Air dryer with pressure regulator;
four-circuit safety valve;
receivers;
mufflers of the receivers, to decrease air exhaust noise level;
trailer air dispenser;
service and parking brake valves;
check valve in parking brake system line;
acceleration valves (one in service brake system, the other in parking brake system”;
two sets of coupling heads (for the truck and the railer);
double-line valve;
trailer control valve;
truck braking forces regulator;
brake chambers (front, back, trailer);
a pair of flexible connectors to connect the tailer to the truck;
pressure gauges to measure the pressure in brake system lines.
Connecting fittings and air nozzles have the ability of quick connection.

Ltekonline are the manufacturers of Air Brake System used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Automotive Training Equipment for Engineering Teaching Lab in Universities