Slipper Springs

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Slipper Springs 6mm and 8mm leaf, 45mm and 60mm widths

Slipper Springs are the favoured spring for box trailers and many types of trailers requiring a spring.

Boat and Box trailers use simple suspension systems in single axle and tandem axle configuration.

However, tandem axle suspension is not load sharing, and as a result, spring must be 20% larger in load sharing.


Axle loadings for slipper suspension are limited to 120% of full load.

For example, with one wheel on the gutter, the other wheel is not touching the ground. As a result, tandem axles do not share the load.

Purchase heavy duty 60mm caravan slippers here.

SES holden rodeo colaradoAeon Rubber Spring Helpers

Rubber Spring helpers fit under the u-bolts and compress when the spring reach maximum compression.

Maximum compression is achieved between a range of 40mm – 40mm.

Aeon rubber helpers compress as much as 50% by transferring load from the axle to the chassis.

Purchase spring helpers here.