VR N class (N400-N499)

2 cylinder exhaust

Nathan VR 5 chime whistle (5 long, 5 medium, 5 short)

Single action compressor

Full Throttle Steam features: Heavy Load & Coast modes

Independent Brake Valve air release and application

Brake graunch 

Coupler crash, brake lines, coupler bar

Curve squeal

Taildisc