Safety Chain, Hammerlock and Holder Kit

Safety Chain, Hammerlock and Holder Kit include:

• 10mm option: one set to suit trailers up to 2.5t.
• 13mm option: two sets to suit trailers over 2.5t.

Galvanised chains and shackles are illegal on all trailers over 3.5t. Trailers over 2.5t require two safety chains.

It is essential to remember.

• No chain welding over 2.5t
• No chain welding below the chassis rails. Weld safety chains horizontally.

Trailers up to 2.5 tonnes ATM must have at least one safety chain complying with AS 4177.4 - 1994 (Trailer and light trailer towing components – Safety chains up to 3.5 tonnes capacity) or as amended from time to time.

This standard allows for steel safety chains by the following

• up to 1.0 tonne, a chain size of 6.3 mm
• up to 1.6 tonnes, a chain size of 8 mm
• from 1.6t to 2.5t, with a chain size of 10 mm

Trailers over 2.5 and up to 3.5 tonnes ATM must have two safety chains complying with AS 4177.4 - 1994 or as amended foccasionally This standard allows for steel safety chains by the following:

• up to 3.5 tonnes, a chain size of 13 mm.

Safety Chain Kits for Caravan and Trailers

• more than 3.5 tonnes ATM,
• all medium and heavy category pig trailers with rigid drawbars,
• any other trailers without breakaway brakes
• and all fixed and rigid pig trailers with a GTM higher than 2.5 tonnes and fitted with automatic pin-type couplings,

An excellent article on Dee Shackles and Safety Chain

Purchase attachments for Dee Shackles

• Rated Bow Shackles – 4WD
• Rated Dee Shackle
• Dee Shackles and Safety Chains
• Safety Chain Holder for Aluminium Chassis
• Safety Chain Holder to 3.5t
• Hammerlock to suit Galvanised Safety Chain
• Galvanised Safety Chain – 64cm Long

Finally, Trailer Safety Chain Key Points

• 10mm Chain Holders can be welded to trailers up to 2.5t
• Safety Chain must be affixed to holders via a Hammerlock or Cam Lock
• Dee Shackles are prohibited for use when securing a safety chain to a trailer

Ref: StandardsQueensland – Safety Chain Requirements