51ft Knuckle Boom (Diesel)

$396/day or $1,155/week (inc GST)

DELIVERY PRICING: from $297 (each way)


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  • Exact delivery pricing is calculated at checkout based on your suburb. You can also call us for a delivery quote 1300 546 122

    Applications - Mobile knuckle boom

    • Painting, maintenance, lighting work
    • Shopping centres & stadiums
    • Signwriting
    • Cleaning
    • Tree lopping
    • Factory, warehouse maintenance
    • General overhead work

    Product Information - Skyjack SJ51AJ

    A versatile 4x4, boom lift elevated work platform with exceptional outreach. Narrow access design, with swing and drive controls from the basket. Hire package includes two harnesses, which must be used as required by law.

    • Axle based 4WD system
    • Operator controlled locking rear differential and limited slip front differential
    • Oscillating axle
    • Drivable at full height
    • 360° continuous turret rotation
    • 45% Gradeability
    • Modular platform railing system
    • Wiring for outlet on platform
    • Direction sensing drive and steer controls
    • Proportional controls
    • Relay based control system
    • Overload sensing system
    • Operator horn
    • Spring hinged gate
    • Lanyard attachment points
    • Tie down/lifting lugs
    • Wet disc SAHR brakes (rear axle)
    • Grip lug foam-filled tyres

      Mandatory Safety Equipment

      Safety glasses Hard Hat Safety harness

      Please note, make and model of machine supplied may be different to the specifications below. If you require exact figures, please call our office.

      Download and print a pdf copy of the Skyjack SJ51AJ specifications.

      Specification Value
      Platform height 15.5m (51ft)
      Working height 17.5m
      Up and over height 7.6m
      Basket Size 0.76m L x 1.83m W
      Size (stowed) 7.25m L x 2.24m W x 2.07m H
      Working outreach 9.1m
      Safe working load 227kg
      Power Diesel
      Machine weight 7300kg

      Please read our General Safety Information Guide before operating this equipment.

      Please read our full Hire Contract Conditions here before hiring from Mega Hire.


      In addition, please note the following specific conditions:

      a High Risk Work (HRW) license is required to operate this machine

      - Employers hiring for their employees have a 'Duty of Care' responsibility under the Act

      - Mega Hire will provide instruction on operating this equipment, however it is the customer's responsibility to operate this machine safely

      - Operators Manual to be read prior to operating this machine (supplied with the equipment)

      - This equipment can only be used on flat solid ground according to manufacturer's guidelines

      - The Logbook is required to be completed by the customer when operating this machine

      - All persons using this unit must wear an approved safety harness

      CAUTION: Do not approach within 3 metres of overhead low voltage power lines or other electrical hazards

      NOTE: This unit has outriggers for use on uneven surfaces

      Multiple orders can usually be combined into one delivery (depending on size and number of equipment).

      Mega Hire deliver to the greater Brisbane area (click on the map below for an ineractive google map). We typically deliver in the morning of each day (excluding Sundays). We will contact you to inform you of a time window for delivery.

      Delivery and pickup sites must have a safe area to unload, demonstrate the equipment and complete the paperwork.

      More information on our delivery and collection service is available here.