Description

The Automann M1500 side bar (also known as a spring shackle) is a vital suspension component for heavy-duty trucks—especially Peterbilt models. Built from durable steel, it ensures smooth axle movement and proper alignment under load, critical for safety and performance.

Exact Dimensions

• Overall Length (A): 6.000 in

• Width (B): 2.000 in

• Center-to-Center (eye-to-eye, C): 3.500 in

• Height (D): 1.125 in

• Eye/Bushing Inner Hole (E): 1.250 in ID

• Lock Hole (F): 0.500 in

• These precision measurements make the M1500 a direct fit for many Peterbilt models with corresponding leaf spring configurations.

Cross-Reference Part Numbers

• Automann: M1500

• ATRO: SK75‑10200

• ATMM1500

• Peterbilt: 02‑01784, 02‑01783

• Dayton: 330‑186 

• Paccar: 16537AA

Features & Benefits

• Heavy-Duty Steel Construction: Designed for durability in rugged conditions.

• OEM Precision Fit: Adheres to exact Peterbilt and Paccar specifications to ensure correct alignment and safe suspension travel.

• Easy Installation: Drop-in replacement—no modifications required.

• Reliability: Consistent performance dive after drive, reducing downtime and maintenance.

Applications

• Specifically engineered for:

  • Peterbilt standard-leaf spring suspensions

  • Trucks requiring a 3.5″ C‑to‑C shackle eye alignment

• Ideal replacement for worn or damaged shackles—restoring factory suspension function.

Why the Automann M1500?

• Trusted OEM-grade quality: Meets or exceeds factory specifications.

• Broad cross-referencing makes fitment easy: Compatible with multiple brands and part numbers.

• Enhanced safety and ride control: Precise fitment helps maintain proper ride height and direction under load.