EQ-310 6" Trailer Equalizer – Triangular | Fits 1-3/4" Double-Eye Leaf Springs
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Restore proper suspension performance with the EQ-310 6" triangular equalizer, designed for tandem axle trailers with 1-3/4" wide double-eye leaf springs.
This equalizer plays a critical role in your trailer’s suspension system by distributing weight evenly between axles, improving ride quality, reducing stress on components, and extending the life of your suspension.
Built from heavy-duty steel, the EQ-310 is a reliable replacement for worn or damaged equalizers commonly found on utility trailers, dump trailers, enclosed trailers, and equipment haulers.
👉 Smooth ride. Balanced load. Longer-lasting suspension.
🔧 Key Features
- 6" Triangular Equalizer Design
- Fits 1-3/4" Wide Double-Eye Leaf Springs
- Balances Load Between Tandem Axles
- Reduces Suspension Stress & Wear
- Heavy-Duty Steel Construction
- Direct Replacement for Common Equalizer Setups
🔧 Why It Matters
A worn equalizer can cause:
- Uneven tire wear
- Rough ride quality
- Increased stress on axles and springs
Replacing it with an EQ-310 helps:
- Improve ride stability
- Extend suspension life
- Maintain proper load distribution
📐 Specifications
- Model: EQ-310
- Length (Center to Center): ~6 inches
- Spring Width Compatibility: 1-3/4"
- Suspension Type: Double-eye leaf spring
- Axle Setup: Tandem axle
- Material: Steel
- Finish: Raw / Painted (varies)
Trailer Suspension Fitment Guide – Equalizers & Rebuild Kits
🔧 By Axle Rating
| Axle Rating | Spring Width | Equalizer Size | Recommended Kit |
|---|---|---|---|
| 2K–3.5K | 1-3/4" | 5.75"–6" | EQ-310 Kit |
| 3.5K–6K | 1-3/4" | 6" | EQ-310 Kit ⭐ |
| 6K–8K | 2" | 7.75"+ | HD Equalizer Kit |
🔧 By Trailer Type
| Trailer Type | Typical Setup | Recommended Kit |
|---|---|---|
| Utility Trailer | 3.5K axles | EQ-310 |
| Enclosed Trailer | 3.5K–5.2K | EQ-310 |
| Dump Trailer | 5.2K–7K | EQ-310 or HD |
| Equipment Trailer | 6K+ | HD Kit |
| Car Hauler | 3.5K–7K | EQ-310 |
🔧 Signs You Need This Kit
- Uneven tire wear
- Clunking noise when towing
- Trailer sits uneven
- Visible wear on shackles
- Loose suspension
🔧 Measurement Guide (IMPORTANT)
Measure:
- Center hole → center hole (equalizer length)
- Spring width (usually 1-3/4")
👉 If it's ~6" → EQ-310 is correct
🚛 Applications & Fitment
- Utility trailers
- Dump trailers
- Enclosed trailers
- Equipment trailers
- Car haulers
⚠️ Fitment Notes
- Verify 6" equalizer length (center-to-center) before ordering
- Check bushing and bolt size compatibility
- Recommended to replace equalizers in pairs
📦 What's Included
- (1) EQ-310 equalizer
📞 Call/Text: 517-225-1991 🌐 AAATrailer.com
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- Address: 4675 East Grand River Ave, Howell, MI 48843
- Phone: (517) 225-1991 (Call or text)
- Hours: Monday to Friday: 10:00 AM - 5:30 PM | Saturday: By appointment
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