Methods and systems may provide for a sink module that receives packets from a source module, wherein each of the packets has a source timestamp corresponding to a source module packet arrival time. The clutch hub comprises a flange that is fixable at clutch housing or the like; a substantially cylindrical element for receiving the clutch hub such that the clutch hub is rotatable; and a sleeve with at least one groove formed therein for providing at least one channel that allows oil to be supplied to the clutch through this channel. The system permits an operator to realize a significant reduction in operating costs. A portion of the frame extends in front of the leg shield.