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Standard

Low-Temperature Coolant Circuit Nomenclature and Applications
2018-11-08
CURRENT
J3136_201811
The document provides clarity related to multiple temperature coolant circuits used in on- and off-highway, gasoline, and light- to heavy-duty diesel engine cooling systems. Out of scope are the terms and definitions of thermal flow control valves used in either low- or high-temperature coolant circuits. This subject is covered in SAE J3142.
Standard

Exhaust Gas Recirculation (EGR) Cooler Nomenclature and Application
2011-11-02
HISTORICAL
J2914_201111
This document provides an overview on how and why EGR coolers are utilized, defines commonly used nomenclature, discusses design issues and trade-offs, and identifies common failure modes. The reintroduction of exhaust gas into the combustion chamber is just one component of the emission control strategy for internal combustion (IC) engines, both diesel and gasoline, and is useful in reducing exhaust port emission of Nitrogen Oxides (NOx). Other means of reducing NOx exhaust port emissions are briefly mentioned, but beyond the scope of this document.
Standard

Exhaust Gas Recirculation (EGR) Cooler Nomenclature and Application
2022-11-22
CURRENT
J2914_202211
This document provides an overview on how and why EGR coolers are utilized, defines commonly used nomenclature, discusses design issues and trade-offs, and identifies common failure modes. The reintroduction of selectively cooled exhaust gas into the combustion chamber is just one component of the emission control strategy for internal combustion (IC) engines, both diesel and gasoline, and is useful in reducing exhaust port emission of nitrogen oxides (NOx). Other means of reducing NOx exhaust port emissions are briefly mentioned, but beyond the scope of this document.
Standard

Exhaust Gas Recirculation (EGR) Cooler Nomenclature and Application
2016-08-23
HISTORICAL
J2914_201608
This document provides an overview on how and why EGR coolers are utilized, defines commonly used nomenclature, discusses design issues and trade-offs, and identifies common failure modes. The reintroduction of exhaust gas into the combustion chamber is just one component of the emission control strategy for internal combustion (IC) engines, both diesel and gasoline, and is useful in reducing exhaust port emission of Nitrogen Oxides (NOx). Other means of reducing NOx exhaust port emissions are briefly mentioned, but beyond the scope of this document.
Standard

ENGINE COOLANT CONCENTRATE—ETHYLENE-GLYCOL TYPE
1973-06-01
HISTORICAL
J1034_197306
This standard covers glycol-type compounds which, when added to engine cooling systems at concentrations of 40-70% by volume of coolant concentrate in water, provide corrosion protection, lower the freezing point, and raise the boiling point of the coolant. Such compounds are intended for a minimum of 1 year (approximately 12,000 miles) service in a properly maintained cooling system. (Reference: SAE HS-40, Maintenance of Automotive Engine Cooling Systems.) Coolants meeting this standard do not require the use of supplementary materials. For additional information on engine coolants, see SAE J814.
Standard

ENGINE COOLANT CONCENTRATE - ETHYLENE-GLYCOL TYPE
1988-07-01
HISTORICAL
J1034_198807
This standard covers glycol-type compounds which, when added to engine cooling systems at concentrations of 50 - 70% by volume of coolant concentrate in water, provide corrosion protection, lower the freezing point, and raise the boiling point of the coolant. Such compounds are intended for a minimum of 1 year (approximately 12 000 miles) service in a properly maintained cooling system. (Reference: SAE HS-40, Maintenance of Automotive Engine Cooling. Systems.) Coolants meeting this standard do not require the use of supplementary materials. For additional information on engine coolants, see SAE J814. Heavy-duty non-automotive and heavy-duty diesel engine coolant maintenance may require different measurement and test parameters due to differences in engine design and materials, and high mileage service requirements.
Standard

