This is a self-propelled lawn mower from Stihl, which is petrol-powered, which is a good option for you with a large garden. With a maximum cutting width of 53 cm your lawn will be
Acme Tools
Stihl RM 655 V Gas Powered Push Mower
ITS
STIHL RM 655 V Petrol 53cm Lawn Mower
Caulfields
RM 655 V Comfortable petrol lawnmower with 3-in-1 function