1618T Dunbier Trojan 2.2t Square Hydraulic Disc Brake Axle 65mm x 2200mm (86.5") | Marine Trailer Part
1618T Dunbier Trojan 2.2t Square Hydraulic Disc Brake Axle 65mm x 2200mm (86.5") | Marine Trailer Part
Couldn't load pickup availability
✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide
🔧 Product Description
Dunbier Trojan Heavy-Duty 2.2-Tonne Hydraulic Disc Axle – Part Number: 1618T
A legacy-listed 64mm / current-catalogue 65mm square straight boat-trailer axle configured for hydraulic disc brakes braking and an overall length of approximately legacy 2275mm / 89.5"; current catalogue 2200mm / 86.5". The assembly combines the axle beam, bearing journals and the appropriate disc/hub and brake hardware for the specified system.
⚙️ Key Features
- legacy-listed 64mm / current-catalogue 65mm square axle construction
- Straight axle geometry
- Overall axle length approximately legacy 2275mm / 89.5"; current catalogue 2200mm / 86.5"
- Configured for hydraulic disc brakes
- Designed for galvanised marine-trailer suspension and hub systems
- heavy-duty Trojan hub/disc pattern; verify six-stud configuration and PCD
- Complete brake configuration should be matched to the trailer coupling and actuation system
- Heavy-duty axle family for higher-capacity trailer applications
📏 Specifications
- Beam section: legacy-listed 64mm / current-catalogue 65mm square
- Overall length: Approximately legacy 2275mm / 89.5"; current catalogue 2200mm / 86.5"
- Brake or hub configuration: hydraulic disc brakes
- Wheel/hub pattern: heavy-duty Trojan hub/disc pattern; verify six-stud configuration and PCD
- Trojan 2.2-tonne bearing family commonly uses LM44649/LM44610 and LM48548/LM48510
- Rear seal commonly catalogued in the Dunbier heavy-axle 1711 family
- Confirm the actual bearing and seal numbers removed from the hub before ordering service parts
- Legacy/supplied listing dimension: 64mm square × 2275mm / 89.5in
- Current Dunbier 2023/24 catalogue describes the Trojan heavy axle as 65mm square × 2200mm / 86.5in
- Measure the existing axle and confirm the current supplied assembly before purchase
🔄 Cross Reference & Related Parts
- Dunbier: 1618T
- Beam-only heavy axle: Dunbier 1632
- Stainless caliper and disc version: Dunbier 1618TS
- Heavy-axle bearing and seal parts must be identified from the installed Trojan hub
- Hub, bearing, seal, brake and spring components must be selected by axle journal and installed configuration
- Comparable axles from AL-KO, Mackay, Trojan or other manufacturers are not direct replacements unless beam length, spring centres, journal size, brake offset and wheel track all match
🚤 Trailer Compatibility & Application
- Suitable for compatible Dunbier marine trailers using the stated beam size, overall length and spring-centre geometry
- Measure the existing axle from hub face or axle end using the same method as the replacement catalogue before ordering
- Confirm wheel offset, tyre clearance, mudguard clearance and boat-hull clearance
- Axle capacity is determined by the complete axle, bearings, hubs, springs, tyres, brakes and trailer certification—not beam size alone
🔌 Function
Supports the trailer load between the suspension and wheel hubs while maintaining wheel track, bearing alignment and brake mounting geometry. The hydraulic disc system converts brake-fluid pressure into caliper clamping force.
⚠️ Common Signs of Failure
- Axle beam is bent, twisted or visibly cracked
- Tyres wear unevenly because wheel alignment or camber has changed
- Bearing journals are scored, undersize, corroded or heat-discoloured
- Spring seats, brake flanges or welds are cracked
- Persistent bearing looseness remains after correct adjustment
- Brake discs are below minimum thickness or heavily corroded
- Calipers seize, leak or apply unevenly
🛠️ Installation & Safety
- Axle replacement and brake setup should be completed by a competent trailer technician
- Support the trailer on rated stands before removing suspension or hub components
- Align spring centres and axle orientation before tightening U-bolts
- Fit new bearing seals, correctly pack bearings and set bearing end float
- Verify wheel-nut torque, brake operation and tyre clearance before road use
- Bleed hydraulic systems or adjust mechanical cables as required
- Road-test progressively and recheck wheel-bearing adjustment and wheel-nut torque
📦 Condition
- Brand new Dunbier Marine Products trailer component
- Supplied as one Trojan heavy-duty hydraulic brake axle assembly
- Supplied in original or equivalent packaging
Shipping & Delivery
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
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?
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.
Share
