Official site of Hino Motors Manufacturing U.S.A., Inc. (HMMUSA). HMMUSA produces medium duty (class 6 & 7) commercial trucks in the United States. HMMUSA is a subsidiary of Hino Motors Ltd., a global manufacturer of all sizes of commercial trucks (including hybrids), and touring buses. HMMUSA is also produces parts in the United States for the Toyota Tundra, Tacoma, and Sequoia.