This is a hybrid valve block specially developed for the forestry industry. It consists of a DANFOSS POWER SOLUTIONS PVG32 proportional valve, combined with a COMATROL-HIC block. The subsystem designed by HAINZL combines the main functionality of the proportional control system with the cost effective and space saving design of the cartridge block technique. In addition, the entire system comprises customised HAINZL mobile control which, according to expert opinion, has become one of the most efficient harvester traction winches on the market.