Quality Servicing, Suspension, & Repairs for Trailers and 4-Wheel Drives Across Canberra. Since 1977, Transtate Trailers & 4WD has been providing Australians with high-quality trailers and 4-wheel drives. We pride ourselves on our 50 years of experience in the industry, and our team is passionate about providing the best possible service to our customers. We stock all the major brands that you know and trust, so you can be sure to find exactly what you’re looking for. We also pride ourselves on our affordable pricing and some of the best deals around, which won’t break the bank. So if you’re looking for a great deal on a trailer or 4-wheel drive, make sure to check out Transtate first. You won’t be disappointed!