• 1920 Dunbier A1330 Mackay Trojan 6 Stud Hub and 275 x 11mm Cast Iron Rotor 2.2t | Marine Trailer Part
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1920 Dunbier A1330 Mackay Trojan 6 Stud Hub and 275 x 11mm Cast Iron Rotor 2.2t | Marine Trailer Part

1920 Dunbier A1330 Mackay Trojan 6 Stud Hub and 275 x 11mm Cast Iron Rotor 2.2t | Marine Trailer Part

$511.50 AUD
$511.50 AUD
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✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide

🔧 Product Description

Dunbier Trojan Six-Stud Hub with 275 × 11mm Cast-Iron Rotor – 2.2T – Part Number: 1920

A complete galvanised or stainless/cast rotor hub assembly for Trojan 65mm square hydraulic disc axles. The integrated wheel hub and brake rotor provides the wheel-stud pattern, tapered-bearing seats and braking surface required for the specified Dunbier axle family.

⚙️ Key Features

  • Integrated wheel hub and disc-brake rotor
  • Marine-trailer corrosion-resistant construction appropriate to the listed finish
  • Supplied with matching bearing set where stated
  • Wheel studs installed in the specified pattern
  • Direct service replacement for the matching Dunbier/Mackay axle family

📏 Specifications

  • Wheel pattern: Trojan/LandCruiser-style six stud
  • Rotor: 275 × 11mm cast iron
  • Bearings: Trojan LM44649/10 and LM48548/10 family
  • Seal: Trojan two-part seal 1719
  • Axle-family rating/application: 2.2-tonne Trojan axle family

🔄 Cross Reference & Related Parts

  • Dunbier: 1920
  • Mackay: A1330
  • Cast-iron 11mm caliper: Dunbier 1926 / Mackay H3029
  • Replacement rotor only: Dunbier 1922

🚤 Trailer Compatibility & Application

  • Suits Trojan 65mm square hydraulic disc axles
  • Confirm bearing family, spindle dimensions, caliper rotor width and wheel stud pattern
  • Hub assemblies are supplied per wheel unless otherwise stated

🔌 Function

Carries the trailer wheel on the axle bearings and provides the rotating friction disc for the brake caliper.

⚠️ Common Signs of Failure

  • Rotor is below minimum thickness, deeply scored or heat cracked
  • Wheel studs are loose, stretched or damaged
  • Bearing races are pitted or spin in the hub
  • Sealing surface is corroded
  • Hub runs hot, noisy or develops excessive end float

🛠️ Installation & Safety

  • Pack and install bearings correctly
  • Use the matching seal and a new axle split pin
  • Adjust bearing preload before fitting the dust cap or protector
  • Torque wheel nuts in stages to the wheel specification
  • Bed new pads and rotors according to the brake manufacturer's procedure

📦 Condition

  • Genuine Dunbier Marine Products trailer component
  • Brand new
  • Supplied as one complete hub-and-rotor assembly with bearings and seal where specified
  • Supplied in original or equivalent packaging

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

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