pair of side load rests 17 each comprising an upright bar 19 one on either side of the upright mast 11 furthermore there is provided a side shift ram 45 and a pair of tilt rams 47 connected intermediate the upright mast and the mast carriage to shift the mast sideways and tilt the mast relative the mast carriage and the chassis respectively the upright bars 19 are shown in a platform engaging position furthermore the means to move the mast carriage towards and away from the rear crossbar is provided by a pair of double acting rams 49 one adjacent to each side bar one end of which is mounted on the chassis 3 the other end of which is connected to the mast carriage 9 in the embodiments shown the forklift truck is a three wheeled forklift truck with a pair of front wheels adjacent the forward most ends of the side bars and a rear steering wheel mounted centrally on the rear cross bar however the forklift could be provided with four wheels as opposed to three with a pair of rear wheels furthermore the forklift is shown with a standard upright mast this upright mast may also be an upright mast with a boom mounted thereon pivotally or otherwise such as those described in the applicants own co pending european patent application nos ep 1 396 467 and ep 1 531 141 it is further envisaged that a mast carriage interlock system may be incorporated in the present invention this mast carriage interlock system operates to prevent the operator of the forklift from retracting the mast carriage until the attachment or reach device that permits extended reach to the forks is fully retracted this ensures that.