Suspension

Bushtracker uses a fully independent and load sharing suspension. NOTE THAT THE LOAD SHARING
IS VITAL!!

The popular belief is that the main benefit of Independent Suspension is the extra ground clearance via
a tunnel effect, so the normal caravan axle doesn't act like a boat anchor when the wheel falls into a rut.
This is only a side benefit!! 

The main reason for an Independent Suspension is that it breaks up harmonic motion; which is the
biggest destroyer of caravans! It occurs in normal suspensions when the speed of the moving
suspension coincides with the ruts in the road so that the bounces build on themselves creating a
destructive force. The fully independent suspension cancels out this harmonic motion. That is why the
military demands independent suspension, and so does Bushtracker.

The second reason and why Load Sharing is so important is it reduces the shock to the van.  This happens as the front wheel transfers half of the load onto the rear wheel when it hits something, and when the rear wheel hits the obstacle it shifts half of the load back on to the front wheel. The net effect is that the suspension articulates over obstacles, rather than transferring the entire shock to the van twice with each wheel..  You only get this in an Independent and Load Sharing Suspension with Bushtracker

We also order it oversized to help make it unbreakable, with larger bearings and axle stubs. For instance, in 19 and 20' vans, we have a one tonne oversized A frame, stub axles and bearings. This suspension is not an "off the shelf" item, we have it custom built to the stud pattern, oversized brakes, and the springs ordered to suit the load of each Bushtracker van.

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