Engine Charge Air Cooler (CAC) Nomenclature
1990-06-01
HISTORICAL
J1148_199006
This SAE Recommended Practice is intended to outline basic nomenclature and terminology in common use for engine charge air coolers, related charge air cooling system components, and charge air operating and performance parameters. An engine charge air cooler is a heat exchanger used to cool the charge air of an internal combustion engine after it has been compressed by an exhaust gas driven turbocharger, an engine driven turbocharger, or a mechanically or electrically driven blower. The use of a charge air cooler allows increased engine horsepower output, and may reduce emission levels and improve fuel economy through a more complete combustion due to the increased air density available. Typical cooling media includes the engine's coolant, ambient air, or an external water or coolant source.
Standard

Heavy-Duty Vehicle Cooling Test Procedures
2023-02-06
CURRENT
J1393_202302
The purpose of this SAE Recommended Practice is to establish a testing procedure to determine the performance capability of heavy-duty vehicle cooling systems to meet Original Equipment Manufacturer or end user thermal specifications to ensure long term reliable vehicle operations. The recommendations from the present document are intended for heavy-duty vehicles including, but not limited to, on- and off-highway trucks, buses, cranes, drill rigs, construction, forestry, and agricultural machines.
Standard

Heavy Duty Vehicle Cooling Test Code
2017-12-12
HISTORICAL
J1393_201712
The purpose of this SAE Recommended Practice is to establish a testing procedure to determine the performance capability of heavy duty vehicle cooling systems to meet Original Equipment Manufacturer or end user thermal specifications to ensure long term reliable vehilcle operations. The recommendations from the present document are intended for heavy-duty vehicles including, but is not limited to, on- and off-highway trucks, buses, cranes, drill rigs, construction, forestry and agricultural machines.
Standard

HEAVY DUTY NON-METALLIC ENGINE COOLING FANS—MATERIAL, MANUFACTURING AND TEST CONSIDERATIONS
1985-01-01
HISTORICAL
J1474_198501
All materials classified as nylons share certain basic characteristics. However, even within the seemingly limited realm of glass fiber reinforced nylons, many levels and combinations of physical, thermal, and environmental resistance properties are available. These properties result from such factors as the following: 1 Type of nylon (6, 6/6, 6/10, 6/12, etc.) 2 Percentage (by weight) of glass fibers 3 Diameter and length of glass fibers 4 Wetting agent used to promote adhesion between resin and fibers (if present) 5 Heat stabilizer (if present) 6 Impact modifier (if present) 7 Pigmentation (if present) In order to select a material with appropriate characteristics, the prospective manufacturer and end user should investigate the proposed application thoroughly, and maintain open communication with the various material suppliers.
Standard

HEAVY-DUTY NONMETALLIC ENGINE COOLING FANS—MATERIAL, MANUFACTURING, AND TEST CONSIDERATIONS
1995-06-01
HISTORICAL
J1474_199506
The following topics are included in this report: Section 2—References Section 3—Definitions Section 4—Material Selection Section 5—Production Considerations Section 6—Initial Structural Integrity Section 7—In-Vehicle Testing Section 8—Laboratory Testing The Material Selection section lists environmental factors and material properties which should be considered when determining appropriate fan material(s) for a given application. The Production Considerations section covers various aspects of machine selection, mold design, and process control. The Initial Structural Integrity section lists factors which should be considered in addition to those covered by Section 3 of SAE J1390. The In-Vehicle Testing section lists factors which should be considered in addition to those covered by Section 4 of SAE J1390.
Standard

Heavy-Duty Nonmetallic Engine Cooling Fans—Material, Manufacturing, and Test Considerations
2003-04-25
HISTORICAL
J1474_200304
The following topics are included in this report: Section 2—References Section 3—Definitions Section 4—Material Selection Section 5—Production Considerations Section 6—Initial Structural Integrity Section 7—In-Vehicle Testing Section 8—Laboratory Testing The Material Selection section lists environmental factors and material properties which should be considered when determining appropriate fan material(s) for a given application. The Production Considerations section covers various aspects of machine selection, mold design, and process control. The Initial Structural Integrity section lists factors which should be considered in addition to those covered by Section 3 of SAE J1390. The In-Vehicle Testing section lists factors which should be considered in addition to those covered by Section 4 of SAE J1390.
Standard

