| Model | DL500/A/B/C |
| Year | 1955-1967 |
| Engine | ALCO 251B (4 stroke) V12 |
| Horsepower | 1500 |
| Continuous Tractive Effort | 191kN @ 17.7km/hr |
| Max Speed... | 112.6km/h - Gear Ratio 93:18 |
| Fuel Capacity | 6065 litres |
| Driving Wheel Diameter | 1.02 |
| Length | 17.94m |
| weight | (single ended) 103.2 tonnes |
| weight | (dual ended) 105.9 tonnes |
Owners
| SPAIN 1600/1800 class | 40 units (renumbered 316/318 class) |
| SA 930 class | 37 units (6 single ended) 930 - 966 |
| NSW 44 class | 100 units 4401-44100 |
| GREECE A301 class | 10 units A301 -A310 |
| INDIA WDM1 class | 100 units (single ended) 17000 - 17099 |
| ARGENTINA | 25 units 5551 - 5575 |
| PERU | ... |
| PAKISTAN | ... |
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