Created with the 500's combination function and the N700A's battle prowess in mind, the Doctor Yellow takes the N700A's Duel Mode and reinvents it into the Inspective Laser Shield for protection purposes. Its large size makes it one of the more powerful Shinkalions, while it's laser weapons and scanner make it one of the most versatile.
The Doctor Yellow is a 700 series shinkansen with a yellow exterior and a blue waistline stripe.
The Doctor Yellow, when transformed, becomes a humanoid mech, which still keeps it's chest the same the nose of it's shinkansen mode and has access to the Laser Weapons, 2 multi-functional weapons that can convert from the Laser Blasters to the Laser Swords. The Doctor Yellow also has a Head Gear resembling a conductor's hat, and has a blue visor known as the Laser Scanner used for scanning. Unlike the other Shinkalions, the Doctor Yellow is a 5 car configuration, being much larger than the other shinkalions as a result.
- It is the largest shinkalion.