Track assembly for a tracked vehicle

A track assembly for a tracked vehicle, said track assembly being configured to be connected to a vehicle body of said vehicle, said track assembly comprising a track support beam supporting a plurality of road wheels, a drive wheel member, and a drive arrangement for operating said drive wheel member, said drive wheel member being rotated about a centre axis, an endless track being disposed around said road wheels and drive wheel member, wherein said drive arrangement comprises a drive unit for driving said drive wheel member, wherein said drive arrangement comprises a drive axle being coaxially arranged relative to said centre axis of said drive wheel member for rotating said drive wheel member, wherein said drive unit is journaled in bearings to a portion of the drive axle protruding from said drive wheel member, wherein said drive unit comprises a torque arm connected to said track support beam so as to essentially prevent rotation of said drive unit about said centre axis.