Ok this isn’t a Land Rover, but this weeks Friday video is just too awesome to not to post up here!
Have a look at this little beauty with 7ft of articulation (up or down!)
The spec’s from the video page are as follows:
Cams hydraulic Chain-drive 4×4, about 7 feet of up OR down motion on each tire Fuel injected Ford 5.0 V8 out of a ’93 cobra mustang C4 transmission out of an early bronco 9″ w/ 5.38 gears and ARB air locker mounted in the center (below driver) Running chain gears on the ends where the swing arms pivot Body construction is steel tubing (mostly DOM) and the total weight is 5900 LB. Swing arms are hydraulically controlled individually or together, and there is coil spring and shock suspension as well Large chains running inside the swing arms turn hummer gear reduction (2:1) hubs at each wheel. tires are 39.5″ The steering is linked through the swing arms as well and the steering box is mounted just in front of the axle below the driver 
