Kojack KJ4T100 4T Higher Extension Jack Kit

Kojack KJ4T100 4T Higher Extension Jack Kit. The ideal caravan jack that is able to lift a huge 4tonnnes almost effortlessly.


$260.00 incl. GST

In stock

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SKU 814-2003 Category


The ideal caravan jack that is able to lift a huge 4 tonnes almost effortlessly.
Its 3-piece jack handle ensures a smooth hydraulic action.
The Kojack mounts under the caravan chassis, so there’s no need to dismantle jockey wheels, and its compatible with both ball and block fittings to match most Australian caravans such as Goldstream, Elite and Jayco.


  • Able to lift 4 tonnes almost effortlessly
  • Compatible with both ball and block fittings to match most Australian caravans such as Goldstream, Elite and Jayco.


  • Weight: 12kg
  • Lift Range: 220mm (more if extension pieces are used)


  • 1 x Kojack KJ4T100 4T Higher Extension Jack Kit
    • 1 x 4t hydraulic Kojack
    • 1 x ball fitting
    • 1 x block fitting
    • 1 x 100mm extension
    • 1 x Allen key
    • 1 x 3-piece jack handle1 x fitted carry case and attachment collars.


Not what you are looking for? Check out our full range of Kojack Jack & Parts here.

Please note: Do not unscrew the centre shaft more than 6cm out, if jacks are damaged due to this, Purpleline will not cover the unit under warranty.

Please ensure that this product is installed by a Licensed Technician and compliant with Australian Standards, as improper installation can lead to serious injury or death.

Additional information

Weight 12.4 kg
Dimensions 37 × 25 × 16 cm
Manufacturer Part Number




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3 reviews for Kojack KJ4T100 4T Higher Extension Jack Kit

  1. Andrew Smith (verified owner)

    Good strong jack, I just needed to make adapter to fit my jayco journey outback..

  2. Anonymous (verified owner)

  3. Bruce I. (verified owner)

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Warehouse only products are stocked in our off-site warehouse only, and require transfer to our Showroom for collection. If you wish to visit us in store to purchase one of these products, please contact us prior to organise a transfer. Please note that transfers are available for purchases, not for viewing purposes. Transfers occur daily.

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Made to Order (MTO) Item

Products marked as made to order are manufactured specifically for your order by the Manufacturer. 

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IMPORTANT: We are unable to approve returns or refunds on MTO items.

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