3042 Dunbier Galvanised 1575mm Roller Rail 6 x 8" Hard Poly Rollers | Marine Trailer Part
3042 Dunbier Galvanised 1575mm Roller Rail 6 x 8" Hard Poly Rollers | Marine Trailer Part
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🔧 Product Description
Dunbier Galvanised Roller Rail 1575mm with Six 8-Inch Hard-Poly Rollers – Part Number: 3042
A complete galvanised longitudinal trailer roller rail measuring approximately 1575mm and fitted with 6 8" hard poly rollers. The multi-roller layout distributes hull load along the keel or lower hull and provides a low-friction path for launch and retrieval.
⚙️ Key Features
- Hot-dip galvanised or galvanised rail construction
- Overall rail length: Approximately 1575mm
- Includes 6 × 8" hard-poly rollers
- Multiple support points spread hull load
- Designed for marine trailer launch and retrieval systems
📏 Specifications
- Rail length: 1575mm
- Roller quantity: 6
- Roller size: 8"
- Roller material: Hard poly
- Mounting holes, brackets and roller-pin arrangement must be matched to the trailer
🔄 Cross Reference & Related Parts
- Dunbier: 3042
- Individual replacement rollers and pins should be matched by size and bore
- Related Glider and Centreline kits do not include these full roller rails unless specifically stated
🚤 Trailer Compatibility & Application
- Suitable for Dunbier and compatible custom roller trailers where the rail length and mounting layout match
- Hard-poly rollers are commonly selected for aluminium and robust hull contact
- The rail must be supported at the specified mounting points and adjusted to share load with other rails
🔌 Function
Supports the hull across multiple rollers and provides a continuous rolling path into the trailer.
⚠️ Common Signs of Failure
- Rail is bent, twisted or heavily corroded
- Rollers are seized, cracked or unevenly worn
- Pins and bracket holes are grooved
- Hull load is concentrated on only one or two rollers
- Mounting points are cracked or loose
🛠️ Installation & Safety
- Support the boat and measure the original rail before removal
- Install to reinforced cross members using rated mounting hardware
- Set rail height and angle to share load evenly
- Confirm every roller turns freely
- Recheck all mounting bolts and hull clearances after retrieval
📦 Condition
- Brand new Dunbier Marine Products trailer component
- Supplied as one complete 1575mm galvanised roller rail with 6 rollers
- 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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