The break-in happened sometime between 7pm last night and 7am this morning.
The farmyard at Barna, Dunkerrin in North Tipperary was broken into overnight and a significant amount of tools and equipment stolen.
Among the items stolen are a blue car trailer, a quad, chainsaws, welding equipment and a large amount of tools.
It's estimated that the value of the stolen goods is between 11 and 12 thousand euro.
Gardaí in Roscrea are investigating the robbery and are appealing to anyone who may have noticed anything suspicious in the area last night to come forward.
In particular, Gardaí are looking for any information on any strange vehicles that may have been seen in the area of Dunkerrin between 7pm last night and this morning to contact them.
Roscrea Gardaí can be contacted on 0505-24230 or the Garda Confidential Line on 1800 666 111