The Stridsvagn m/40 was produced by Landsverk under the designation Landsverk L-60. It was the first tank in the world to use a torsion bar suspension, and was sold to several countries, including Hungary who made a license-produced version with the Toldi tank series.
Karlsverk later produced an up-armoured version of the Stridsvagn m/40, after which the Landsverk version received the designation Stridsvagn m/40L (with a total production of 100 tanks) and the Karlsverk version received the designation Stridsvagn m/40K (with a total production of 80 tanks). In order to maintain the speed despite the 1,8 t weight increase, a more powerful engine was installed.
| Stridsvagn m/40K | Stridsvagn m/40L | |
|---|---|---|
| Crew | ||
| Crew | 4 | |
| Physical Characteristics | ||
| Weight | 10.9 t | 9.1 t |
| Length | 4.9 m | |
| Width | 2.07 m | |
| Height | 2.05 m | |
| Armour | ||
| Armour (range) | 4-50 mm | 4-15 mm |
| Performance | ||
| Speed (max) | 45 km/h | |
| Engine | ||
| Engine | Scania-Varbis L 603 | Scania-Varbis 1664 |
| Net h.p. | 162 | 142 |
| Armament | ||
| Primary weapon | 37 mm Bofors (1) | |
| Secondary weapon | ksp m/39 strv (2) | |