Heavy-Duty Nonmetallic Engine Cooling Fans—Material, Manufacturing, and Test Considerations
2009-12-14
HISTORICAL
J1474_200912
The following topics are included in this report: Section 2—References Section 3—Definitions Section 4—Material Selection Section 5—Production Considerations Section 6—Initial Structural Integrity Section 7—In-Vehicle Testing Section 8—Laboratory Testing The Material Selection section lists environmental factors and material properties which should be considered when determining appropriate fan material(s) for a given application. The Production Considerations section covers various aspects of machine selection, mold design, and process control. The Initial Structural Integrity section lists factors which should be considered in addition to those covered by the same section of SAE J1390. The In-Vehicle Testing section lists factors which should be considered in addition to those covered by the same section of SAE J1390.
Standard

Heavy-Duty Nonmetallic Engine Cooling Fans--Material, Manufacturing, and Test Considerations
2012-02-06
CURRENT
J1474_201202
The following topics are included in this report: Section 2 - References Section 3-Definitions Section 4 - Material Selection Section 5 - Production Considerations Section 6 - Initial Structural Integrity Section 7 - In-Vehicle Testing Section 8 - Laboratory Testing The Material Selection section lists environmental factors and material properties which should be considered when determining appropriate fan material(s) for a given application. The Production Considerations section covers various aspects of machine selection, mold design, and process control. The Initial Structural Integrity section lists factors which should be considered in addition to those covered by Section 3 of SAE J1390. The In-Vehicle Testing section lists factors which should be considered in addition to those covered by Section 4 of SAE J1390.
Standard

Oil Cooler Application Testing and Nomenclature
2021-12-13
CURRENT
J1468_202112
This SAE Recommended Practice is applicable to oil-to-air and oil-to-coolant oil coolers installed on mobile or stationary equipment and provides a glossary of oil cooler nomenclature. Such oil coolers may be used for the purpose of cooling automatic transmission fluid, hydraulic system oil, retarder system fluid, engine oil, etc. This document outlines the methods of procuring the test data to determine the operating characteristics of the oil cooling system and the interpretation of the results.
Standard

FAN HUB BOLT CIRCLES AND PILOT HOLES
1984-07-01
HISTORICAL
J635_198407
The scope of the specification is limited to heavy-duty diesel engine manufacturers, fan suppliers, and end users. Standard mounting patterns are given for fans up to 2000 mm rotating diameter. Passenger car and light-duty fans were not addressed because committee members issuing the specification felt that standards for these fans could be better addressed by personnel working in the market segments which use those fans. Rationale for issuance of the specification is cost savings through reduction of part numbers and inventory. Failure to comply with this specification will result in the need to release and carry in inventory parts of identical blade geometry and construction, but with different mounting patterns.
Standard

FAN HUB BOLT CIRCLES AND PILOT HOLES
1995-06-28
HISTORICAL
J635_199506
The purpose of this SAE Recommended Practice is to encourage the standardization of mounting patterns for engine cooling fans as new engines are designed and developed in SI metric units. It is specifically not the objective of the specification to address the soft metric conversion of existing mounting patterns on engines designed in English units. The scope of the specification is limited to heavy-duty diesel engine manufacturers, fan suppliers, and end users. Standard mounting patterns are given for fans up to 2000 mm rotating diameter. Passenger car and light-duty fans were not addressed because committee members issuing the specification felt that standards for these fans could be better addressed by personnel working in the market segments which use those fans. See Figure 1 and Table 1. Rationale for issuance of the specification is cost savings through reduction of part numbers and inventory.
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