710mm Shackle Eye to Eye Spring suit single and Tandem Axle Trailers
710mm Shackle Eye to Eye Spring suits single and tandem axle trailers from 900kg to 1800kg. The leaf bolt is 5/16" high tensile and in the spring's centre.
45mm Shackle Spring
- 28-inch (710mm)
- 45mm x 8mm leaf springs
- 9/16 inch shackle bolt diameter.
- Free Camber 120mm
- Eye to Centre 355mm
- Hanger Centres 735mm
Enable load sharing by linking the 45mm Shackle through a rocker assembly. Load transfers from one axle carrying a significant percentage of the weight (crossing kerbs, etc.) to the other axle.
The rear end of the spring is connected to a dumjack, whereas the front of the spring is connected to a spring hanger. Shackle plates are used with shackle bolts to connect the spring to the dumjack.
45mm Eye-to-Eye Springs are rated as follows
- Three leaf - 425kg
- Four-leaf - 550kg
- Five leaf - 650kg
- Six leaf- 750kg
- Eight leaf - 950kg
TIP: Our most common call for help is the wrong spring picked for tandem trailers. Tandem trailers usually have offset springs.
Install electric brakes on both axles over 2000kg.
Why does some eye-to-eye springs break prematurely and lose spring tension?
Purchase your 45mm shackle springs below.
- 635mm Shackle Springs - Black and Galvanised
- 45mm Shackle Spring - 710
- 45mm Shackle Galvanised Spring - 710
- Shackle Offset Spring 45mm - 710
- 45mm Shackle Offset Galvanised Spring - 710
- 45mm Al-ko Millard 7-leaf Shackle Spring 835mm
Finally, if you get a chance, please review this article.