
|
yes
|
|
gptkbp:cockpit
|
ergonomic design
full-width cab
|
|
gptkbp:color_scheme
|
blue and yellow
|
|
gptkbp:communication_system
|
480 V AC
|
|
gptkbp:control_system
|
gptkb:manual
microprocessor-based
|
|
gptkbp:cooling_system
|
radiator cooling
|
|
gptkbp:current_status
|
preserved in museums
|
|
gptkbp:decommissioned
|
gptkb:1980
|
|
gptkbp:design
|
articulated
|
|
gptkbp:design_date
|
gptkb:1944
|
|
gptkbp:design_features
|
high adhesion
|
|
gptkbp:design_purpose
|
high horsepower applications
|
|
gptkbp:emissions_standard
|
Tier 0
|
|
gptkbp:engine
|
gptkb:Electro-Motive_Diesel
Baldwin
|
|
gptkbp:engine_displacement
|
1000 cubic inches
|
|
gptkbp:engine_type
|
V16 diesel engine
|
|
gptkbp:first_introduced
|
1945
|
|
gptkbp:first_unit_delivered
|
gptkb:1991
|
|
gptkbp:fuel_capacity
|
100 tons
5,000 gallons
3000 gallons
|
|
gptkbp:fuel_economy
|
moderate
|
|
gptkbp:fuel_type
|
diesel
|
|
gptkbp:historical_context
|
developed during the rise of diesel locomotives.
|
|
gptkbp:historical_period
|
World War II era
|
|
gptkbp:historical_significance
|
first of its kind in B& O fleet
one of the largest locomotives of its time
|
|
gptkbp:horsepower
|
3000 hp
3,600 hp
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
B& O's SD-90
|
|
gptkbp:introduced
|
gptkb:1990
|
|
gptkbp:legacy
|
influenced future locomotive designs
|
|
gptkbp:length
|
approximately 100 feet
73 feet 8 inches
|
|
gptkbp:location
|
gptkb:museum
|
|
gptkbp:maintenance
|
heavy maintenance required
B& O shops
|
|
gptkbp:manufacturer
|
gptkb:Baldwin_Locomotive_Works
|
|
gptkbp:max_speed
|
60 mph
70 mph
|
|
gptkbp:nickname
|
gptkb:Big_Boy
|
|
gptkbp:notable_features
|
high tractive effort
|
|
gptkbp:notable_operators
|
gptkb:CSX_Transportation
|
|
gptkbp:number_built
|
gptkb:10
gptkb:30
|
|
gptkbp:number_of_engines
|
gptkb:16
24 inches
|
|
gptkbp:operated_by
|
gptkb:B&_O_Railroad
|
|
gptkbp:operational_challenges
|
high fuel consumption
|
|
gptkbp:operational_history
|
used in heavy freight service
|
|
gptkbp:operational_range
|
gptkb:North_America
|
|
gptkbp:operational_status
|
retired
|
|
gptkbp:owner
|
gptkb:CSX_Transportation
gptkb:Baltimore_and_Ohio_Railroad
gptkb:B&_O_Railroad
|
|
gptkbp:powers
|
diesel
|
|
gptkbp:preservation_efforts
|
restored
|
|
gptkbp:primary_use
|
coal transport
|
|
gptkbp:related_model
|
B& O's EM-1
|
|
gptkbp:related_vehicle
|
centralized control cab
|
|
gptkbp:retired
|
gptkb:1980s
|
|
gptkbp:retirement
|
2000s
age and maintenance costs
age and efficiency
|
|
gptkbp:safety
|
automatic train stop
|
|
gptkbp:safety_features
|
crashworthy design
|
|
gptkbp:service
|
gptkb:0
freight transport
approximately 20 years
|
|
gptkbp:service_area
|
gptkb:Mid-Atlantic_United_States
|
|
gptkbp:service_type
|
freight
|
|
gptkbp:service_years
|
1940s to 1980s
|
|
gptkbp:sister_models
|
gptkb:SD80_MAC
|
|
gptkbp:stroke
|
30 inches
|
|
gptkbp:successor
|
gptkb:SD70_ACe
|
|
gptkbp:suspension
|
air suspension
|
|
gptkbp:traction
|
gptkb:4
diesel-electric
100,000 lbf
AC traction motors
|
|
gptkbp:transportation
|
gptkb:Baltimore_and_Ohio_Railroad
|
|
gptkbp:type
|
gptkb:railway
|
|
gptkbp:weight
|
200 tons
approximately 200 tons
|
|
gptkbp:wheels
|
C-C
2-8-8-2
|
|
gptkbp:year_created
|
1940s
|