iv
Reviewers
The author and publisher wish to thank the following industry and teaching professionals for their
valuable input into the development of Hydraulic Systems for Mobile Equipment.
James Aakre
Associate Professor
North Dakota State College of Science
Underwood, MN
David Christen
Instructor
University of Northwestern Ohio
Lima, OH
Cole Eddy
Instructor
Lincoln College of Technology—Nashville
Nashville, TN
Nick Deftereos
Instructor
Reedley College
Reedley, CA
Ed Frederick
Instructor
State Technical College of Missouri
Linn, MO
Paul Losh
Instructor
Lincoln College of Technology—Nashville
Nashville, TN
About the Author
Timothy W. Dell is an Associate Professor of Automotive Technology at Pittsburg State University.
Dr. Dell received his doctoral degree in curriculum and instruction from Kansas State University,
a master of science degree in technology education from Pittsburg State University, and a bachelor
of science degree in automotive technology with an emphasis in diesel and heavy equipment from
Pittsburg State University. He began his career working for Case IH in their Technical Service Group,
specializing in combine diagnostics. Dr. Dell has served on John Deere’s Agricultural National
Service Training Advisory Board and has been the advisor of Pittsburg State University’s Caterpillar
ThinkBIGGER four-year degree. He currently teaches Automotive Electricity and Electronic Systems,
Automotive Automatic Transmissions, Fluid Power, Advanced Hydraulic Systems and Off Highway
Systems. Dr. Dell has served as the automotive department chair for four years, but returned to the
classroom full time to pursue his passion for curriculum development and teaching.
Dennis Massingham
Assistant Professor
University of Alaska, Anchorage
Anchorage, AK
Kent McCleary
Instructor
University of Northwestern Ohio
Lima, OH
Chris Thompson
Instructor
Alexandria Technical & Community College
Alexandria, MN
Dick Weber
Instructor
Minnesota State Community and Technical College
Moorhead, MN
Austin Williams
Assistant Professor
Ferris State University
Big Rapids, MI
Bruce Wright
John Deere Tech Program Coordinator
SUNY Cobleskill
Cobleskill, NY