Guide to Wheel Bearings
While small and often overlooked, wheel bearings are vital to trailer and caravan mobility. This guide will help you understand their function...
Manutec rocker roller springs suit tandem trailer setups with 60mm wide leaf springs that provide a ride between air and standard rocker suspensions.
Individual springs are boxed, and hangers, bolts, and rocker arms are supplied separately.
Below is an image of perfectly installed rocker roller springs. Notice the hangers are stretched as far as possible so the loop is on the back of the holder.
This robust spring is ideal for the long haul, including caravans or horse floats, livestock, and other trailers where the ride is more forgiving than standard suspension systems.
When building a new dual axle trailer, it is advisable to allow 10% for consumables and non-consumables as Payload for your customer.
For example, if the desired payload is 3t, build the ATM to 3.3t or 3.5t.
If upgrading, check the capacity of your tow bar.
Checking your tow ball weight for better towing is a great idea. 5.5% -7% for tandem trailers.
60mm wide springs twist less and are more robust to withstand better shock loading events like potholes, railway lines, cattle grids and corrugations, to name a few.
If you are considering 45mm wide springs and a cheaper suspension system, you must consider whether your trailer will be susceptible to some harsh conditions or merely be a run-around town trailer.
The location of your spring hangers can create problems if installed incorrectly. Read more here.
4 springs, 2 x centre rocker, 2 x centre hanger, 2 x front and back hangers, bolts, and nylocks.
It is always advisable to install shock absorbers on trailer suspension systems.
Shock absorbers cushion spring rebound during pothole shock loading events. The cushioning effect increases bearing, hub, spring and trailer life.
The length of rocker roller springs can vary from 1mm to 5mm. The best method to install is as follow:
Further, Manutec rocker roller springs are available by calling our sales team on 0733483822.
Finally, spring choices are important when considering new springs or upgrading old springs.
Weight | 59 kg |
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Dimensions | 100 × 40 × 15 cm |
Select Spring Capacity | 5 Leaf – 2t – 14" Wheels, 6 Leaf – 2.5t – 14" Wheels, 7 Leaf – 3t – 14" Wheels, 6 Leaf – 2.5t – 16" Wheels, 7 Leaf – 3t – 16" Wheels, 8 Leaf – 3.5t – 16" wheels, 9 Leaf – 4t – 16" wheels, 9 Leaf – 4.5t -16" wheels . |
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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