A 2019 Freightliner PT126SLP, with 858,369 miles on the odometer, is a used but still viable workhorse in the long-haul trucking industry. As a variant of the Cascadia 126, this model is a Class 8 semi-truck typically powered by a Detroit DD15 engine and paired with an automated or manual transmission. Given the high mileage, a vehicle like this has seen extensive use, likely as part of a fleet, and would have a well-documented service history. Its overall condition would depend heavily on maintenance, but the PT126SLP is known for its aerodynamic design and a sleeper cab that provides a comfortable living space for long-distance drivers. While it shows significant wear, with proper upkeep and recent repairs, it could continue to be a dependable vehicle for many more miles.