Gear Configuration

Vehicle Configuration

The NAPTF test vehicle consists of two carriages, a north carriage and a south carriage, each of which can be configured using up to 10 wheels. In the CC6 test, each carriage was configured as a four-wheel (2D) gear.  The dimensions of the load configuration are illustrated in the below figure.  The dual spacing was 54 inches and the tandem spacing was 57 inches.