SD70 Technical Information



SD70 Historical Photo Gallery (1976 - 1998)

SD70 Survivors Photo Gallery (Post 1999)

Dimension

The SD70 is 72' 4" in length over the couplers and stands 15' 7.57" high over the cooling fan guards
The unit is 12' 1" wide over the snowplow
Distance between the bolsters is 48' 8"

General

Built in 1998, Order Number 976826
Weight- 385,000lbs
Maximum Curvature Per Single Unit- 27.8 °

Engine

Model- 710G3B
Cylinder Arrangement- V-16 2 Cycle
RPM Idle- 200 Low Idle- 200 Throttle 8- 900 Overspeed- 990-1045
Spark Arrestor- Turbo
Main Generator- AR20
Auxiliary Generator- DELCO 18kW AC
Auxiliary Alternator- CA7
Traction Motors- D90TR
Traction Motor Blowers Motor- 2 DELCO 22109571
Radiator Fans- 3, 48" Fans, 2 Speed Q Type
Grid Blowers- 1, 54" Fan 12 Blade DELCO A8592 Motor

Performance

Horsepower- 4000
Maximum Continuous Tractive Effort- 109,150lbs
Minimum Continuous Speed- 11.4mph
Maximum Speed- 70mph
Traction Motor Rating- 1230 amps
Dynamic Brake- High Capacity Extended Range
Maximum Dynamic Braking Effort- 87,000lbs
Speed At Maximum Braking Effort- 9-22.4mph

Capacities

Fuel- 4900 gallons
Lube Oil- 436 gallons
Engine Coolant- 270 gallons
Sand- 56 cubic feet

Air Brake Equipment

Schedule- Epic II
Automatic Brake Valve- Epic II
Independent Brake Valve- Epic II
Control Valve- Epic II
Application Valve- Epic II
Relay Valve- Epic II
Vent Valve- 2, No. 8
Safety Control- EMD ICE
Horn- Nathan K5LA-R24
Air Filters, Brake- Salem 975-075 Auxiliary- Salem 975-075
Air Dryer- Salem 505-975-100

Trucks

Wheel Diameter- 42"
Gear Ratio- 83:18
Journal Bearings- Timken 6.875"
Brake Rigging- Single Shoe
Brake Shoes- 16" Composition

Special Features

Radio Provision- All Channel Clean Cab
Cab Heater- Electric
Speed Recorder- EMD ICE
Speed Indicator- EMD ICE
Water Cooler- Portable Cooler
Toilet System- Chemical
Snow Plow- Short Hood End
Electronic Cab Display
Spotter
Self Load Test
Emergency Cranking Receptacles
Roof Top Air Conditioner
Motorized Air Compressor
Electronic Fuel Injection- EMD EUI
Cab Signal Equipped
LSL Equipped
Allignment Control Coupler Equipped
Built to NS specs
Assembled At CR Juniata Locomotive Shop

Roster

CR # Previous # Builders # Build Date Other
2557   976826-1 6-1998 Added to Roster 7-2-98
2558   976826-2 6-1998 Added to Roster 7-2-98
2559   976826-3 6-1998 Added to Roster 7-13-98
2560   976826-4 7-1998 Added to Roster 7-25-98
2561   976826-5 7-1998 Added to Roster 7-25-98
2562   976826-6 7-1998 Added to Roster 7-24-98
2563   976826-7 8-1998 Added to Roster 8-8-98
2564   976826-8 8-1998 Added to Roster 8-12-98
2565   976826-9 8-1998 Added to Roster 8-13-98
2566   976826-10 8-1998 Added to Roster 8-17-98
2567   976826-11 8-1998 Added to Roster 8-20-98
2568   976826-12 8-1998 Added to Roster 8-27-98
2569   976826-13 8-1998 Added to Roster 8-31-98
2570   976826-14 9-1998 Added to Roster 9-9-98
2571   976826-15 9-1998 Added to Roster 9-11-98
2572   976826-16 9-1998 Added to Roster 9-17-98
2573   976826-17 9-1998 Added to Roster 9-24-98
2574   976826-18 9-1998 Added to Roster 9-30-98
2575   976826-19 10-1998 Added to Roster 10-6-98
2576   976826-20 10-1998 Added to Roster 10-13-98
2577   976826-21 10-1998 Added to Roster 10-14-98
2578   976826-22 10-1998 Added to Roster 10-21-98
2579   976826-23 10-1998 Added to Roster 10-29-98
2580   976826-24 11-1998 Added to Roster 11-5-98

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