Precision Engineering | Pinpoint Accuracy | Premium Quality Parts Terran Axle is setting new expectations by bringing the latest innovations with decades of experience in the automotive and trailer industry. Our axles set a new standard of reliability and quality at competitive prices by ensuring consistency and precision in our engineering and automated seamless welding. Our commitment to you is ensuring our products make a positive impact on your success. We are proud to have introduced our first line of 2000 - 7000lb Spring Axles.