BOOM LIFTS On Site Access and Scaffolds has a large range of electric and diesel powered knuckle and telescopic boom lifts. Electric Knuckle Booms are primarily suitable for slab applications and external applications that are on level sealed surfaces. Knuckle booms are designed in a “z” configuration allowing the boom to extend with an up and over capability. This boom is powered by batteries and is preferred for indoor use due to its clean non polluting qualities. The machines vary in width from 1.2m to 1.75m and have platform heights that extend from 9.1m to 14m. Diesel Knuckle Booms are all 4WD, diesel powered and are manufactured to handle tough external conditions They are designed in a “Z” configuration allowing the boom to extend with an up and over capability. The machines vary in width from 1.73m to 2.1m and have platform heights that extend from 10.6m to 18.3m. Diesel Telescopic Booms are all 4WD, diesel powered and comfortable working in rough outdoor conditions. The boom extends in a straight line and is used primarily for high reach applications. These booms can slew a full 360 degrees in each direction and can be lowered from vertical to below horizontal The machine widths vary from 2.3m to 3.5m with platform heights ranging from 12.2m to 36.6m.