Have you opened the diff to check any damage from the noise?

Booked for an alignment and tyre balance. Might start from the basics :confused:

Tried dipping the clutch, mixed results, the sound is bit louder when accelerating than decelerating Will try this method again

I only have chunky firewood an the factory tool to jack de car up, will try it this weekend. Its strange, the noise is only between 60-65 km/h. Could it be the gearbox?

Tyres are in good shape, is a good diagnostic jacking the car up and accelerating to 60kmh to see if it isnt the tyres?

Got a defender 90 2011 with 60k miles, already checked wheel bearings, the car was neglected for a while so i assume the sound started long time ago. Changed all diff and transfer box oils. Just want to know if someone had this kind of problem of a low humming noise only at that speed, the...