Two inverted laminated springs carried the vertical load.
2.
The buffing gear between engine and tender consisted of a laminated spring, contained in a steel casting attached to the tender's front buffer beam.
3.
Instead of a swing beam to control lateral movement, there were two transverse laminated springs, the ends of which were connected to three-point T-headed links.
4.
The initial design also included a return to non-fluted coupling rods and laminated springs beneath the leading and driving axleboxes ( both features harking back to the 1854 class ).