The accident occurred on September 5 on a busy route from Yokohama to Tokyo, causing the front 3 cars to derail and the car's window to break when it was hit by a train.
The truck caught fire, hundreds of oranges and lemons fell all over the railway.
According to the Keikyu suction ship company, the ship's captain brake quickly but it was too late to avoid the collision.
The Yokohama accident is a rare accident in the railway industry, which is known for its reliability in Japan.
"The emergency rescue team took 30 injured people to the emergency room for care. Among the seriously injured, one person died, the Daily Mail quoted a Department of Rescue official as saying.
About 500 people were on the boat when the accident occurred. The cause of the incident is being investigated.