Having done so on discovery and 110 , and some other bigger vehicles
The usual is the carrier frame mounts to the front end of the chassis rails with landrover products utilising the front bumper mounts the lower end of the carrier frame then has bracing bars that run back under the front axle to a bracket attatched to chassis in area of gearbox crossmember .
You will need to fit heavy duty springs , and in some cases ballast the rear of the body . The lightweight poly plows are the only really viable ones on landies , the others are really too heavy HTSH