The KoJack 4T High Lift is a chassis mounted hydraulic caravan jack designed to lift heavy caravans with less effort. It delivers up to four tonnes of lifting capacity using a smooth hydraulic action. This makes wheel changes and under body access far easier when travelling.

Unlike loose bottle jacks this system mounts under the caravan chassis. There is no need to remove jockey wheels or crawl under the van to position a jack. Ball and block fittings are included to suit most Australian caravans including Jayco Goldstream and Elite models.

This High Lift version includes an extra 150mm extension. That added height helps when lifting caravans with higher suspension or larger tyres. Despite the added capacity and fittings the kit remains compact and easy to store in the supplied carry case.

Key Features

• 4000kg hydraulic lifting capacity
• Smooth hydraulic action with three piece handle
• Chassis mounted design for easier lifting
• Includes ball and block fittings
• High lift setup with extra extension height
• Suitable for most Australian caravans
• Heavy duty steel construction
• Compact kit with fitted carry case

Technical Specifications

• Maximum Capacity: 4000kg
• Lift Range: 220mm base lift
• Additional Lift: Increased height with extension pieces
• Weight: 12kg
• Material: High strength hardened steel
• Finish: Powder coated
• Mounting Style: Caravan chassis mounted
• Operation: Hydraulic
• Colour: Orange

What’s Included

• 1 x 4T Hydraulic KoJack
• 1 x Ball fitting
• 1 x Block fitting
• 1 x 100mm extension
• 1 x 150mm extension
• 1 x Three piece jack handle
• 1 x Allen key
• 1 x Fitted carry case with attachment collars

Compatibility and Fitment Guide

The KoJack 4T High Lift is designed for caravans that allow chassis mounting.

Suitable for:

• Australian caravans with compatible chassis rails
• Jayco caravans
• Goldstream caravans
• Elite caravans
• Many off road and touring caravan setups
• Ball and block fittings are included to suit different lifting points. Always confirm chassis clearance and mounting position before purchase.

Operating Notes and Best Practices

• Park on level ground before lifting
• Use wheel chocks on the opposite side
• Raise the jack slowly using smooth handle strokes
• Do not exceed the rated lifting capacity
• Store extensions and fittings in the carry case when not in use

Frequently Asked Questions

What is the difference between this and a bottle jack?

A bottle jack is loose and must be positioned under the caravan each time. This can be awkward on soft ground or uneven surfaces. The KoJack mounts to the chassis so it is always in the correct position when needed.

A bottle jack also relies on ground clearance to work safely. The KoJack lifts from the chassis which gives a more stable lift point and reduces setup time during wheel changes. Many caravan owners prefer this style for regular touring and roadside use.

Why choose the High Lift version?

The High Lift version includes an extra 150mm extension which increases total lifting height. This is useful for caravans with lifted suspension off road setups or larger tyres where a standard lift may not clear the wheel.

The added height also helps when changing a wheel on uneven ground or in rutted campsites. It gives more flexibility in real world conditions where flat level ground is not always available.

Does it replace a jockey wheel?

No. The KoJack is designed only for lifting the caravan when stationary. It does not support towing or positioning the van. Because it mounts to the chassis it does not interfere with the jockey wheel mount. Both systems can remain installed and used for their intended purposes without conflict.