|
gptkbp:instance_of
|
gptkb:railway
|
|
gptkbp:availability
|
used
|
|
gptkbp:brakes
|
dynamic brakes
|
|
gptkbp:built
|
1970s
|
|
gptkbp:cab_height
|
15 ft 6 in
|
|
gptkbp:cockpit
|
air conditioning
full-width cab
|
|
gptkbp:collectibility
|
high among enthusiasts
|
|
gptkbp:color_scheme
|
blue and yellow
|
|
gptkbp:communication_system
|
240 V DC
|
|
gptkbp:community_events
|
railroad shows
|
|
gptkbp:competitors
|
GE Dash 8
|
|
gptkbp:control_system
|
gptkb:electronic
full-width cab
microprocessor-based
|
|
gptkbp:cooling_system
|
water-cooled
radiator cooling
|
|
gptkbp:cultural_impact
|
featured in films
|
|
gptkbp:current_status
|
scrapped
|
|
gptkbp:design
|
standard cab design
|
|
gptkbp:design_features
|
modular design
|
|
gptkbp:engine
|
V12 diesel engine
|
|
gptkbp:engine_displacement
|
645 cubic inches
|
|
gptkbp:engine_power
|
900 RPM
|
|
gptkbp:engine_type
|
gptkb:EMD_645_E3
V16 diesel engine
|
|
gptkbp:environmental_impact
|
reduced emissions
|
|
gptkbp:exhaust_system
|
single stack
low-emission exhaust
|
|
gptkbp:first_number
|
8500
|
|
gptkbp:fuel_capacity
|
100,000 pounds
100,000 lb
3000 gallons
|
|
gptkbp:fuel_type
|
diesel fuel
|
|
gptkbp:gearbox
|
3.08:1
|
|
gptkbp:has_documentation
|
extensive manuals available
|
|
gptkbp:historical_operator
|
gptkb:B&_O_Railroad
|
|
gptkbp:historical_significance
|
first of its kind
first high-horsepower diesel
|
|
gptkbp:horsepower
|
3000 hp
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
B& O's SD-50
|
|
gptkbp:last_number
|
8529
|
|
gptkbp:legacy
|
influenced future designs
|
|
gptkbp:length
|
60 feet
60 ft 2 in
|
|
gptkbp:location
|
recycling facilities
|
|
gptkbp:maintenance
|
high
B& O's shops
|
|
gptkbp:manufacturer
|
gptkb:Baldwin_Locomotive_Works
|
|
gptkbp:max_speed
|
70 mph
|
|
gptkbp:model
|
gptkb:SD-50
|
|
gptkbp:noise_level
|
low noise
|
|
gptkbp:notable_features
|
high horsepower
|
|
gptkbp:notable_operators
|
gptkb:CSX_Transportation
|
|
gptkbp:number_built
|
gptkb:100
gptkb:30
|
|
gptkbp:number_of_engines
|
gptkb:12
gptkb:16
|
|
gptkbp:operational_cost
|
moderate
|
|
gptkbp:operational_status
|
retired
|
|
gptkbp:owner
|
gptkb:CSX_Transportation
gptkb:B&_O_Railroad
|
|
gptkbp:power_output
|
3000 horsepower
|
|
gptkbp:powers
|
diesel
|
|
gptkbp:price
|
$1,000,000
|
|
gptkbp:primary_use
|
freight transport
|
|
gptkbp:production_years
|
1970-1979
|
|
gptkbp:region
|
gptkb:North_America
|
|
gptkbp:related_model
|
gptkb:SD40-2
|
|
gptkbp:restoration
|
ongoing
|
|
gptkbp:retirement
|
1990s
age and wear
|
|
gptkbp:retirement_year
|
1990s
|
|
gptkbp:safety
|
cab signal system
|
|
gptkbp:safety_features
|
cab signaling
|
|
gptkbp:safety_rating
|
high
|
|
gptkbp:service
|
20 years
|
|
gptkbp:service_entry
|
gptkb:1972
1970s
|
|
gptkbp:specification
|
widely published
|
|
gptkbp:successor
|
SD60
|
|
gptkbp:top_speed
|
70 mph
|
|
gptkbp:traction
|
gptkb:6
diesel-electric
|
|
gptkbp:train_types
|
gptkb:Class_I_railroad
|
|
gptkbp:transportation
|
gptkb:Baltimore_and_Ohio_Railroad
|
|
gptkbp:type
|
gptkb:railway
|
|
gptkbp:weight
|
250,000 pounds
250,000 lb
|
|
gptkbp:wheels
|
C-C
|
|
gptkbp:year_established
|
gptkb:1970
|