5 reasons to choose a Treg Trailer

  1. Established in 1947 with the same owners today.
  2. Made at our factory in South Australia, using all Australian materials.
  3. 12 month warranty (not that you’ll ever need it).
  4. Comprehensive after-sales service (should you need us).
  5. Engineering, machinery and rolling – all from our fully-equipped workshop.

The original Poly Block Couplings

Established in 1947 – Built to last a lifetime

Treg Trailers are built to last a lifetime. We can guarantee this because we create and make them, 100%.

We specialise in grinding, milling, machining, rolling and lathe work, custom specialty trailers, trailer parts and accessories and trailer servicing and repairs – all in the one place.


Our extensive range

Anything! That’s the great thing. If you got the idea, come and talk to us and we will custom create it for you.

  • Enclosed trailers
  • Camping trailers
  • Tandem trailers
  • Light commercial trailers
  • Transportation trailers
  • Stock trailers
  • Single axle trailers
  • Off-road trailers
  • Mining trailers
  • Domestic trailers

We are proudly South Australian family owned and operated with a team of designers, engineers, fitters and turners and boilermakers.