Wheeled vehicle

The invention relates to a wheeled vehicle 10, 150 which includes a chassis 12; a pair of laterally spaced front sub-frames 14, each of which is pivotally connected to the chassis 12 and pivotally displaceable relative thereto about laterally spaced longitudinally extending front pivot axes 42; and a pair of rear sub-frames 16 which are pivotally connected to the chassis 12 for pivotal displacement about laterally spaced longitudinally extending rear pivot axes 64. Front and rear wheels 48, 74 are rotatably mounted on each of the front and rear sub frames 14, 16. A front transverse member 50 is connected to the front sub-frames 14 to ensure synchronous tilting of the front sub-frames 14 relative to one another. A rear transverse member 76 is connected to the rear sub-frames 16 to ensure synchronous tilting of the rear sub-frames 16 relative to one another. A longitudinally extending connecting arrangement 78 interconnects the front and rear sub-frames 14, 16 to ensure synchronous tilting of the front and rear sub-frames 14, 16.