Sae j1349 engine power test Home / Standards / J1349_202511 Engine Power Test Code Spark Ignition Compression Ignition Installed Net Power Torque Rating SAE J1349_201109 : 2011 Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating This standard is intended to provide a method to obtain repeatable measurements that accurately reflect true engine performance in customer service. SAE J1349 – Engine Power Test Code – Spark Ignition and Compression Ignition – As Installed Net Power Rating This standard is intended to provide a method to obtain repeatable measurements that accurately reflect true engine performance in customer service. 23 InHg (99 kPa) of dry air and 77 F (25°C). 4271/J1349_198012. org/10. Jan 10, 2014 · This document specifies the procedure to be used for a manufacturer to certify the net power and torque rating of a production engine according to SAE J1349 (Rev. SAE J1349 standard day is 77 º F, 29. Basically this means that the closer the actual conditions are to the SAE J1349 standard (77 deg F inlet air, 29. Mar 26, 2004 · This SAE Standard has been adopted by SAE to specify: a. SAE J1349® and SAE J1995® give manufacturers the means to ensure that an engine delivers at its advertised performance. 8/04) or the gross engine power of a Testing Methodology: SAE J1349 Engine Power Test Code (this “standard is intended to provide a method to obtain repeatable measurements that accurately reflect true engine performance”). OrgWebapp Jun 1, 1995 · This SAE Recommended Practice is intended for use in testing and evaluating the approximate power consumption of engine cooling fans. Historical SAE J 1349-2011 (SAE J1349-2011) Engine Power Test Code~Spark Ignition and Compression ignition~As Installed Net Power Rating This standard is intended to provide a method to obtain repeatable measurements that accurately reflect true engine performance in customer service. Two common definitions used today are the imperial horsepower, abbreviated hp or bhp, which is about 745. Mar 2, 2023 · Overview: SAE J1349 provides a standardized method for measuring engine power and torque. SAE International | Advancing mobility knowledge and solutions Sep 20, 2011 · SAE J1349 - Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating This standard is intended to provide a method to obtain repeatable measurements that accurately reflect true engine performance in customer service. Certification of Jun 28, 1995 · This SAE Standard has been adopted by SAE to specify: a A basis for net engine power rating b Reference inlet air and fuel supply test conditions c A method for correcting observed power to reference conditions d A method for determining net full load engine power with a dynamometer Please request information about the document. Scope-Thisstandard test code has been adoptedby SAE to specify: (a) A laboratory engine dynamometer test procedure. The Flywheel HP estimate assumes an 11% driveline loss. Apr 11, 2005 · Regardless of whether manufacturers seek SAE certification for their engines’ horsepower and torque figures, it seems inevitable the new J1349 test could cut at least a few horsepower from an Whenever there is an opportunity for interpretation of the standard, a good faith effort shall be made to obtain the engine’s typical in-service performance and avoid finding the best possible performance under the best possible conditions. Nov 18, 2025 · This SAE Standard is intended to provide a method to obtain repeatable measurements that accurately reflect true engine performance in customer service. Browse Standards J1349_198506 Historical REVISED 1985-06-01 ENGINE POWER TEST CODE—SPARK IGNITION AND DIESEL J1349_198506 This standard has been adopted by SAE to specify: J1349_201109 2011-09-20 Jun 28, 1995 · This standard is intended to provide a method to obtain repeatable measurements that accurately reflect true engine performance in customer service. This performance would include flow, pressure, and power. SAE-J1349 › Historical Revision Information Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating ENGINE POWER TEST CODE-SPARKIGNITION AND DIESEL-SAEJ1349 DEC80 Report ofthe Engine Committee, approved December 1980. A basis for net engine power rating b. Best prices on SAE J1349 (SEP2011) in PDF and print format. The procedure also provides a general This document specifies the procedure to be used for a manufacturer to certify the net power and torque rating of a production engine according to SAE J1349 (Rev. