TM 5-3895-383-24 Terminology Certain abbreviations follow the nomenclature of "SAE J754". Some   classifications   follow   "SAE   J183"   abbreviations,   and some classifications follow the "EMA Recommended Guideline on  Diesel  Engine  Oil".    In  addition  to  Caterpillar  definitions, there    are    other    definitions    that    will    be    of    assistance    in purchasing  lubricants.    Recommended  oil  viscosities  can  be found   in   this   publication,   "Engine   Oil"   topic   (Maintenance Section). Caterpillar Fluids Caterpillar fluids have been approved by Caterpillar in order to increase  the  performance  of  Caterpillar  components  and  the life   of   Caterpillar   components.      Caterpillar   fluids   that   are currently  used  for  engines  and  for  machines  are  offered  by Caterpillar   dealers.      Caterpillar   fluids   are   also   offered   for continued   refills.      Consult   your   Caterpillar   dealer   for   more information on these Caterpillar fluids. Caterpillar  recommends  the  use  of  the  following  Caterpillar fluids: Caterpillar Multigrade Diesel Engine Oil (DEO) Caterpillar Transmission/Drive Train Oil (TDTO) Caterpillar Multipurpose Tractor Oil (MTO) Caterpillar Hydraulic Oil (HYDO) Caterpillar Biodegradable Hydraulic Oil (HEES) Caterpillar Gear Oil (GO) Caterpillar Multipurpose Lithium Grease (MPG) Caterpillar Multipurpose Molybdenum Grease (MPGM) Caterpillar Special Purpose Grease (SPG) Caterpillar Premium Grease (CPG) Caterpillar Extended Life Coolant (ELC) Caterpillar Diesel Engine Antifreeze/Coolant (DEAC) Engine Oil SMCS Code:  1000; 1348 Applications D300,  3000,  3100,  3176,  3196,  3200,  3300,  3400,  and  3500 series of diesel engines. Caterpillar Diesel Engine Oil (DEO) Caterpillar  Oils  have  been  developed  and  tested  in  order  to provide  the  full  performance  and  service  life  that  has  been designed and built into Caterpillar Engines.  Caterpillar Oils are currently used to fill diesel engines at the factory.  These oils are offered by Caterpillar dealers for continued use when the engine oil is changed.  Consult your Caterpillar dealer for more information on these oils. Due    to    significant    variations    in    the    quality    and    in    the performance of commercially available oils, Caterpillar makes the following recommendations: · Caterpillar Diesel Engine Oil DEO (10W30) · Caterpillar Diesel Engine Oil DEO (15W40) Caterpillar multigrade Diesel Engine Oil is formulated with the correct  amounts  of  detergents,  dispersants,  and  alkalinity  in order   to   provide   superior   performance   in   Caterpillar   Diesel Engines. Caterpillar  multigrade  Diesel  Engine  Oil  is  available  in  two viscosity grades (10W30 and 15W40).  In order to choose the correct oil viscosity to use for the ambient temperature, refer to the table for Lubricant Viscosities.  Multigrade oils provide the correct viscosity for a broad range of operating temperatures. Multigrade oils are effective in maintaining low oil consumption and low levels of piston deposits. Caterpillar multigrade Diesel Engine Oil can be used in other diesel   engines   and   in   gasoline   engines.      See   the   engine manufacturer's   guide   for   the   recommended   specifications. Compare the specifications to the specifications of Caterpillar multigrade Diesel Engine Oil.  The current industry standards for Caterpillar Diesel Engine Oil are listed on the product label and on the data sheets for the product. Consult   your   Caterpillar   dealer   for   part   numbers   and   for available sizes of containers. Maintenance Section Lubricant Specifications 1-42