Trunnion 338‑1845 – 4" Shaft × 4" Spring – Fits Mack Rear Heavy‑Duty Suspension freight it minimizes vibration

it minimizes vibration

Dayton 327-525

The Mack Trunnion Saddle with 4" shaft and 5" spring support is a critical heavy-duty suspension component used in Mack SS58 Camelback rear axle systems

Constructed from durable steel and equipped with adjustable end fittings

Trunnion 338‑1845 – 4" Shaft × 4" Spring – Fits Mack Rear Heavy‑Duty Suspension freight it minimizes vibrationThe Mack Rear Trunnion Assembly (4 diameter) is a heavy duty suspension component designed to support the rear spring beam and manage articulation in tandem axle configurations. This complete assembly is engineered to OEM standards for strength, durability, and longevity in severe duty vocational and fleet applications. OEM Cross References: 3381845, 131604L, M1117, 39QK325, 39QK325M, R303645 Key Features: Application: Mack tandem axle rear suspension