ROVER Drawbar System on chassis
Hero System

Trailer · Product

ROVER Drawbar System™

Stop reinventing trailer engineering. Start from a proven, certified foundation.

A modular, engineer-certified trailer drawbar platform designed to simplify compliant trailer manufacturing — from light utility through to heavy-duty offroad applications. Available in steel and aluminium variants, each rating ships with engineer-certified plans, ROVER-compliant assumptions, ADR-aligned structural specs, fabrication drawings and registration-ready documentation support.

Configure

Opens your email — your selections are pre-filled. Sent to info@bouldr.au.

  • Engineer-certified plans included
  • ROVER-compliant assumptions
  • ADR-aligned structural specifications
  • Fabrication & assembly drawings
  • Steel and aluminium variants
  • Registration-ready documentation

Stop reinventing trailer engineering.

Start building from a certified foundation.

Build & detail

See it from every angle.

ROVER Drawbar System on chassis
ROVER Drawbar System on chassisHero
Forged coupling face & gusset detail
Forged coupling face & gusset detailDetail
Bench-built and ready for QA
Bench-built and ready for QABuild
Integrated on a tandem offroad chassis
Integrated on a tandem offroad chassisCAD
Bending load case — peak von Mises under yield
Bending load case — peak von Mises under yieldFEA
Vertical compression — validated to 3.25e+08 N/m²
Vertical compression — validated to 3.25e+08 N/m²FEA