What is the curb weight of a 2009 Peterbilt 388 tractor with a ISX Cummins 13 speed transmission 70 mid roof sleeper 268 WB?

The curb weight of a 2009 Peterbilt 388 tractor with an ISX Cummins engine and a 70-inch mid-roof sleeper typically ranges between 18,000 to 20,000 pounds, depending on specific configurations and options. The weight can vary based on the inclusion of additional features or equipment. For the most accurate figure, it's best to consult the manufacturer's specifications or the vehicle's documentation.