45mm Millard Caravans Leaf Spring – 835mm – 574591

Part No: 574591 Categories: ,

$199.00

8 in stock

Please be aware that the pricing is for one spring only. 

8 in stock

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835mm Shackle Spring – 7 Leaf to suit Millard Caravans

835mm shackle eye-to-eye spring used on Millard single axle and Tandem axle caravans.

Millard caravans and other manufacturers have used the same design spring in its caravans for over 70 years. Al-ko now stocks only a 7-leaf or 45mm wide spring.

Over time, 835mm shackle springs become fatigued and require replacement. When purchasing other generics, the leaf spring should be 8mm.

AL-KO makes the Millard Caravan Eye-to-Eye Shackle Springs

  • 835mm
  • 800kg per spring
  • 45mm x 8mm
  • 9/16″ inch shackle bolt diameter x 3.5″
  • Free Camber 120mm
  • Eye to Centre 386mm
  • Tandem Hanger Centres 912mm
  • Single Axle Hanger Centres 870mm
  • Powder Coated Finish
  • Semi off-road
  • Uncompromising quality

TIP: Our most common call for help concerns the wrong spring picked for tandem axle trailers, which usually have offset springs.

Note: Al-ko has been manufacturing a range of springs for pop-top Millard Caravans for many years. However, all springs except this genuine seven-leaf Alko shackle spring has been discontinued.

If you do not need all seven leaves, here is a tip: Remove the third leaf from the bottom, then re-insert the centre pin.

The Alko centre pin is mild steel, so do not overtighten it. The U-bolts will do most of the work clamping the spring together.

Couplemate carries good stocks of this hard-to-locate spring.

  • The rear end of the spring connects to a rear hanger.
  • The eye from the front of the spring attaches to a spring hanger.
  • Shackle plates are used in conjunction with shackle bolts to connect the spring to the dumbjack.

The spring moves on shackle bolts plates around a rear hanger.

Enable load sharing by linking the 45mm Shackle through a “rocker” assembly in a multi-axle configuration. Load transfers from one axle that is carrying a significant percentage of the weight (crossing kerbs, etc.) to the other axle.

Why are shackle leaf springs superior to slipper springs?

  1. Shackle springs are less noisy on the road
  2. Load sharing capability
  3. Wear and tear from direct contact with the chassis
  4. The tail of the slipper is not fixed and can pop out of its housing
  5. Slipper springs and in particular parabolic springs twist when reversing
  6. Eye-to-eye springs swing on shackle bolts thereby creating less wear than standard slipper springs.

Why do some springs break prematurely or lose spring tension?

The cause is vibration fatigue, read about it here.

Purchase more eye-to-eye springs from the list below.

Find the answers: why do trailer and camper springs break?

Finally, if you get a chance, please review this product.

Caravan Spring and Spare parts choices.

Additional information

Weight12 kg
Dimensions93 × 15 × 10 cm

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.

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