Trojan Hub Kit 5x41/2x1/2 Disc Braked 1750kg For NZ Trailers Durable Heavy Duty Braking

Upgrade to reliable, purpose-built braking performance with the Hub Kit 5x4 1/2x1/2 Disc Braked 1750kg. Engineered for strength and consistent stopping power, this hub kit is ready to take on demanding trailer duties while maintaining simple, dependable maintenance.

Why choose this hub kit

• 1750 kg GVM per axle — a robust rating that supports heavier loads on single-axle configurations, giving you confidence whether you’re transporting tools, equipment, or gear.
• Disc braking efficiency — full cast disc rotor design delivers improved heat dissipation and more predictable braking compared to drum-only setups, especially on longer hauls or frequent stops.
• Compatibility you can trust — designed to fit Duratorque and beam axles, with broad applicability to most NZ manufactured trailer axles, making it a versatile choice for builders and operators alike.
• Precise bolt pattern — 5-stud configuration with a PCD of 4 1/2 inches and a stud width of 1/2 inch, ensuring reliable mounting and alignment with compatible wheels.
• Single-piece rotor construction — integral disc rotor adds rigidity and reduces maintenance complexity for dependable performance over time.
• Heavy-duty bearings — built to withstand demanding conditions and provide long service life in trailer applications.
• Common wheel drilling — designed with standard wheel drilling in mind, simplifying compatibility with a wide range of wheels.
• Stub axles not included — this kit focuses on the hub assembly; plan for compatible stub axles as needed for your setup.
• Spare parts available — a broad range of spare parts supports easy maintenance and quick field fixes.
• Fast dispatch — ships within 4–7 days from order, so you can keep your trailer project or service schedule on track.

Key specifications

• Rotor Type: Integral disc
• Stud Pattern: 5
• PCD: 4 1/2 inches
• Wheel Stud Width: 1/2 inch
• Rotor Diameter: 67.183 mm
• Application: Fits Duratorque and beam axles; compatible with most NZ manufactured trailer axles
• GVM Rating: 1750 kg (per axle with a pair of hubs)

Who is this for?

Ideal for trailer builders and operators who require robust, disc-braked hubs with a proven load rating and straightforward installation. If you’re upgrading from drum brakes, building a new trailer, or replacing worn hubs on a NZ-made axle, this kit provides a reliable, scalable braking solution with strong compatibility and widely available spare parts.

installation and use tips

Ensure your existing axle setup matches the 5x4 1/2 inch bolt pattern and 1/2 inch stud width. While stub axles are not included, the kit’s compatible designs and common wheel drilling simplify integration with a range of wheels. For best results, pair with compatible bearings and regularly inspect for wear, especially after heavy loads or long excursions. If you’re unsure about fitment, consult your trailer’s manual or a qualified technician to confirm axle compatibility and proper torquing.