A shovel, comprising: a turning drive unit , the turning drive unit including a turning electric motor ; a turning speed reducer (24-1) configured to transmit a rotational driving force of the turning electric motor to a turnable body ; a brake unit configured to maintain the turnable body in a state where turning of the turnable body is stopped; and a casing forming a space (SP1) in which the turning speed reducer (24-1) and the brake unit are lubricated with lubricant oil (LB1) and accommodated, characterized in that : the casing includes a bottom plate part that defines a bottom surface of the space (SP1), the bottom plate part including a support portion at an inner radial end thereof, the support portion supporting a bearing and an oil seal , the bearing and the oil seal being provided between the support portion and an output shaft part of the turning speed reducer (24-1), and the support portion projects upward relative to an annular groove forming a recess (52r, 52r-1, 52r-2, 52r-3), the recess (52r, 52r-1, 524-2, 52r-3) being formed in an upper surface of the bottom plate part and radially outward of the support portion . a turning drive unit , the turning drive unit including a turning electric motor ; a turning speed reducer (24-1) configured to transmit a rotational driving force of the turning electric motor to a turnable body ; a brake unit configured to maintain the turnable body in a state where turning of the turnable body is stopped; and a casing forming a space (SP1) in which the turning speed reducer (24-1) and the brake unit are lubricated with lubricant oil (LB1) and accommodated, characterized in that : the casing includes a bottom plate part that defines a bottom surface of the space (SP1), the bottom plate part including a support portion at an inner radial end thereof, the support portion supporting a bearing and an oil seal , the bearing and the oil seal being provided between the support portion and an output shaft part of the turning speed reducer (24-1), and the support portion projects upward relative to an annular groove forming a recess (52r, 52r-1, 52r-2, 52r-3), the recess (52r, 52r-1, 524-2, 52r-3) being formed in an upper surface of the bottom plate part and radially outward of the support portion . a turning electric motor ; a turning speed reducer (24-1) configured to transmit a rotational driving force of the turning electric motor to a turnable body ; a brake unit configured to maintain the turnable body in a state where turning of the turnable body is stopped; and a casing forming a space (SP1) in which the turning speed reducer (24-1) and the brake unit are lubricated with lubricant oil (LB1) and accommodated, the casing includes a bottom plate part that defines a bottom surface of the space (SP1), the bottom plate part including a support portion at an inner radial end thereof, the support portion supporting a bearing and an oil seal , the bearing and the oil seal being provided between the support portion and an output shaft part of the turning speed reducer (24-1), and the support portion projects upward relative to an annular groove forming a recess (52r, 52r-1, 52r-2, 52r-3), the recess (52r, 52r-1, 524-2, 52r-3) being formed in an upper surface of the bottom plate part and radially outward of the support portion . <EOS>