Product Overview
The WAKN28600 is a heavy-duty Full-Function Trailer Brake Control Valve (FF-2 type) from World American, designed to meet rigorous commercial vehicle standards for trailer air brake systems. Built with built-in pressure protection and anti-compounding features, this valve ensures safe and reliable operation by maintaining service brake supply and eliminating spring-brake over-compounding—especially critical for vocational and over-the-road trailers.
REPLACES: 170.KN28600, 39300584, 401221, 4075, 40750, 5396-KN28600X, AVKN28600, EMDK28600N, F224694, FTV-4075, GTA28600, HDXKN28600, KN28600, KN28600RX, MBRKN28600, N4304AC, R955KN28600X, RKN286000, TDARKN28600, TV28600, ZZKN28600, S-22187
