Police are urging farmers in West Lindsey to review the security of their equipment after a number of thefts in the area.
In the last 48 hours a tractor and JCB have been stolen from a farm near Caenby Corner.
The vehicles have been recovered but no arrests have been made.
Officers are urging farmers not to leave their vehicles in unlocked outbuildings or in fields overnight.
If you have a crime to report or want to give information on criminals call Lincolnshire Police on 101.
To give information anonymously call Crimestoppers on 0800 555 111.