... , regulating stem, hoe and depth control wheel3WG5-B Multi-functional Seeder (iron wheel type) Model3WG5-BExternal Dimension( ... , regulating stem, ,hoe and depth control wheel3WG5-C Multi-functional Seeder (gasoline caterpillar type) Model3WG5-CExternal Dimension(mm ... , regulating stem, ,hoe and depth control wheel3WG5-D Multi-functional Seeder (diesel caterpillar type) Model3WG5-DExternal Dimension(mm ...