You can load even more with an optional cargo belly pod as shown on the late-model Cessna 206 in the lead photo, courtesy of Textron Aviation.
For pilots moving up the Cessna food chain, the Cessna 206 Stationair isn’t a bad choice if the mission includes hauling people or stuff (or both). With the right transition training it should be easy to handle for those coming out of Skyhawks and Skylanes, it’s stable for IFR flying and just about any competent mechanic can wrench it.