Krumpton picked this 1971 Kenworth W900 up in 2008 ... Originally, the unit had a 36-inch sleeper and a 335 Cummins, which in 1985 was replaced with a 400 Cummins and 15 Speed transmission ...

plus a rear sleeper compartment which features a padded sleeping surface. Photo: Bring a Trailer Powering this Kenworth W900A semi is a replacement Cummins 855ci turbodiesel inline-six unit ...