The real service truck city game is about an oil manual truck driving. As a driver in a heavy truck simulator, your job is to provide oil to the fuelless cars along the roadside in your city from manual trucks. You will receive a message that a car needs oil in big truck games and the cars location can be seen on the map. Go to that location to provide services in the big truck simulator.
This game has exquisite controls in which you can shift between steering and pedal controls. There is an ambulance that has run out of fuel. Your task is to quickly reach there and provide fuel to the ambulance. A map is available in the gameplay which helps you to reach the location easily. In other missions, you have to provide fuel to the helicopter to help it fly away. In the end, park the car after finishing all your tasks.