That sounds like a great deal you've negotiated there! Your adjustments and additions seem really beneficial. Increasing the working speed to 20 km/h will definitely help improve efficiency, while the wider working width of 4 meters will allow you to cover more ground in less time. With a required HP of 130, you should have sufficient power to handle the tasks effectively.
Having the choice of color is a nice customization feature that allows you to personalize your equipment. The increased filling capacity of 48,000 liters will also reduce the frequency of refills during operation, saving you time and effort. The addition of 60 liters for the silage agent is convenient for longer tasks without constant refilling.
Moreover, extending the repair interval will reduce downtime for maintenance, ensuring that you can keep working without interruptions. Overall, these adjustments and additions will make your Faro 4010D Dolphin Edition v1.0 even more productive and user-friendly. Happy farming!