AL-KO 60mm x 685mm Offset Leaf Spring

SKU: N/A Category: Springs Shackle Tag: eye to eye srpings Brand: AL-KO

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Price range: $139.00 through $180.00 Inc.GST

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AL-KO 685mm Offset 60mm Wide Replacement Caravan Spring

Summary: A heavy-duty, powder-coated 685mm replacement leaf spring designed specifically for legacy caravan suspension systems built on a G&S Chassis. Ideal for replacing broken or flattened springs, restoring OEM towing performance, and correcting alignment on older tandem setups.

Product Description

The AL-KO 685mm Offset 60mm Wide Replacement Caravan Spring provides a reliable solution for restoring or upgrading your caravan’s legacy load-sharing suspension system. Engineered specifically as a direct replacement for discontinued Melbourne Trailers suspension assemblies built on a G&S Chassis, this specialised offset spring ensures your rig maintains its structural integrity and towing performance.

Because this legacy model is shorter than modern tandem configurations and no longer serves as an industry-standard production size, securing a high-quality, genuine replacement is critical to preventing tracking and alignment problems.

Key Features

Perfect G&S Chassis Fit: Custom-tailored replacement spring configured explicitly for older G&S Chassis layouts.
Asymmetrical Offset Design: Built with an off-centre eye-to-centre bolt spacing to fit specific load-sharing tandem rockers.
Pre-Fitted Bushing: Comes with a heavy-duty 5/8″ x 7/8″ x 60mm nylon bush pre-installed for smoother articulation and straightforward setup.
Industrial Rust Protection: Coated in a durable black powder-coated finish to resist corrosion from road salt, grime, and harsh environment exposure.
Reinvigorates Towing Stability: Restores your caravan’s original ride dynamics, ensuring optimal balance and safety across long highway hauls.

Technical Specifications

Eye-to-Eye Length: 685mm
Spring Leaf Width: 60mm
Leaf Thickness: 6.5mm (per individual leaf)
Free Camber Height: 117mm
Eye-to-Centre Bolt Distances: 300mm / 385mm offset
Bushing Dimensions: 5/8″ Inner Diameter × 7/8″ Outer Diameter × 60mm Width
Finish: Black Powder Coating
Capacity Options:
- 6-Leaf Configuration: Rated up to 1,000 kg per individual spring
- 7-Leaf Configuration: Rated up to 1,100 kg per individual spring

Frequently Asked Questions (FAQ)

This spring is discontinued by AL-KO. Can I still use it?

Yes. While AL-KO replaced this layout in standard manufacturing with the 57606X series, these standalone 685mm replacement offset springs are still actively produced and distributed by specialised caravan parts suppliers like Couplemate Trailer Parts to service existing G&S Chassis configurations on the road.

Should I replace all of my caravan’s springs if only one is broken or flattened?

If you suffer a failure while travelling or are stranded in a remote outback town, your immediate priority is to replace the broken spring so you can safely continue your journey. However, because multi-leaf sets fatigue at similar rates under shared loads, the remaining springs are highly likely to have sustained hidden stress damage. Once you reach a suitable destination, it is highly recommended to replace the matching pairs to ensure uniform side-to-side ride height and load capacities.

How do I know if I need to upgrade my leaf capacity?

Caravans frequently carry more weight than owners realise once water tanks, gas bottles, and travel gear are packed. If your springs flatten out prematurely, your rig is likely overworking underrated gear. We highly recommend driving your fully loaded caravan onto a public weighbridge to get a legal weight certificate. Pair this with a reliable set of tow ball weight scales to verify your configuration balance before upgrading leaf counts.

Can I upgrade from a 6-leaf to a 7-leaf spring?

Yes. Upgrading to a higher capacity leaf count is a common strategy on tandem setups to eliminate sag and restore performance to OEM standards. However, ensure your Aggregate Trailer Mass (ATM) rating remains completely unchanged, as upgrading suspension components alone does not legally alter your vehicle’s stamped compliance plate capacity.

Government & Authoritative Towing Links

Learn about national trailer safety and vehicle compliance via the Australian Department of Infrastructure, Transport, Regional Development, Communications and the Arts.
Review legal weight, mass, and loading configurations outlined by the National Heavy Vehicle Regulator (NHVR).
Discover public weighing station locations across Australia on the National Measurement Institute (NMI) Weighbridge Registry.

Purchase similar 60mm springs here.

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Additional information

Weight	11 kg
Dimensions	93 × 15 × 10 cm
Brand	AL-KO
Spring Leaf #	6 Leaf, 7 Leaf

Our Service Lifetime Warranty

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Couplemate™ is a manufacturer and vendor of high-quality towing, trailer, and caravan components. Couplemate™ Core Goods and Custom Work are guaranteed to be free of defects for the service lifetime of the product when used as intended.

Warranties are non-transferrable and Couplemate™ requires satisfactory proof of purchase prior to issuing a remedy. The full Couplemate™ Warranty Policy can be found in the Terms & Conditions: Section 8 – Consumer Guarantees & Warranty.

Warranties are in addition to your rights under the Australian Consumer Law. If something is wrong with your order, please contact our team.

60-Day Returns

After 60 years of experience, we know that life has its unpredictable moments.

All Couplemate™ orders (online, over the phone, or in-store) have a 60 day period for change-of-mind returns and exchanges. There are some items that can’t be returned and some returns may incur a 15% restocking fee.

You can view our full policy for change-of-mind returns here.