Boom lifts are among the most rapidly advancing machines in the off-highway equipment market. Models that were considered advanced only a few years ago are already considered old school when compared to today’s designs with greater capabilities and features than ever before.

Consider Model 340AJ boom lift from JLG Industries, McConnellsburg, Pa. The 340AJ achieves a lift height of 34 ft, a horizontal reach 20 ft, and an up-and-over reach of 17 ft. This is all accomplished with compact hydraulic cylinders and proportional direction valves for precise control and pressure-control valves that prevent sudden drops in the unlikely event of component failure. Furthermore, when hydraulic actuators are commanded to their stowed position, the 340AJ is only 2-m high and less than 2-m long.

In addition to its impressive reach capabilities, the 340AJ’s turret swings 355° and its 30- by 60-in. work platform can be hydraulically pivoted sideways 180° for maximum operator accessibility. But what makes the 340AJ as nimble at a construction site as it is on the warehouse floor is its powerful hydrostatic 4-wheel drive, which gives it a gradeability of 45%. Hydraulically articulated steering provides an inside turning radius of only 1.52 m.

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