The thefts are believed to have taken place between 9pm on Wednesday, July 20, and 8am on Saturday, July 23.
The quad bike is a Honda Big Red, with black racks front and back, along with a ‘BIGRED’ sticker on the tank.
The first mower is an orange Husqvarna R214TC, with a black frame. The second is a bright green Viking MT4112S, with a black frame.
Constable David Calvert said: “We are looking to speak to anyone with information on this theft, or the vehicles in question. We are also keen to speak with anyone who may have been driving on the B987 entry to Kintore on any of the nights towards the end of the week and may have seen any suspicious activity.
“Anyone with information is urged to call police on 101, quoting incident 1075 of 23 July. Alternatively, you can call Crimestoppers on 0800 555 111, if you wish to remain anonymous.”