Peterbilt has partnered with Hendrickson to offer the Primaax EX severe-duty vocational air suspension system on Peterbilt Models 567, 579 and 589.
The Primaax EX platform is designed for vocational, severe service and heavy-haul applications, and will be available in capacities of 46,000 and 52,000 lbs. with a 10-inch ride height. It is compatible with drum and air disc brakes. The company says that its features are designed to enhance joint integrity and durability, improve handling, increase air spring capacity and improve resistance to torque rod bushing walk-out.
