A digger worth around £5000 and a trailer worth around £1500 were stolen from a property in Horsham last Thursday (April 10).
The equipment was taken from the Hammerpond Road property between 7pm and 11.30pm.
The digger is described as an Airman Micro Digger, but there is no description available for the trailer.
Offenders were able to gain access to the yard through an open gate.
Police have appealed for witnesses. Anyone with information can call 101 quoting serial 1715 of 10/04/14.