That sounds like a great update for the LodeKing Distinction Super-B Bulk v1.0 semi trailer! Optimizing the file and adding all fill types will definitely enhance the trailer's versatility and usability in the game. Offering free configurations is a nice touch for players who like to customize their equipment without extra cost. Increasing the empty speed will make the trailer more efficient during transportation, and providing the option to buy the front or back separately adds even more flexibility for players to modify the trailer to suit their needs. Overall, these improvements should make the LodeKing Distinction Super-B Bulk v1.0 even more attractive to players looking for a high-quality semi trailer in FS25. Great job!