TM 5-3895-382-24 Lubricant Specifications General Information Caterpillar     recognizes     and     supports     the     American Petroleum   Institute   (API)   "Engine   Oil   Licensing   and Certification     System"     for     engine     oils.          The     API publication No.  1509, 13th edition, contains the detailed information concerning this system.  Engine oils bearing the API symbol am licensed by the API. Examples of the API symbol. Diesel  engine  oil  classifications  CD,  CD-2  and  CE  will not  be  API  licensed  categories  after  January  1,  1996. Caterpillar  will  only  reference  those  categories  that  are licensed by the API.  The table summarizes the status of the categories. STATUS OF SEVERAL OIL CLASSIFICATIONS Obsolete Current CC, CD CF CD-2 ¹ CF-2 ¹ CE CF-4, CG-4 ¹CD-2   and   CF-2   are   oil   categories   for   two-cycle   diesel engines.  These oils are NOT recommended for Caterpillar engines. Engine Lubricant Specifications Caterpillar Oil Caterpillar    oils    have    been    developed,    tested,    and approved  by  Caterpillar  to  provide  the  performance  and life   that   has   been   designed   and   built   into   Caterpillar diesel   engines.      Caterpillar   oils   am   used   for   engine development    and    factory    fill.        Caterpillar    oils    are available   from   Caterpillar   dealers.      Due   to   significant variations in the quality and performance of commercially available oils, Caterpillar recommends the following oils: Caterpillar Diesel Engine Oil (DEO)(multi-grade) Caterpillar   DEO   multi-grade   oils   are   formulated   with detergents,    dispersants,    and    sufficient    alkalinity    to provide     superior     performance     in     Caterpillar     diesel engines.      DEO   multi-grade   oils   are   blended   in   two viscosity grades:  SAE 10W-30 and SAE 15W-40.  Refer to   the   lubricant   viscosity   chart   to   choose   the   correct viscosity grade based on ambient temperatures. Multigrade  oils  provide  the  correct  viscosity  for  a  broad range   of   operating   temperatures   and   for   cold   engine starts.    Multi-grade  oils  are  also  effective  in  maintaining low oil consumption and low levels of piston deposits. Caterpillar   DEO   multi-grade   oils   are   also   qualified   for use in other diesel engines and in gasoline engines. Consult     the     engine     manufacturer's     guide     for     the recommended     specifications,     and     compare     to     the specifications    of    Caterpillar    DEO    multi-grade.        The current Caterpillar DEO industry specifications are fisted on the label and on the product data sheets. Cold Weather Lubricants Multipurpose Tractor Oil (MTO) Caterpillar  Multipurpose  Tractor  Oil  (MTO)  is  available for   use   in   the   implement   steering,   hydraulic   systems, and steering control mechanisms of tractors, and for use in  the  Caterpillar  rear  drive  axles.    It  has  an  ambient temperature  range  of  -25C  (-13F)  to  40C  (104F)  in these applications. For   ambient   conditions   that   are   below   -25C   (-13F) check    with    your    supplier    for    commercially    available Multipurpose     Tractor     Transmission     Fluids     with     the required   ambient   temperature   capability   for   your   area that meet Ford "M2C134-C/D" specifications. NOTICE Caterpillar Multipurpose Tractor Oil (MTO) is not the same   as   Caterpillar   Transmission/Drive   Train   Oil, and   does   not   meet   Caterpillar's   specifications   for TO-4  oil.    Caterpillar  MTO  should  not  be  used  in compartments which specify TO-4 oil. Maintenance Section Lubricant Specifications 1-36