But if the fuel gauge leaves us little cause for worrying about the level of our 18.3-gallon fuel tank, the 5.1-gallon Diesel Exhaust Fluid (or DEF) tank is doubly no cause for concern.

You need several components to make the system work, including: A tank that can hold about 5 gallons of DEF. A heater to help prevent it from freezing if you drive in areas where the temperatures ...

MARKHAM, Ont. – Their acronyms may sound alike, but the care and attention required of DPFs and DEF are very much different. Diesel particulate filters (DPFs), of course, have been on all new trucks ...

If the DEF tank does get punctured ... now includes a thin skidplate on later-model trucks, shielding the tank with heavy-gauge steel plate is cheap insurance, especially if you head off-road ...

The DEF is stored in a separate, insulated, heated tank and typically has a blue filler ... you could have a fuel-gauge-like readout (Ram), a digital indicator (GM) or a simple “low” light ...

a full DEF tank should last 6300 miles, but, as everyone knows by now, your mileage will vary. While there’s no DEF gauge in our Range Rover (some vehicles have those now), the driver can ...

A GMC Sierra owner accidentally filled his diesel tank with diesel exhaust fluid (DEF). DEF in a diesel tank can damage the fuel system, leading to hugely expensive repairs. An independent shop ...

internally baffled fuel tanks with a sight gauge, vented cap and tank breather, with the option to use one of the tanks as a 110-gallon DEF tank. Because the fuel tank trailers are specially ...

Finding DEF in the wild can be a hassle, especially as diesels are designed to slip into a “limp” mode when the DEF tank runs dry ... The diesel-fuel and DEF gauges were low.

Thunder Creek Equipment FST Series trailers are available in 500-, 750- and 990-gallon diesel capacities with a 100-gallon DEF tank and an optional field-installed ... into a single unit with heavy ...