The bypass distributor 151.37.025-1 is an element of the old model of the hydraulic system, used in gearboxes of HTZ tractors, such as T-150, T-150K, T-151 and similar models.
The main difference from newer versions is the different arrangement of mounting and hydraulic holes on its rear surface, which requires a corresponding housing cover - 151.37.145-3. It is on this cover that it is installed and fixed using standard bolts.
Next to it on the same cover there is a set filter 151.37.067-1 assembly, which provides additional filtration of the oil circulating in the gearbox system. The joint operation of the filter and the bypass distributor ensures a stable supply and release of oil pressure necessary for the correct operation of the gearbox.
This distributor was actively used on HTZ tractor equipment until the end of the 80s, and is still in demand for the repair and restoration of units of HTZ tractors with old-type gearboxes.
