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:
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Heavy-duty rectangular design for enhanced strength
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Precision-bored eyes for smooth pivot action
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Durable powder-coat finish resists corrosion and wear
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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:
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Designed for tandem-axle trailers rated 9K–15K lb
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Works with 1¾″ wide leaf spring packs
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Ideal for utility, equipment, and commercial trailers
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Requires 9⁄16″, 7⁄8″, and 7⁄16″ pivot hardware (sold separately)