This is an ORIGINAL Mitsubishi diesel engine model 4D31, 4D31-T, 4D30, 4DR5 and 6DR5 service and repair manual. (printed in the USA in April 1987) This manual has super illustrations as well as having in-depth service, repair, maintenance and specification information on these Famous Mitsubishi diesel engines.  The covers are in GOOD overall condition. (see pics normal wear and soiling) The spline is tight and intact with NO splits.  The pages of this manual are super clean and in GOOD+ overall condition.  (normal wear and soiling) This manual contains 11 sections or about 300+ pages that cover these Famous Mitsubishi diesel engines from A to Z.  (see pics for index) This manual is in GOOD overall condition.  This manual will ship for FREE to the USA, International buyers to pay actual shipping cost.  Please feel free to contact me at any time with any and all questions, thanks for viewing...............................................WhiteFarms1986