Exhaust Brake - PacBrake - PRXB Diesel Exhaust Brake for Medium Duty Vehicles

You’re either here because your current exhaust brake isn’t functioning properly, (ie. sticking, seizing) or maybe you just have the need for more braking horsepower. Whatever your motivation is, Pacbrake’s PRXB exhaust brake is the next generation in supplemental braking, proven to provide reliable retarding performance throughout the entire RPM range. The problem with exhaust brakes in the past is that as the vehicle slows down, the RPMs drop, and you lose backpressure, resulting in a loss of braking power. Pacbrake’s PRXB addresses this very issue with a patented air valve that is designed to close as the engine’s RPMs begin to drop. The closing of this valve creates higher backpressure and therefore higher braking horsepower. At 1200 RPM the PRXB will create the same braking power as a traditional exhaust brake does at 2200 RPM. No other exhaust brake can claim this!Pacbrake’s PRXB also features a unique Arcor Nitride coating to increase lubricity and protect against wear and corrosion. This, along with a patented 90 degree non-contacting butterfly valve, prevents the exhaust brake from sticking ensuring seamless exhaust brake performance.

Application Guides

Medium Duty PRXB Exhaust Brake Guide

Application Guides

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