Yes. Learn to form a more coherent question.
Include as much information as possible such as- what range rover?- classic, P38, L322 or year of manufacture.
I think he wants to know why, when he's on a rolling road, the front wheels go round but the back ones on the floor don't He's also that proud to have a handbrake that works that he had to share it with us.
if you mean the rear wheels arnt driving on the rolling road..... theres no drive getting though the centre diff .to the rear propshaft.. either its broken or its working properly and theres greater rolling resistance on the rear set of rollers than the front ones.... stick the diff lock on and it should drive both axles.....