: Inspect the Diesel Particulate Filter (DPF) and DEF system. These are among the most expensive components to repair on modern trucks.
: Check for "blow-by" pressure, oil leaks around the block, and even exhaust color. Blue smoke often indicates burning oil. buy used commercial truck
Used Truck Buying Guide: 10 Steps to Take Before Making a Purchase : Inspect the Diesel Particulate Filter (DPF) and DEF system
Buying a used commercial truck is a strategic way to avoid the steep initial depreciation of a new vehicle, which can be as high as 20% to 40% in the first few years. For most buyers, the "sweet spot" for reliability and value is found in trucks with 300,000 to 500,000 miles, where the price has stabilized but major overhauls aren't typically due yet. oil leaks around the block