能说话、拥有自我意识的三辆交通工具型的机械生命体“炎神”。与喜欢破坏环境、制造污染公害的机械生命体蛮机族的三位大臣,在异世界 机械世界中交战。虽然炎神成功击退蛮机族,但是蛮机族的三位大臣却趁机从异世界 机械世界逃了出去。 然后半年之后,人类所居住的地球突然出现了蛮机族,在地球环境被破坏殆尽之前,三位年轻人挺身而出。他们正是赛车手江角走辅、巴士司机香板连和卖早餐少女楼山早辉,半年前追击蛮机族的而来到地球的炎神,他们赐予三人正义的力量,让三人化身为对抗蛮机族的正义英雄炎神战队轰音者。Six giant vehicular beings called Engines chase down three Pollution Ministers' from the Barbaric Machine Clan Gaiark from the Engine's home world to Earth. The six Engines manage to pursue them, selecting five humans to become their partners, the Go-ongers. The team are joined by Go-on Wings and their Wing Engines, as well as the Ancient Engines, as they all together battle the Gaiark as well as other evil villains from other Braneworlds.