Peterbilt 589 features a Sleeper configuration to go with a Cummins X15 turbodiesel engine and an 18-speed manual ...
[Related: 2013 National Champion, Working Combo: Bill Rethwisch’s 2012 Peterbilt 389 and Polar ... we like to set our trucks up.” The sleeper is a 63-inch flattop, a look he’s always liked ...