When only the tractor is equipped with an Anti-Lock Braking System (ABS):

Question

If a tractor is equipped with an Anti-Lock Braking System (ABS) but the trailer is not, the risk of jackknifing will be reduced and the driver should still be able to maintain steering control. If only the trailer is equipped with ABS, it is less likely that the trailer will swing out to one side.

Accepted Answer

There is a decreased risk of jackknifing.

Answer

There is an increased risk of jackknifing.

Answer

The brakes will not work as effectively as they would without ABS.

Answer

The brakes will become more sensitive.