Blue Ox Exhaust Brakes

WM770/WM780

Blue Ox exhaust brake is an engine retarder for fourstroke diesel engines. WM780 models are used on engines with exhaust system diameters under 3 1/2 inches. WM770 models fit engines with exhaust system diameters of 4 to 5 inches.

Blue Ox wm770

Blue Ox - wm770 Schematic

Blue Ox 770/780 Table