This is an ORIGINAL Mitsubishi diesel engine model 6DR51A service and repair manual. (printed in Japan Oct. 1980) 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 160 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