The KKS-400 crane is an exclusive development of the designers of the NPP "Betta". The crane is installed on ceilings and on the roof of buildings under construction. The collapsible design allows two workers to mount and dismantle the crane. The crane is equipped with counter-weights.
| Maximum lifting capacity, kg: | |
| outreach 1.3 m | 400 |
| outreach 1.66 m | 200 |
| Maximum hook lowering depth m | 60 |
| Maximum speed of lifting (lowering) load m / min | nine |
| Crane weight without winch kg | 250 |
| Counterweight weight, kg | 250 |