SD50 Technical Information



SD50 Historical Photo Gallery (1976 - 1998)

SD50 Survivors Photo Gallery (Post 1999)

Dimension

The SD50 is 71' 2" in length over the couplers and stands 15' 7 3/4" high over the antenna
The unit is 10' 3 1/8" wide over the handraiils
Distance between the bolsters is 45' 10"

General

Built in 1983 through 1986
Weight- 389,500lbs
Maximum Curvature Per Single Unit- 29 °

Engine

Model- 645F3B
Cylinder Arrangement- V-16 2 Cycle
RPM Idle- 270 Low Idle- 200 Throttle 8- 954 Overspeed- 1070
Spark Arrestor- Turbo
Main Generator- AR11-D14
Auxiliary Generator- 2803063
Auxiliary Alternator- CA5A
Traction Motors- D87
Traction Motor Blowers Motor- Mechanical

Performance

Horsepower- 3500
Maximum Continuous Tractive Effort- 96,300lbs
Minimum Continuous Speed- 9.8mph
Minimum Speed at rated HP - 9.8mph
Maximum Speed- 70mph
Traction Motor Rating- 1170 amps
Dynamic Brake- High Capacity Extended Range
Maximum Dynamic Braking Effort- 81,000lbs
Speed At Maximum Dynamic Braking Effort- 9.24mph

Capacities

Fuel- 4,000 gallons
Lube Oil- 396 gallons
Engine Coolant- 255 gallons
Sand- 56 cubic feet

Air Brake Equipment

Schedule- 26-L
Automatic Brake Valve- 26-C
Independent Brake Valve- SA-26
Control Valve- 26F
Application Valve- P-2-A
Charging Cutoff Valve- Yes
Relay Valve- J1.6-16
Vent Valve- No. 8
Safety Control- PULSE II or QUANTUM
Horn- Leslie SL-3LR
Air Filters, Brake- Salem 824-50 Auxiliary- Salem 818
No Air Dryer

Trucks

Wheel Diameter- 40"
Gear Ratio- 70:17
Journal Bearings- Timken 6.875"
Brake Rigging- Single Shoe
Brake Shoes- 16" Composition

Special Features

Radio Provision- All Channel Clean Cab Radio
Cab Heater- Electric
Speed Recorder- QUANTUM or PULSE 48HR
Speed Indicator- PULSE 80mph or EQ
Water Cooler- Portable Cooler
Toilet System- Chemical
Snow Plow- Short Hood Only
Speed Control Equipped
Spotter - No
Wheel Flange Lubricators - Yes
Cab Signal Type - EL
Self Load Test Equipped
LSL Equipped - No



CR # Previous # Builders # Build Date Other
6700   837047-1 11-1983  
6701   837047-2 11-1983  
6702   837047-3 11-1983  
6703   837047-4 11-1983  
6704   837047-5 11-1983  
6705   837047-6 11-1983  
6706   837047-7 11-1983  
6707   837047-8 11-1983  
6708   837047-9 11-1983  
6709   837047-10 11-1983  
6710   837047-11 11-1983  
6711   837047-12 11-1983  
6712   837047-13 11-1983  
6713   837047-14 11-1983  
6714   837047-15 11-1983  
6715   837047-16 12-1983  
6716   837047-17 11-1983  
6717   837047-18 11-1983  
6718   837047-19 11-1983  
6719   837047-20 12-1983  
6720   837047-21 12-1983  
6721   837047-22 12-1983  
6722   837047-23 12-1983  
6723   837047-24 12-1983  
6724   837047-25 12-1983  
6725   837047-26 12-1983  
6726   837047-27 12-1983  
6727   837047-28 12-1983  
6728   837047-29 12-1983  
6729   837047-30 12-1983  
6730   837047-31 12-1983  
6731   837047-32 12-1983  
6732   837047-33 12-1983  
6733   837047-34 12-1983  
6734   837047-35 12-1983  
6735   837047-36 12-1983  
6736   837047-37 12-1983  
6737   837047-38 12-1983  
6738   837047-39 12-1983  
6739   837047-40 9-1989  
6740   837065-1 4-1984  
6741   837065-2 5-1984  
6742   837065-3 5-1984  
6743   837065-4 5-1984  
6744   837065-5 5-1984  
6745   837065-6 5-1984  
6746   837065-9 5-1984  
6747   837065-10 5-1984  
6748   837065-11 5-1984  
6749   837065-16 5-1984  
6750   837065-7 5-1984  
6751   837065-8 5-1984  
6752   837065-15 5-1984  
6753   837065-17 5-1984  
6754   837065-18 5-1984  
6755   837065-21 5-1984  
6756   837065-24 5-1984  
6757   837065-26 6-1984  
6758   837065-27 6-1984  
6759   837065-28 6-1984  
6760   837065-30 6-1984  
6761   837065-31 6-1984  
6762   837065-32 6-1984  
6763   837065-34 6-1984  
6764   837065-35 6-1984  
6765   837065-36 6-1984  
6766   837065-39 6-1984  
6767   837065-40 6-1984  
6768   837065-38 6-1984  
6769   837065-37 6-1984  
6770   837065-33 6-1984  
6771   837065-29 6-1984  
6772   837065-25 5-1984  
6773   837065-23 5-1984  
6774   837065-22 6-1984  
6775   837065-20 5-1984  
6776   837065-19 5-1984  
6777   837065-14 5-1984  
6778   837065-13 5-1984  
6779   837065-12 5-1984  
6780   847032-1 4-1985  
6781   847032-2 4-1985  
6782   847032-3 4-1985  
6783   847032-4 4-1985  
6784   847032-5 4-1985  
6785   847032-6 4-1985  
6786   847032-7 4-1985  
6787   847032-8 4-1985  
6788   847032-9 5-1985  
6789   847032-10 5-1985  
6790   847032-12 5-1985  
6791   847032-14 5-1985  
6792   847032-15 5-1985  
6793   847032-17 5-1985  
6794   847032-18 5-1985  
6795   847032-21 5-1985  
6796   847032-22 5-1985  
6797   847032-23 5-1985  
6798   847032-24 5-1985  
6799   847032-25 5-1985  
6800   847032-11 5-1985  
6801   847032-13 5-1985  
6802   847032-16 5-1985  
6803   847032-19 5-1985  
6804   847032-20 5-1985  
6805   857080-1 1-1986  
6806   857080-2 1-1986  
6807   857080-3 1-1986  
6808   857080-4 1-1986  
6809   857080-5 1-1986  
6810   857080-6 1-1986  
6811   857080-7 1-1986  
6812   857080-8 1-1986  
6813   857080-9 1-1986  
6814   857080-10 1-1986  
6815   857080-11 1-1986  
6816   857080-12 2-1986  
6817   857080-13 2-1986  
6818   857080-14 2-1986  
6819   857080-15 2-1986  
6820   857080-16 2-1986  
6821   857080-17 2-1986  
6822   857080-18 2-1986  
6823   857080-19 2-1986  
6824   857080-20 2-1986  
6825   857080-21 2-1986  
6826   857080-22 2-1986  
6827   857080-23 2-1986  
6828   857080-24 2-1986  
6829   857080-25 2-1986  
6830   857080-26 2-1986  
6831   857080-27 2-1986  
6832   857080-28 2-1986  
6833   857080-29 2-1986  
6834   857080-30 2-1986  

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