A gearbox 146 includes a gearbox housing 201, at least one gear 147, and a plurality of scavenge ports 145. The gearbox housing 201 has a top portion 224, two horizontal portions 226, and a bottom portion 216 opposite the top portion 224. The bottom portion 216 is oriented in the direction a fluid would drain under the influence of gravity during normal operations. The two horizontal portions 226 are oriented at a right angle relative to the bottom portion 216. The at least one gear 147 is disposed within the gearbox housing 201 and has a first axial position. The plurality of scavenge ports 145 are defined by the gearbox housing 201. The plurality of scavenge ports 145 are aligned axially with the at least one gear 147 at the first axial position. At least one scavenge port 145 of the plurality of scavenge ports 145 is located within the gearbox housing 201 at the two horizontal portions 226.