Getting to Know Your Truck's 30-30 Brake Chamber
If you're hauling heavy loads across the country, the 30-30 brake chamber is probably the most important piece of hardware you rarely actually look at. It sits back there on the axle, quietly doing the heavy lifting every time you hit the pedal or pull the yellow knob on the dash. Most drivers and owner-operators know they have them, but it's easy to take them for granted until you hear that dreaded hissing sound during a pre-trip inspection. ...