| MT | |
| Powertype: | Diesel |
| Builder: | Frichs |
| Builddate: | 1958–1960 |
| Totalproduction: | 17 |
| Uicclass: | Bo′Bo′ |
| Length: | 12.49m (40.98feet) |
| Locoweight: | 52.1t |
| Primemover: | Frichs 8.200CV (original) Maybach-Mercedes MB 820B (rebuilt) |
| Cylindercount: | 8 (original) 12 (rebuilt) |
| Maxspeed: | 70km/h (original) 90km/h (rebuilt) |
| Poweroutput: | 425hp (original) 491hp (rebuilt) |
| Operator: | DSB |
| Retiredate: | 1990–2000 |
The class MT was a class of diesel-electric locomotives of the Danish State Railways (DSB). Built by Danish manufacturer Frichs, the locomotives entered service in 1958–1960. They were primarily used for heavy shunting and branch line trains. A total of 17 units were built, numbered 151–167.
The original Frichs V8 diesel engines proved unreliable, and the locomotives were rebuilt with Maybach-Mercedes V12 engines during 1969–1971.
The first class MT unit was retired in 1990 after a shunting accident, though the remaining locomotives were not retired from DSB service until 1997–2000. MT 166 remained in use as a service locomotive (tjenestelokomotiv) until 2006.