Truck tractors with air brakes that were built on or after March 1, 1997 are equipped with:
Truck tractors with air brakes that were manufactured on or after March 1, 1997 are required to be equipped with Anti-Lock Braking Systems (ABS). ABS is required in any other type of vehicle with air brakes that was manufactured on or after March 1, 1998.
This questions appears in the following tests:
