The bodies are based on an old Tokyo Marui 1:12 Big Bear Datsun body.
Width at front wheels: 148 mm
Width at rear wheels: 159 mm
The two different bodies have different lengths:
ShortWB length: 367,3 mm
ShortWB wheelbase: 232 mm
LongWB length: 390 mm
LongWB wheelbase: 263 mm
The window version has window cut outs which can be filled with lexan sheet from the inside. The non-window version is easy to print.
The bed from the two body versions can be mixed to create intermediate wheelbases, respectively 240mm and 252 mm.