The impulse to grow the MTU 199 engine household with fresh variants is an unprecedented increase in request for dense military equipment, both fresh and upgraded. The consequence is increased request for [drive teams](https://defence24.pl/industry/new-Korean-engine-to-k9-ready-to-service) of the dense work category, which constitute a bottleneck in the production of armored technology. Recently, a Polish defence manufacture has experienced this. It turned out that the waiting time for the mill fresh drive unit for the caterpillar vehicle can be calculated in years.