Overview
This is a genuine Dexter 10″ × 2¼″ electric/hydraulic brake drum and hub assembly (Part #428706) designed for trailers with a 6-stud LandCruiser bolt pattern (6 × 139.7 mm PCD). Machined to suit slimline bearings (L68149 inner & L44649 outer), it delivers rugged durability and easy installation for light-duty trailers rated up to ~1,590 kg per axle. Suitable for both electric and hydraulic brake systems
What’s Included
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Hub-drums pre-fitted with 6 × ½″ UNF wheel studs
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Bearings, grease cap, nuts, and seals not included
Key Features
✅ Factory Dexter quality with OEM part #428706 for precision fit
✅ Constructed from high-grade ductile iron for strength and heat resistance
✅ Built for slimline bearings (inner L68149 & outer L44649) and ideal for 3,500 lb axle applications
✅ Compatible with standard Dexter/AL‑KO backing plate systems (electric or hydraulic)
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 428706 |
| Drum Size | 10″ × 2¼″ (254 mm × 57 mm) |
| Bolt Pattern | 6 × ½″ UNF studs on 139.7 mm PCD – LandCruiser |
| Bearing Fitment | Slimline bearings: inner L68149, outer L44649 |
| Axle Capacity | ~1,590 kg per axle (3,500 lb) |
| Construction | Ductile iron hub drilling |
| Includes | Hub with studs only (no bearings or seals) |
Applications
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Ideal for caravans, campers, boat trailers using 6‑stud LandCruiser rims
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Compatible with Dexter, AL‑KO, or Hayes electric/hydraulic brakes
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Best fit for trailers with #84 spindles and 3,500 lb capacity
Why Choose Dexter Hub Drum #428706?
As a genuine OEM drum, it ensures reliable braking and precise fit. Pre-installed studs and accurate machining reduce downtime during rebuilds. Suited for both electric and hydraulic systems, it’s built to OEM standards and backed by a 12-month manufacturer warranty
🔧 Installation Tips
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Confirm your trailer uses a 6 × 139.7 mm (6 on 5½″) stud pattern.
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Choose compatible bearings (inner: L68149, outer: L44649) and seals.
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Clean the backing plate surface and align brake magnets before fitting.
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Torque all studs to manufacturer specifications and test drum rotation freely.
🧰 Related Products
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Dexter 10″ Electric Backing Plate (LH & RH)
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Dexter 10″ Brake Shoe Kits (single and axle kits)
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Electric Brake Magnets (oval for 10″ systems)
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Bearing kits (for L68149 / L44649) and grease caps
Shipping is calculated at checkout based on your location.