Kurogane no Linebarrels

Based on a shounen manga written by Shimizu Eiichi and illustrated by Shimoguchi Tomohiro, serialised in Champion RED.

Fourteen-year-old Kouichi Hayase’s life has always been a mediocre one, if not dismal. However, those days of being bullied by classmates and escaping to a fantasy of being a hero are put to an end when a certain “accident” bestows on him a girl and a gigantic humanoid robot called “LINEBARREL”. The extraordinary power that Kouichi obtains puts him and everything around him on a sudden rollercoaster ride of battles, intrigues and friendship! During the course of his adventure, the boy starts to learn what life has to offer; he meets new friends, bids farewell to the old ones, but most of all he now has considerable responsibilities and is forced to confront the world around him.
http://www.linebarrels.jp/english/index.html

Ride Back

Based on a manga by Kasahara Tetsurou about a young girl who joins university in 2020, a tumultuous time of oppression and anti-government student riots, and discovers the unusual Ride Back Club, a part of an underground society devoted to "Iron Horse" robot motorcycles.

Shadow Skill

The warrior kingdom of Kuruda is home to the fiercest fighters in the world, men and women who live solely for the chance to fight, and become the greatest in the world. And no one is so intent on this goal as the young Gau Ban, who dreams of becoming a new generation of warrior. He and his adopted sister Elle, their companions, and the legendary Scarface train and battle for the mastery of the Shadow Skill.

Shadow Skill began with the pilot OVA, which was followed by the OVA series prequels. The TV series begins the story anew and covers the same ground