• 1020 Dunbier Chain Galvanised 13mm x 620mm (13 Links) AS4177-35 | Marine Trailer Part
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1020 Dunbier Chain Galvanised 13mm x 620mm (13 Links) AS4177-35 | Marine Trailer Part

1020 Dunbier Chain Galvanised 13mm x 620mm (13 Links) AS4177-35 | Marine Trailer Part

$38.50 AUD
$38.50 AUD
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✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide

🔧 Product Description

Dunbier Galvanised Safety Chain 13mm × 620mm – AS4177-35 – Part Number: 1020

A 13mm galvanised trailer safety chain measuring approximately 620mm with 13 links. This chain is intended for attachment using the trailer manufacturer's approved weld-on or engineered mounting method. The AS4177-35 marking identifies the catalogue capacity designation; the actual component marking must be checked before use.

⚙️ Key Features

  • Nominal chain material diameter: 13mm
  • Approximate length: 620mm
  • Link count: 13 links
  • Galvanised finish
  • Purpose-built trailer safety-chain component
  • Designed for an approved permanent trailer attachment

📏 Specifications

  • Chain diameter: 13mm
  • Length: 620mm
  • Links: 13 links
  • Attachment style: weld-on or manufacturer-specified attachment
  • Capacity: Use only to the permanent marked trailer-chain rating

🔄 Cross Reference & Related Parts

  • Dunbier: 1020
  • Safety-chain requirements up to 3500kg ATM are covered by AS 4177.4
  • Related Dunbier chain sizes: 1018, 1019, 1020, 1021 and 1022
  • Comparable products must be marked and certified for the required trailer ATM

🚤 Trailer Compatibility & Application

  • Suitable for trailers whose ATM does not exceed the chain's marked designation
  • Select the number of chains and connection devices to current jurisdictional requirements
  • The trailer and towbar attachment points must be at least as strong as the chain

🔌 Function

Retains and helps control the trailer if the main coupling disconnects, reducing the risk of complete separation.

⚠️ Common Signs of Failure

  • Link wear, elongation, bending or cracking
  • Heavy rust or loss of chain diameter
  • Damaged weld or loose bolt-on attachment
  • Chain has been dragged on the road
  • Rating or manufacturer markings cannot be identified

🛠️ Installation & Safety

  • Use only the approved attachment method for the specific trailer drawbar
  • Bolt-on versions require a reinforced attachment point and correctly tightened locking hardware
  • Welding should be performed only by a competent person using the specified attachment link or tab
  • Do not weld, heat or modify a rated chain link unless expressly permitted
  • Connect with correctly rated shackles or approved devices and inspect before every trip

📦 Condition

  • Brand new Dunbier Marine Products trailer component
  • Supplied as one 13mm × 620mm safety chain
  • 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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