Trailer Suspension Equalizers
Two - 7.75" Trailer Equalizers - 9/16" Hole - 1-3/4" Wide Double-Eye Leaf Springs
Set of two EQ-E1 curved trailer suspension equalizers for tandem- or triple-axle trailers using 1-3/4" wide double-eye leaf springs with 9/16" spring eyes. Designed to help the suspension move between axles for a smoother, more controlled ride.
Part Number: EQ-E1-2 Set of 2 Equalizers 7-3/4" Long • 9/16" Holes
Key Measurements & Specs
| Specification |
Detail |
| Part Number / SKU |
EQ-E1-2 |
| Product Type |
Curved trailer suspension equalizer |
| Lower Hole Spacing |
7-3/4" center-to-center |
| Center Hole to Side Hole |
3-7/8" center-to-center |
| Vertical Height |
2-7/8" from side bolt hole to hanger bolt hole |
| Bolt Hole Diameter |
9/16" center hole and 9/16" left/right holes |
| Spring Width Compatibility |
For compatible 1-3/4" wide double-eye leaf springs |
| Quantity Included |
2 curved equalizers |
Fitment / Application
| Category |
Details |
| Trailer System |
Leaf spring suspension for compatible tandem- or triple-axle trailers |
| Primary Fit |
Compatible layouts using 1-3/4" wide double-eye springs with 9/16" spring eyes |
| Fitment Method |
Match equalizer length, vertical height, hole diameter, hanger spacing, spring type, and shackle hardware before ordering |
| Important Note |
Verify before ordering. Equalizers must match the trailer suspension geometry already on the trailer. |
Top Features
| Feature |
Buyer Benefit |
| Set of Two |
Includes two matching EQ-E1 equalizers for compatible suspension service or replacement work |
| 7-3/4" Equalizer Length |
Matches common suspension layouts requiring a 7-3/4" lower hole center-to-center equalizer |
| 9/16" Bolt Holes |
Works with compatible 9/16" suspension bolts and 9/16" spring eye applications |
| Curved Equalizer Design |
Allows controlled movement between axles to help smooth trailer suspension travel |
Overview
This listing is for two EQ-E1 7-3/4" curved long equalizers used in compatible double-eye leaf spring trailer suspension systems. Each equalizer connects the front and rear spring assemblies through shackle hardware and pivots from the center hanger, allowing the suspension to transfer movement between axles and help keep the trailer ride smoother under load.
R&P Service Insight
Equalizer replacement should be handled as a suspension geometry match, not by part number alone. Measure the existing equalizer before ordering and inspect the surrounding wear parts while the suspension is apart.
-
Measure Center-to-Center: Confirm the lower left-to-right bolt hole spacing is 7-3/4".
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Check Vertical Height: Confirm the side bolt hole to center hanger bolt hole height is 2-7/8".
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Inspect Hardware: Worn shackle straps, bolts, nuts, hangers, or spring eyes can cause noise, lean, uneven tire wear, or poor suspension movement.
R&P Knowledge Hub
Compatibility: Intended for compatible tandem- or triple-axle trailer suspension systems using 1-3/4" wide double-eye leaf springs with 9/16" spring eyes.
Vehicle / System Fit: Trailer leaf spring suspension equalizer application. Verify double-eye spring style, hanger spacing, equalizer length, and shackle hardware before ordering.
Installation Notes: Support the trailer safely before removing suspension hardware. Replace badly worn bolts, locknuts, shackle straps, bushings, or hangers as needed during service.
Performance Insight: The equalizer pivots between the axles so one spring can move in relation to the other, helping reduce harsh movement through the trailer suspension when properly matched to the suspension layout.
Brand & Fitment Note
Selling Brand: R&P Carriages trailer suspension component
Application Reference: EQ-E1 is used here as the selling part number / application reference for this 7-3/4" curved equalizer style.
What This Means: This listing is for a set of two EQ-E1 curved trailer suspension equalizers, not a guaranteed OEM-branded item unless specifically stated on the product packaging or order details.
Before Ordering: Verify measurements, mounting style, spring width, spring-eye diameter, existing equalizer geometry, and included components before installation.
R&P Repair Insight
Suspension equalizers are commonly replaced when the original equalizer holes are worn, elongated, rusted, cracked, or when the trailer suspension is being rebuilt. Matching the geometry is critical because an equalizer that is too short, too tall, or too different from the original can affect ride height, axle spacing, shackle angle, and tire clearance.
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Check Shackle Angle: Confirm your current suspension layout uses a 7-3/4" equalizer before installing replacements.
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Check Hole Wear: Elongated or egg-shaped bolt holes indicate the surrounding hardware should also be inspected.
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Check Both Sides: Tandem-axle trailers should use matching equalizer dimensions from side to side for consistent suspension movement.
Features
Two Matching Equalizers
Includes two EQ-E1 curved equalizers for compatible trailer suspension replacement or rebuild work.
Fits 1-3/4" Double-Eye Springs
Designed for compatible 1-3/4" wide double-eye leaf spring suspension systems with 9/16" spring eyes.
9/16" Mounting Holes
Center, left, and right bolt holes are sized for compatible 9/16" trailer suspension hardware.
Curved Suspension Design
Curved equalizer shape allows movement between axles to help maintain a smoother ride and reduce harsh load transfer.
Included Components
| Quantity |
Item |
| 2 |
EQ-E1 7-3/4" curved long trailer suspension equalizers |
| Not Included |
Leaf springs, shackles, bolts, nuts, hangers, U-bolts, axle hardware, and installation tools unless separately pictured or selected |
Important Fitment Note: Verify all measurements before ordering, including 7-3/4" lower hole spacing, 2-7/8" vertical height, 9/16" bolt hole diameter, 1-3/4" spring width, shackle length, hanger spacing, and spring-eye size. Trailer suspension parts must match the existing suspension geometry for safe and proper installation.
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