1017 Dunbier 13mm Safety Chain and HammerLock | Marine Trailer Part
1017 Dunbier 13mm Safety Chain and HammerLock | Marine Trailer Part
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✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide
🔧 Product Description
Dunbier Heavy-Duty Herc-Alloy Safety Chain with Hammerlock – Part Number: 1017
A heavy-duty 13mm Herc-Alloy trailer safety chain assembly supplied with a compatible Hammerlock connecting link. Dunbier catalogues specify a 13-link chain approximately 500mm long and require two assemblies for trailers in the 3.5–4.5 tonne range, subject to current vehicle standards and the component's marked capacity.
⚙️ Key Features
- 13mm high-strength Herc-Alloy chain
- Thirteen-link assembly
- Supplied with Hammerlock connecting link
- Heavy-trailer safety-chain application
- Galvanised or protective finish for trailer service, depending current supply
📏 Specifications
- Chain diameter: 13mm
- Link quantity: 13
- Approximate chain length: 500mm
- Quantity required by Dunbier for 3.5–4.5 tonne applications: Two
- Final capacity must be confirmed from the chain and connecting-link markings
🔄 Cross Reference & Related Parts
- Dunbier: 1017
- Related lighter safety chains: Dunbier 1018, 1019, 1020, 1021 and 1022
- Comparable product: Grade-T/Herc-Alloy heavy-trailer chain assembly with certified Hammerlock and equivalent marked capacity
🚤 Trailer Compatibility & Application
- Intended for heavy trailers above the normal AS 4177.4 light-trailer chain range
- Both chains must be independently attached to substantial trailer and tow-vehicle points
- Connection hardware must equal or exceed the chain rating
🔌 Function
Provides a secondary connection intended to retain and control the trailer if the primary coupling disconnects or fails.
⚠️ Common Signs of Failure
- Bent, stretched, cracked or heavily worn links
- Hammerlock pin or retaining sleeve is damaged
- Deep corrosion or loss of chain diameter
- Heat, welding or grinding damage
- Capacity markings are missing or unreadable
🛠️ Installation & Safety
- Heavy-trailer chain installation must comply with current road and trailer regulations
- Do not weld directly to heat-treated alloy chain
- Fit the Hammerlock exactly as specified, with the correct load pin and retainer
- Cross or arrange chains as required to support and control the drawbar
- Never use a damaged or unmarked assembly
📦 Condition
- Brand new Dunbier Marine Products trailer component
- Supplied as one 13mm safety chain with Hammerlock
- 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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