• Pacbrake Company™ incorporates in 1961


  • Pacbrake develops new engine brake technology for Detroit Diesel™, Caterpillar™ and Cummins™ engines
  • Pacbrake becomes the first company to patent a combination engine brake that utilizes an exhaust valve


  • Pacbrake starts supplying engine and exhaust brakes to Freightliner™, Kenworth™ and Detroit Diesel™
  • Becomes the largest North American exhaust brake manufacturer


  • Starts supplying valves to the US Military
  • Pacbrake expands R&D efforts and starts development of aftermarket products
  • Starts supplying thermal management valves to Navistar™
  • Expands aftermarket product line to include more tow/haul solutions (air springs, in-cab controls and onboard air)


  • Pacbrake celebrates 50 years in business
  • Supplies first hot EGR valve to Navistar™
  • Develops the first aftermarket engine brake for Cummins™ ISB engine
  • Develops new AMP™ heavy duty air compressor line
  • Launches the first engine shutoff valve for the oil and gas industry
  • Pacbrake develops a large range of AMP™ air springs for various suspension applications
  • Pacbrake supplies the first AMP™ onboard air system for an OEM
  • Pacbrake introduces PacPro heavy duty performance parts featuring leveling kits, air horns, remote oil filters, springs and more