3.5K Straight Electric Brake Trailer Axle – 3,500 lb Capacity

3.5K Straight Electric Brake Trailer Axle – 3,500 lb Capacity

Bolt Pattern: 5x4.5 | Brake Type: Electric | Tube Size: 2 3/8" | Brand: DAT HOIST | Fully Assembled & Ready to Install

🔧 Product Overview

The DAT HOIST 3.5K straight electric brake trailer axle is built for strength, safety, and hassle-free installation. Pre-assembled with electric brakes and hubs, it’s perfect for RVs, cargo trailers, utility trailers, and boat trailers. Whether you’re replacing an old axle or building a new trailer, this axle is engineered for reliable, long-term performance on the road.

📐 Specifications

• Load Capacity: 3,500 lbs (3.5K)

• Axle Type: Electric brake

• Tube Diameter: 2 3/8" straight steel axle tube

• Bolt Pattern: 5x4.5"

• Stud Size: 1/2"-20 × 1.99" (press-in)

• Brake Assembly Size: 10" × 2.25"

• Tire Compatibility: Fits most 13"–15" wheel assemblies

• Mount Type: Underslung (spring seats welded to bottom of tube)

• EZ-Lube Spindles: Yes – zerk fitting with rubber plug for easy maintenance

• Application: Designed for use with double eye springs

• Grease: Pre-packed with high-temp axle grease

📦 What’s Included (Pre-Assembled Components)

• DAT HOIST 3.5K Axle Beam – 2 3/8" tube

• DAT HOIST 3.5K Electric Brake Hubs – 5x4.5 or 5x5 lug pattern

• Pre-installed 10" × 2.25" Electric Brake Assemblies – Left & Right

• Inner Bearings (×2)

• Outer Bearings (×2)

• Bearing Races (Installed)

• Double Lip Grease Seals (×2)

• Dust/Grease Caps (×2)

• Cotter Pins (×2)

• Tang Washers (×2)

• Axle Studs – 1/2" (pre-installed)

• Internal wiring for brake protection

✅ Key Features

• Fully Assembled: Brakes and hubs pre-installed for quick mounting

• High-Strength Axle Tube: Built for highway and heavy-duty use

• EZ-Lube Design: Add grease without removing the hub

• Underslung Setup: Ideal for lower trailer ride height

• Internal Wiring: Protects brake wires from wear and tear

🚙 Ideal For

• RV trailers

• Utility trailers

• Boat & marine trailers

• Cargo & equipment trailers

• ATV, lawn & landscape trailers

💡 Why Choose DAT HOIST?

• Ships fast – usually within 1 business day

• Bulk & wholesale pricing available

• Financing options available

• Built to match Dexter, AL-KO, Lippert, and Hayes axle specs