A gear unit having at least one planetary gear stage, wherein the planetary gear stage has a pinion cage with two side pieces, wherein the first side piece of the pinion cage is connected to the second side piece of the pinion cage by means of land regions, wherein the first and the second side piece are spaced apart axially, i.e. parallel to the direction of the axis of rotation of the pinion cage, from each other, wherein the land regions are spaced apart regularly from each other in the circumferential direction, wherein in the respective angular range covered in the circumferential direction by a respective land region in each case a conveying means, in particular for oil, in particular a conveying cell for oil, is arranged, in particular formed on the respective land region and projecting radially inwards, in particular on the respective land region, characterised in that the respective conveying means has a respective supporting wall and respective scoop regions, the respective supporting wall being formed onto one of the land regions and extending radially inwards starting from the land region, with the respective scoop regions being spaced apart from the respective land region and being formed onto the supporting wall, with a first scoop region of the respective conveying means extending, in particular protruding, in the circumferential direction, and a second scoop region of the respective conveying means extending, in particular protruding, counter to the circumferential direction, the conveying means in the circumferential direction or counter to the circumferential direction being formed mirror-symmetrically to a radial plane passing centrally through the supporting wall. wherein the planetary gear stage has a pinion cage with two side pieces, wherein the first side piece of the pinion cage is connected to the second side piece of the pinion cage by means of land regions, wherein the first and the second side piece are spaced apart axially, i.e. parallel to the direction of the axis of rotation of the pinion cage, from each other, wherein the land regions are spaced apart regularly from each other in the circumferential direction, wherein in the respective angular range covered in the circumferential direction by a respective land region in each case a conveying means, in particular for oil, in particular a conveying cell for oil, is arranged, in particular formed on the respective land region and projecting radially inwards, in particular on the respective land region, characterised in that the respective conveying means has a respective supporting wall and respective scoop regions, the respective supporting wall being formed onto one of the land regions and extending radially inwards starting from the land region, with the respective scoop regions being spaced apart from the respective land region and being formed onto the supporting wall, with a first scoop region of the respective conveying means extending, in particular protruding, in the circumferential direction, and a second scoop region of the respective conveying means extending, in particular protruding, counter to the circumferential direction, the conveying means in the circumferential direction or counter to the circumferential direction being formed mirror-symmetrically to a radial plane passing centrally through the supporting wall.