SAO PAULO, June 21 (Reuters) - Brazilian truck rental company Vamos said on Wednesday it has filed for a share offering aimed at raising money to boost its organic growth, including purchasing new vehicles and lowering its net debt.

Vamos, controlled by holding company Simpar, said in a securities filing the primary and secondary offering will comprise a total 118.39 million shares, of which 78.9 million will be new shares. (Reporting by Gabriel Araujo; Editing by Steven Grattan)