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About Loaded 4X4 Suspension

If you’re visiting this store and reading this page, then we’re guessing you’re intending to upgrade your 4X4’s suspension at some stage in the near future, and you should, because the benefits are immense.

It’s our collective opinion that of all the ‘legal’ mods that you can make to your new 4X4, upgrading the suspension is the one that you’ll get the most day to day value from as it will transform the driving experience.

Brendan O’Keefe is one of the directors of 4X4 Ventures Pty Ltd, the company that owns the Loaded 4X4 brand and this store. If you know even a little about the local Aussie suspension industry, O’Keefe is a name you’ll have come across. Brendan was born into his career in the suspension industry, a calling that is probably unavoidable when your dad is Ken O’Keefe, the founder of The Ultimate Suspension.

Brendan has worked in every facet of the suspension industry, from fitting to tuning, to customer service, he’s even travelled the world to work on 4X4 and armoured vehicle suspension systems for clients.

Brendan and Steane (one of the other directors) have spent two years - since right around the time COVID-19 became a thing - planning a range of suspension kits to sell under the Loaded 4X4 brand. Our plan has never been to follow industry trends, so you won’t find any monotube remote reservoir or adjustable by-pass style shocks here. We’ve opted to keep it simple, which reduces the failure points that these ‘on-trend’ products introduce through additional complexity.

We’ve seen enough leaking remote reservoir arrangements and jammed adjusters to know that a simpler alternative remains very viable, one that does the job and does it without fuss.

All of which, brought us back to the twin-tube nitrogen gas-charged style shock absorber, and one that Brendan has many years of experience dealing with. Our twin-tube shocks are fitted with very high-quality internal components, such as an 18mm hardened chrome piston rod and uniquely to this shock design, a 36mm high-flow monotube piston with multi-stage, velocity-sensitive valving, and a smart self-adjusting foot valve arrangement. Take a mental note of that monotube piston about now.

The outer wall of each shock is 2.5mm thick, which means you’re going to find it difficult to do any damage that will stop these shocks from working out in the field.

So why twin-tube rather than monotube?

Well, we’ll be honest here and say that if you’re planning to enter an off-road race, then monotube shocks are what you’ll be wanting. At extreme levels of use and abuse, they stay cooler, suffer less from cavitation, in part due to their piston design and that makes them hard to beat, when you’re dropping huge dollars on race spec suspension componentry.

In the real world however, the twin-tube shock absorber design has its benefits, including a more compact design that allows more ‘piston stroke’, which in layman's terms, means the shock gets more of a chance to work. Inherent in the twin-tube design is a higher level of durability, along with the ability to absorb more external damage without the piston being compromised, in addition to excellent all-round performance and value.

Our twin-tube shocks merge the best of both worlds, by incorporating that big 36mm monotube piston we asked you to take a mental note of earlier. As it does in monotube shocks, this floating piston design reduces oil cavitation and heat build-up and fade, which means our twin-tube shocks are essentially offering the best of both worlds.

Shocks aside, as per our motto, we only deal in gear that works, and every one of our suspension kits ships with only top-quality componentry, sourced locally and from overseas, wherever the best quality gear can be found. All of which means we have complete faith in our suspension product range and that allows us to cover it with a 3-year unlimited-kilometre warranty.


Tuned, developed and tested in Australia.

Two tunes to choose from, Standard and Dynamic Tune (see our video about Dynamic Tune below).

Robust Twin-Tube Gas Design with Extra Strong 2.5mm outer wall for maximum strength in the toughest conditions.

Reinforced mounts for ultimate reliability.

Adjustable coil seats on all struts.

36mm High Flow Monotube Piston with multi-stage, velocity-sensitive valving that provides greater control, improved ride quality, and cooler operating temperatures at all speeds.

Multi-Stage foot valve that adjusts to driving conditions.

Heavy-duty 18mm diameter Hardened Chrome Piston Rod that is stronger for off-road driving and resists sideways deflection at full droop.

Nitrogen gas charged to resist fade by reducing oil cavitation.

Premium quality triple lip wiper oil seal that keeps contaminants out and reduces the likelihood of hydraulic leaks.

High Durability Rubber Bushes are used for improved flexibility and longer life.

Exclusive High Temperature, Foam Resistant Hydraulic Oil that resists shock fade and works through a broader temperature range than lesser oils.

We only use very high-quality coil springs, leaf packs, and hardware in our kits.

3-year unlimited-kilometre warranty.