
13-4HD - Rectangular Suspension Equalizer
The 13-4HD Rectangular Suspension Equalizer is engineered for high-capacity tandem-axle trailers, providing robust load balancing and smooth articulation between leaf spring packs. Its heavy-duty rectangular profile and precision-machined pivot points ensure reliable performance under the most demanding hauling conditions.
Features:
-
Heavy-duty rectangular design for enhanced strength
-
Precision-bored eyes for smooth pivot action
-
Durable powder-coat finish resists corrosion and wear
-
Fits standard 1¾″ wide leaf springs with matching bushings
Specifications:
Attribute | Measurement |
---|---|
Overall Length (A) | 11″ |
Height (B) | 4⅝″ |
Eye-to-Eye Width (C) | 5⁻¹³⁄₁₆″ (5.8125″) |
Mounting Hole I.D. (D) | 9⁄16″ |
Center Pivot Hole I.D. (E) | 7⁄8″ |
Auxiliary Hole I.D. (F) | 7⁄16″ |
Inner Body Diameter | 2¼″ (2.25″) |
Material & Finish | High-strength steel, black powder coat |
Fitment & Applications:
-
Designed for tandem-axle trailers rated 9K–15K lb
-
Works with 1¾″ wide leaf spring packs
-
Ideal for utility, equipment, and commercial trailers
-
Requires 9⁄16″, 7⁄8″, and 7⁄16″ pivot hardware (sold separately)