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Low operational cost and Minimized down time The head is designed to operate in tough conditions with low operational cost and minimized down time. As an example of that is the hose routing trough the link which is well protected in order to make life easy for the hoses. Also main hydraulic installation is designed as robust as possible with proven components and sturdy design. Pipes are used in order to increase life time on hydraulic components. Komatsu 398 is also designed with ORFS couplings in order to prevent leakage and down time. A well protected saw unit also contribute to less down time.
EcoOiler As other Komatsu Forest heads also 398 is equipped with the unique EcoOiler system. The system is designed to provide exactly the right volume of lubrication oil to the bar and chain. Volume can easily be optimised depending on species and diameter of the stem.
Three driven feed rollers The head is designed with the concept of three driven feed roller. The benefit of this concept is that the feed rollers will carry the tree meanwhile delimbing knives are only used for delimbing, and picking the trees/stems.
Precise measuring The system for length measuring is of a unique design. The design allows the measuring wheel to follow the stem in a very good way. Basically it is the hydraulic cylinder and valve in combination with the measuring wheel arm that is the key to good contact with the stem. The measuring wheel and sensor is designed as a touch less system using magnetic for providing measuring wheel information.
Processing operations In order to be able to process and handle pre felled trees the head´s front knives are designed for processing operations. FindEnd function (option)is another feature that is useful when operating the head as a processor.