Baker College of Owosso and the Auto/Diesel Institute of Michigan received a big donation in the form of a major motor, Owosso Now reports.  The PACCAR MX13-13 diesel truck engine packs a $51,558 price tag.  It's the largest heavy-duty diesel engine produced by PACCAR.  The donation comes from Berger Dealer Group of Dearborn to enable engine-specific technician training.  Additionally, Berger donated special tools, software and manuals for use in servicing the engine.  The donation is one of the largest ever received by Auto/Diesel Institute, which opened in 2007.