If you're looking for manga similar to Koisuru Haguruma, you might like these titles.
The Autobots and Decepticons have been locked in a brutal civil war for eons, and now their battle has come to Earth! The Autobots seek peace and coexistence, while the Decepticons seek power and control. Earth and its populace are caught between the two as these mighty factions go head-to-head. Transformers took the world by storm shortly after their debut, and these previously uncollected stories were a vital part of that takeover!
On a primitive planet with fauna similar to Terran dinosaurs and Ice Age critters, one of the angolmois energy capsules spread by the explosion of the Nemesis has affected the locals. A gang of evil dinosaurs have been transformed into Destrons, and a battered Lioconvoy is too injured to stop them. So he transfers his energy into a mammoth named Big, charging him with continuing the good fight.
All across the universe, the forces of the Maximals and Predacons are at war... and the Maximals are on the losing end! At the central headquarters of their army, a Convoy receives report after disastrous report from the battlefield, and thinks of the small team of warriors led by Lio Convoy, fighting to keep the Angolmois energy of the planet Gaea out of the hands of Galvatron...
In the year 3195, there was a war between an army of robots and the humans. When Shaian, a sentient combat armor, lost his companion in battle, he shut down until his internal systems spotted a new human. It's now almost a 1000 years later, and Shaian's greatest enemy is still alive and doing battle in Brazil. With a new friend`s help, Shaian may be able to stop this evil force before another war rages over the continent.
In the distant future, the human race is on the brink of destruction. Mankind, which now drifts in space aboard a massive, technologically-advanced base known as Avalon, is poised to launch one final, desperate attack against its enemy, the alien race Hideauze. It’s during this battle that Ledo, a mecha pilot, is thrown into a wormhole and sent to an unfamiliar place: Earth, the lost birthplace of humanity said to have turned to ice long ago. Having been saved by the inhabitants of the Gargantia, a fleet of ships that traverses the now-flooded planet, Ledo must come to terms with these primitive people with their backwards language and technology, learn to communicate, and try to find a way back home to his place in the sky.