Here is save game editor for FS 2013.
Mod version: v 1.0.
This program allow you to edit your savegame.

Changelog:
- Rewrite all base code
- Automatic detection animals
- Supports for standard and mod map
- Supports old Farming simulator 2013 savegame.

How to use:
- Just press "Load Save Game" button, then locate your save game folder;
- Set all new value by click and write
- Press "Write Changes" button to save modification
- Run your game.