To repair with the adjustable wrench "crescent" in FS25, follow these steps:
1. Walk up to your toolbox in the game and click 'R' to pick up the wrench. The adjustable wrench, commonly known as a Crescent wrench, should now be in your inventory.
2. Walk over to the tractor that needs repair and position yourself close to it.
3. Hold down the left mouse button while hovering the wrench over the tractor. This will initiate the repair process.
4. Since you mentioned repairing for free, it seems like repairs in FS25 might not cost any in-game currency.
5. Additionally, you mentioned using super strength to pick up and move. It's possible that in FS25, the player character may have enhanced strength abilities to easily pick up and move objects like the wrench or other items within the game world.
By following these steps, you should be able to repair your tractor with the adjustable wrench in FS25. If you encounter any issues or need further assistance, feel free to ask!