EMD SW1500, in operating condition, some of the mechanical details include:
- Length over coupler pulling faces: 44 feet, 8 inches
- Distance between bolster centers: 22 feet
- Truck-rigid wheel base: 8 feet
- Width over grabirons: 10 feet, 1/8 inch
- Height above rails: 15 feet
- Wheel diameter: 40 inches
- 2"+ wheels
- Fuel capacity: 600 to 1,100 gallons
- Engine: 12-645E, 12 cylinder, roots-blown, GM Diesel
- Main Generator: D32
- Traction Motors: Four D77/78 direct current
- Standard Gearing: 62:15 gear ratio
- Weight: Total loaded weight on rails average 248,000 pounds (1/2 variable supplies)
- Battery boxes recently rebuilt
- Installed new electric heaters
- Oil bearings
- Ditch lights
- AAR control stand
- 26 Brake
- Re-qualified batteries
- Alignment Control couplers
- Blue carded