The successor to the out-of-print Tractors and Their Power Units focuses on the machines used to propel and power implements for agricultural production. It covers engine performance measures; engine and vehicle testing; thermodynamics and engine cycles; engine design; compression-ignition engines; intake and exhaust systems; cooling systems; electrical and electronic systems; hydraulic systems; drive trains; traction and transport devices; chassis mechanics; and human factors and safety. The text assumes knowledge of undergraduate physics and college algebra. Illustrated in b&w. An accompanying errata sheet lists 18 problem spots for 15 chapters. Annotation ©2005 Book News, Inc., Portland, OR (booknews.com)[/tabbler]