POWER TAKE-OFF ASSEMBLY OF A WORK VEHICLE COMPRISING AN IMPROVED LUBRICATION ARRANGEMENT

Power take-off, PTO, assembly (1) for a work vehicle, comprising: - a hydraulic arrangement (10) comprising: - a brake line (6) fluidly connecting a source of fluid in pressure (7) at least one brake; and - a clutch line (8) fluidly connecting source (7) to at least one clutch; said hydraulic arrangement (10) further comprising valve means (11), which are configured to control the flow of fluid between source (7), brake line (6) and clutch line (8); wherein valve means (10) comprising a spool (13), said spool (13) being controlled to assume at least a first and a second configurations, in both configurations the valve means (10) defining a leakage flow configured to be directed to operational elements of PTO assembly (1) for lubrication thereof.