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Previous Issue: 28 February 2006 Next Planned Update: 25 March
2014
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Primary contact: Asiri, Saeed Mohammad on 966-3-8760134
Copyright©Saudi Aramco 2009. All rights reserved.
Materials System Specification 26-SAMSS-083 25 March
2009
Diesel Engine Oil CH-4
Lubrication Systems and Lubricants Standards Committee
MembersOdan, Nabeel Mohammad, Chairman
Asiri, Saeed Mohammad, Vice Chairman
Khowaiter, Abdul Rahman Othman
Abbad, Ahmed Ibrahim
Abbad, Hussain Ali
Omar, Ahmed Ali Nasr
Bedaiwi, Khalid Ahmed
Nguyen, Linh Van
Khazandar, Marwan Mohammad
Jamea, Khalid Hamad
Shuhail, Yousuf Saleh
Saudi Aramco DeskTop Standards
Table of Contents
1
Scope.............................................................
22 Conflicts and Deviations................................. 23
References.....................................................
2
4 Requirements.................................................
25
Qualification....................................................
36
Identification...................................................
3
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Document Responsibility: Lubrication Systems and Lubricants
26-SAMSS-083
Issue Date: 25 March 2009
Next Planned Update: 25 March 2014 Diesel Engine Oil
CH-4
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1 Scope
This Specification describes the requirements of engine oil to
be used in Caterpillar
direct injection diesel engines (except 3600 series) and other
makes of diesel enginesrequiring API CH-4 performance level
crankcase oils.
An engine oil meeting this Specification is also suitable for
use in the following types ofequipment: Allison transmissions
requiring C3/C4 Fluid, Caterpillar hydraulic systems
and other mobile or marine hydraulic systems where a crankcase
oil of SAE 15W/40 issuitable, diesel engines requiring API CF-4 and
CG-4 performance level crankcase oils
and gasoline engines requiring API SF, SG, SH and SJ performance
level crankcase oils
where SAE 15W/40 is suitable.
An engine oil meeting this specification is not suitable for use
in EMD engines.
2 Conflicts and Deviations
2.1 Any conflicts between this Specification and other
applicable Saudi AramcoMaterials System Specifications (SAMSSs),
Engineering Standards (SAESs),
Standard Drawings (SASDs) or industry standards, codes and forms
shall beresolved in writing by the Company or Buyer Representative
through the
Manager, Consulting Services Department, Saudi Aramco,
Dhahran.
2.2 Direct all requests to deviate from this Specification in
writing to the Companyor Buyer Representative, who shall follow
internal company waiver procedure
and forward such requests to the Manager, Consulting Services
Department,
Saudi Aramco, Dhahran.
3 References
Material or equipment supplied to this Specification shall
comply with the latest edition
of the references listed below, unless otherwise noted.
American Society for Testing and Materials
ASTM D874 Standard Test Method for Sulfated Ash from
Lubricating Oils and Additives
ASTM D2896 Standard Test Method for Base Number
of Petroleum Products by Potentiometric
Perchloric Acid Titration
4 Requirements
The oil shall be blended from high viscosity index virgin
basestocks free from
suspended solids, water and other impurities and formulated to
meet the following:
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Document Responsibility: Lubrication Systems and Lubricants
26-SAMSS-083
Issue Date: 25 March 2009
Next Planned Update: 25 March 2014 Diesel Engine Oil
CH-4
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Viscosity Grade : SAE 15W/40
For API Service CH-4 /SJ
Sulfated Ash, (ASTM D 874) mass % : 1.6 maximum
Total Base Number (ASTM D 2896) : 12 minimum
5 Qualification
The supplier shall provide evidence of qualification as
stipulated above together with a
1-liter sample against which all supplies of the respective
product must comply within
industry accepted tolerances. Initial qualification and any
subsequent formulationchanges must be approved by the Responsible
Standardization Agency.
6 Identification
Each container shall be marked respectively as follows:
Saudi Aramco Diesel Engine Oil CH-4
Material Master Number 1000173664
Fill date and location
Batch Number
Blender's Name or other Identification
Saudi Aramco Purchase Order Number
Revision Summary
25 March 2009 Revised the "Next Planned Update". Reaffirmed the
contents of the document and reissuedwith no other changes.
