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| Tatra K1 | |
|---|---|
| Manufacturer | ČKD Tatra, Tatra-Yug |
| Assembly |  Prague |
| Family name | Tatra |
| Constructed | 1964–1965 |
| Number built | 2 |
| Capacity | 157 |
| Specifications | |
| Car length | 20,260 mm (66 ft 6 in) |
| Width | 2,500 mm (8 ft 2 in) |
| Height | 3,050 mm (10 ft 0 in) |
| Doors | 2 / 4 |
| Engine type | TE 022 |
| Traction motors | 4 |
| Power output | 4×40 kW |
| Electric system(s) | 600 V DC |
| Current collector(s) | pantograph |
| Wheels driven | 4 |
| Bogies | 3 |
| Coupling system | Prague-type couppling |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) |
The Tatra K1 was an experimental tramcar developed by ČKD Tatra between 1964 and 1965.