Kawasaki had a license to build Lockheed 14s and the Koku Hombu asked them to design a better transport aircraft which became the Ki-56. The head designer was Takeo Doi.
The Ki-56 had a longer fuselage and the support structure in the wing was different.
The construction of the Ki-56 was all metal with fabric on the control surfaces.
There was a large cargo door in the fuselage that had a smaller door for personnel.
There was a beam that went along the top of the fuselage to facilitate loading and unloading of cargo.