Custom built trailer fabricators and builders
Ultimate Plant Trailers is an Australian-owned and operated business in Geelong, Victoria, with over 35 years of experience in custom fabrication.
We specialise in custom made trailers, working with you from the first conversation through to delivery to ensure your build is exactly what you need. As experienced trailer builders, we use Australian steel and precision fabrication, with every trailer designed in 2D and 3D CAD so you can fully visualise and customise before production.
From heavy-duty plant trailers to tailored solutions designed by expert machinery trailer builders, we create custom trailers that suit your application. Options like slide-out toolboxes, equipment housings, and multiple beavertail and ramp combinations can all be included. Finished in your choice of durable 2Pac paint and backed by a three-year workmanship warranty, our trailers are built for performance, reliability, and lasting value.
Single Axle Trailers
We offer a wide range of single axle trailers. From spring mesh ramps to full hydraulic options. We have also introduced a workmate range for a more cost effective approach. Carrying capacity up to 13T ATM. Explore our Single Axle Trailers.
Tandem Axle Trailers
These versatile trailers can be constructed to suit a wide range of applications. From excavator and bobcat combinations to large plant and attachments. Carrying capacity up to 24.6t ATM, our tandem axle trailer fabricators build these trailers to suit your needs on any project. Learn more about our Tandem Axle Trailers.
Tri Axle Trailers
Our most popular trailer, with a wide range of options. This trailer can be customised to suit your every need. The tri axle trailer builders lend their expertise to create a trailer that can be used for pretty much any application. There’s not much you can’t do with this trailer. Built like a semi – towing is a breeze! Carrying capacity up to 32t ATM. Discover our Tri Axle Trailers.
3 Axle Dog
Upping the ante, this dog trailer improves the carrying capacity of your truck by distributing weight to the forward axle group. Carrying your large plant equipment has never been easier! Carrying capacity up to 25.5t ATM. See our Three Axle Dog Trailers.
4 Axle Dog
The ultimate setup, this trailer gives versatility and stability. With a wide range of options available, we can build to suit your every need. From attachment housings to in deck wells, nothing is off limits. Carrying capacity up to 33t ATM. Learn more about our Four Axle Dog Trailers.
Gooseneck Trailers
Our gooseneck trailers are designed for strength, balance, and stability on long hauls. Built to handle demanding loads, they’re perfect for machinery transport and heavy plant work. With options such as flat bed goosenecks and heavy-duty builds, our gooseneck trailer builders customise every detail to suit your operation. Carrying capacity up to 16t ATM. Learn more about our Gooseneck Trailers.
Drop Deck & Swan Neck Trailers
When you need flexibility for machinery with extra height, our drop deck and swan neck trailers are the solution. With beaver tail ramps, multiple deck heights, and heavy-duty builds, these trailers are engineered for safe and efficient loading. Our drop deck trailer fabricators make sure every trailer is custom designed to your needs. Carrying capacity up to 30t ATM. Explore our Drop Deck & Swan Neck Trailers.
Custom Truck Trays
We design and fabricate custom truck trays tailored to your exact requirements. Built using Australian steel with options like toolboxes, equipment housings, and attachment points, our truck tray builders ensure you get durability, practicality, and style. Backed by our 3-year workmanship warranty. View our Custom Truck Trays.
Innovation, safety and durability in every trailer
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Custom Trailers by UPT
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Custom UPT #ultimateplanttrailers #custom #gooseneck #f450
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Custom Gooseneck heading out, thanks to Will & Wormall Plant Hire for working with UPT on this build.
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Happy Father’s Day to my Dad.
A firefighter who taught me to work hard for my family as he did for his.
And a happy Father’s Day to all the hard working dads out there👍
F450 & UPT Gooseneck
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Ram 3500 & UPT Gooseneck
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