Ultimate Plant Trailers is an Australian Family owned and operated Business. Born from PROSE Trailers in 2011. Peter with over 30 years experience in Trailer fabrication and Matt 20 years in civil construction and ground works, both with a vision to bring innovative and new designs to the plant trailer market, UPT designs quickly became the most recognizable trailers on the road.

Our core value is to design trailers to suit modern Australia, always improving our designs and evolving with industry, each trailer is as individual as our clients.

The old saying “a trailer doesn’t make you money” doesn’t apply to a custom UPT trailer, We are heavily devoted to Safety, Strength and usability to give our clients a trailer that “works” for them.

UPT are the industry leading “trendsetters” of custom trailer culture.

What we build

• Single Axle Plant Trailers
• Tandem Axle Plant Trailers
• Tri Axle Plant Trailers
• Drop Deck Trailers
• Quad Axle Plant Trailers
• Tri Axle Dog Trailers
• Quad Axle Dog Trailers
• Crane Trailers
• Mine Spec Trailers
• Bobcat Trailers
• Swan Neck Trailers
• Truck Trays
• Truck Hitch Installation

What you get

• Graded and certified Australian Bluescope Steel
• Bissalloy 80 in deck chain points designed and stress tested by UPT as standard
• 10mm Coaming laser cut from a single plate of grade 350 steel as standard
• Recessed lights and Reflectors that are not only protected but meet ADR Standards
• 5mm Australian Checker Plate flooring as a minimum
• Hand Fabricated Pre Cambered Chassis Design as standard
• Hand Fabricated custom drawbar as standard
• Class 2 Sand Blast
• Epoxy Primed and 2 Pac Premium paint
• Engineered & Stress tested CAD drawings of your trailer
• Independent Laser Wheel Alignment
• Parts and Components available Australia wide
• A bespoke Trailer Builder

Why UPT?

Firstly we get to know you, your business and it’s equipment, what you want from your trailer now and into the future, our knowledge and experience ensures your combination truck/trailer will work for you.

In house engineering and design – You will receive 2D and 3D engineered CAD drawings of your trailer specification at this point we can further customise your trailer any last minute tweaks can be made.

Customisable front to back – Deck and beavertail to any length, drawbar built to suit your trucks hitch height, ramps are custom width and length to suit your equipment.

We build our trailers with hand fabricated main beams, this is the strongest method of trailer fabrication, ensuring your trailer will last a life time.

We are in touch throughout the build working on the finer details and keeping you upto date with progress.

Final Product – Once fabrication is complete its sandblasted onsite before all it’s components are custom painted in high grade 2 Pac paint.

From here your trailer is sent to be fitted out, using parts and components that are sourced from local suppliers and readily available Australia wide to minimise any down time. We work to find the best in the market from axles to UPT custom designed fuel tanks and systems our quality is unsurpassed.

Throughout the build your trailer goes through a series of Quality Assurance testing and assessment including Laser Wheel alignment and road testing to ensure we deliver not only an amazing trailer but a solid investment for your business.

As members and Contributors of the Heavy Vehicle Industry of Australia (HVIA) UPT is at the forefront of design rules, regulations and legislation, it is our aim to keep industry up to date and informed and to answer any questions you may have.

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