At a glance
- This heavy duty trailer is suits to machinery up to 18T
- This trailer can only be towed with a minimum HC licence
- A heavy duty trailer, the Ultimate Plant Trailer
- Heavy duty custom hand built chassis
- Designed with heavy duty ramps with 250mm x 150mm x 6mm beams
Tare range
Specification specific
- 5,500kg up to 7,000kg
Standard features
- 5mm checker plate floor
- 10mm GR350 coaming
- 100mm x 50mm x 4mm RHS cross members
- Dual acting hydraulic ramps
- Dolly lock
- Heavy duty hydraulic power pack with toolbox built in deck for protection
- Wabco multi volt EBS braking system
- 22.5, 19.5 & 17.5 K-Hitch axles
- In-deck Biss alloy chain points
- Available with airbag suspension
- Refer to our Ultimate Plant Trailer options booklet
Capacity
- Up to 18,000kg (subject to State / Territory regulations)

Three Axle Dog Trailers 25.5T – Custom Fabrication
Our 25.5T three axle dog trailers improve the carrying capacity of your truck while maintaining balance and stability. Built for large plant transport, they’re designed to handle demanding work environments.
At Ultimate Plant Trailers, our experienced dog trailer builders design each three axle dog trailer 25.5T with CAD precision and Australian steel. As expert dog trailer fabricators, we ensure every detail is tailored to your needs.
Reliable, durable, and finished in 2Pac paint, these trailers are backed by a 3-year workmanship warranty.
Discuss your dog trailer build today – contact us.







Optional extras available through our dog trailer builders
- Air bag suspension
- Storage solutions
- Over-size sign and flag kit
- Extra-wide, extra-long ramps
- Container pins
- Diesel fuel systems
- Alloy ramp slides
- In-deck well
- Auger racks.
Want to explore alternatives?
Our 25.5T dog trailers are versatile for plant transport. For bigger jobs see our Four Axle Dog Trailers 33T ATM, or if you want a different load type, consider Tandem Axle Tag Trailers 24.6T ATM.