| Model | DL531 |
| Year | 1959-70 |
| Engine | ALCO 251 (4 stroke) 6 cylinders in line. |
| Horsepower | 970 |
| Continuous Tractive Effort | 179 kN @ 10km/hr |
| Max Speed... | 120km/h - Gear Ratio 92:19 |
| Fuel capacity | 2270 litres |
| Driving Wheel Diameter | 1.02m |
| Length | 14.76m |
| weight | 71.4 tonnes |
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