https://en.wikipedia.org/wiki/International_Loadstar
The Schoolmaster 1603, 1703, 1803, and 1853 were cowl-chassis models used for school-bus type bodies, the 1853 was also available as a forward control bare chassis for flat-nosed bodies. The Schoolmaster had longer wheelbases available than the Loadstar, otherwise they were mechanically the same. ... Contact Wikipedia; Mobile view;