1591 Dunbier Axle 45 Square Hydraulic Brake 2340mm (92") | Marine Trailer Part
1591 Dunbier Axle 45 Square Hydraulic Brake 2340mm (92") | Marine Trailer Part
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🔧 Product Description
Dunbier Marine Products 45mm Square Solid Hydraulic disc brake Axle – 2340mm – Part Number: 1591
A complete galvanised 45mm solid square axle measuring 2340mm overall and configured for hydraulic disc brakes. It uses Ford-pattern wheel mounting and the Dunbier slimline bearing family for compatible wide 13- or 14-inch-wheel trailers.
⚙️ Key Features
- Galvanised steel axle construction
- 45mm solid square section
- Hydraulic disc brake configuration
- Manufactured for Dunbier trailer geometry
- Critical replacement dimensions must match the original axle
📏 Specifications
- Axle section: 45mm solid square
- Overall axle length: 2340mm / 92 inches
- Wheel-size guide: 13- or 14-inch
- Brake configuration: Hydraulic disc brake
- Bearing family: L68110 and LM12710 cups with L68149 and LM12749 cones
- Grease seal: Dunbier 1706
- Legacy catalogue chassis-width guide: approximately 1860mm
- Hub configuration: Ford-pattern disc hubs and matching brake hardware as supplied
🔄 Cross Reference & Related Parts
- Dunbier: 1591
- Beam-only axle: Dunbier 1589G
- Non-braked hubbed axle: Dunbier 1588G
- Opposite brake actuation version: Dunbier 1590G
- Current catalogues may show mechanical reference 1592G; match the supplied and original axle number before ordering
🚤 Trailer Compatibility & Application
- Suitable for Dunbier trailers using a 2340mm 45mm square braked axle
- Legacy chassis-width guide: approximately 1860mm
- Trailer coupling and control system must be compatible with hydraulic disc brakes
🔌 Function
Carries the trailer wheel loads between the suspension points and maintains the hub, wheel and brake alignment across the trailer.
⚠️ Common Signs of Failure
- Axle beam is bent or wheels show abnormal camber
- Corrosion, pitting or cracking is visible near spring seats or spindles
- Bearing journals are scored or undersize
- Tyres wear unevenly despite correct pressure and bearings
- Brake or hub alignment cannot be restored
🛠️ Installation & Safety
- Axle replacement is a safety-critical task for a competent trailer technician
- Measure overall length, spring-centre spacing, hub face, stud pattern and brake configuration before ordering
- Use correct U-bolts, fish plates and spring seats
- Set and lubricate wheel bearings to specification
- Verify wheel alignment, brake operation and wheel-nut torque before road use
📦 Condition
- Genuine Dunbier Marine Products part
- Brand new
- Supplied as one complete 2340mm 45mm square axle configured for hydraulic disc brakes
- 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.
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