Thieves who stole a €50,000 John Deere 7810 tractor drove it through two railings and a motorway crash barrier to make their escape onto the M4 last week.
The machine, owned by farmer/contractor Chris Rooney, was stolen from a field between Enfield, Co Meath, and Kilcock, Co Kildare, around dawn last Tuesday.
The tractor was one of eight parked overnight and it is believed that the John Deere 7810 was stolen because it had an easily detachable grubber on the back, while the other tractors had other machinery such as rotovators and de-stoners attached.
"They must have been looking for something that they could unhitch and get away with quickly," said Mr Rooney.
The tractor, registration plate 03 MH 7448, was last seen travelling eastbound towards Dublin on the M4 motorway at 6.20am on Tuesday morning.
The tractor has a stainless steel exhaust, front linkage and a Patchwork Black Box GPS system. There is a small hole located in the centre of the front grill below the two headlights and a broken small hydraulic lever on the rear right-hand mudguard.
Mr Rooney is offering a reward for the return of the tractor and anyone with any information is asked to contact him on 087 2586816.
Meanwhile, the Garda Stolen Vehicle unit recently recovered a New Holland T7040 and Linden grain trailer stolen in Armagh at a rented premises in Kentstown, Navan, Co Meath.
The property had previously been used to store stolen machinery.