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising Here are some frequently asked questions about SAE J1349 testing and its implications for automotive manufacturers: What is the primary purpose of SAE J1349 Engine Power Measurement Procedure? - The primary purpose of SAE J1349 is to measure engine power output accurately, ensuring compliance with emissions regulations and industry standards. SAE International | Advancing mobility knowledge and solutions Aug 22, 2004 · Provides a standardized method for measuring and certifying engine power and torque ratings using SAE J1349 standards. The procedure also provides a general description of equipment necessary to measure the approximate fan power consumption in a vehicle installation. This power consumption may then be used in determining engine net power per SAE J1349. SCOPE This SAE Recommended Practice is intended for use in testing and evaluating the approximate performance of engine-driven cooling fans. The procedure also provides a Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. 23”Hg, 77degF, Dry Air. 9. Nov 19, 2025 · SAE J1349_201109 发动机功率测试代码 - 火花点火和压缩点火 - 安装的净功率额定值 Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating Dec 11, 2022 · This standard is intended to provide a method to obtain repeatable measurements that accurately reflect true engine performance in customer service. Reference inlet air and fuel supply test conditions; c. Some Thoughts on Dynamometer Correction Factors and Corrected Horsepower What these conditions correct to for today’s SAE correction (J1349) in English Engineering Units is that the correction conditions would be for 29. Feb 3, 2000 · SAE -- The SAE standard applied is a modified version of the SAE J1349 standard of June 1990. (b) A basis for engine powerrating. A method for determining net full load engine power with a dynamometer. SAE International Technical Standard, ENGINE POWER TEST CODE—SPARK IGNITION AND DIESEL, SAE Standard J1349_198012, Issued December 1980, https://doi. Our Certified Power database lists engines that have passed J1349 and or J1995 testing procedures. J1349_199001 ENGINE POWER TEST CODE - SPARK IGNITION AND COMPRESSION IGNITION - NET POWER RATING Revised 01/01/1990 Description View Data Sets Related Citation Features Sep 20, 2011 · Buy SAE J1349_201109 Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating from Intertek Inform SAE International | Advancing mobility knowledge and solutions SAE International | Advancing mobility knowledge and solutions SAE International | Advancing mobility knowledge and solutions SAE J1349 offers “a fair and consistent way to measure engine power and torque”, as detailed in their official documentation. 1. Manufacturers who advertise their engine power and torque ratings as certified to SAE J1349 or SAE J1995 shall follow this procedure. ENGINE POWER TEST CODE-SPARK IGNITION AND DIESEL-SAE J1349 DEC80 Report of the Engine Committee, approved December 1980. This standard is intended to provide a method to obtain repeatable measurements that accurately reflect true engine performance in customer service. Whenever there is an opportunity for interpretation of the standard, a good faith effort shall be made to obtain the engine’s typical in-service performance and avoid finding the best possible performance under the best possible conditions SAE International | Advancing mobility knowledge and solutions Most recent SAE J 2723-2021 Engine Power Test Code - Engine Power and Torque Certification This document specifies the procedure to be used for a manufacturer to certify the net power and torque rating of a production engine according to SAE J1349 (Rev. Nov 10, 2025 · SAE J1349-2011 按已安装的净额定功率进行火花点火和压缩点火的发动机动力试验规范 Engine Power Test Code Spark Ignition and Compression ignition As Installed Net Power Rating ENGINE POWER TEST CODE-SPARK IGNITION AND DIESEL-SAE J1349 DEC80 Report of the Engine Committee, approved December 1980. Motorsports Dec 11, 2022 · 1. J1349_202511 Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power and Torque Topic Power and Propulsion Version Sep 20, 2011 · SAE J1349_201109 Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating standard by SAE International , 09/20/2011 View all product details Track It (R) Engine Power Test Code - Spark Ignition and Compression Ignition - Gross Power and Torque Rating RATIONALE This standard is being revised to reflect changes that have been made to the companion SAE J1349 standard for engine net power and torque rating to reflect modern engine controls and changes in commercially available fuels. DYNAMOMETER TESTING AND FORD RACING CALIBRATIONS sensitivity of torque relative to ignition timing. It is intended for use primarily by engine manufacturers who supply engines for installation by others in applications where the engine manufacturer may not control the induction and exhaust system design or the speed at which the engine is run. This power consumption is used to estimate net engine power per SAE J1349. 4271/J1349_200803. Whenever there is an opportunity for interpretation of the standard, a good faith effort shall be made to obtain the engine’s typical in-service performance and avoid finding the best possible performance under the best possible conditions This SAE Standard has been adopted to provide a basis for dynamometer determination of gross engine power and torque under reference conditions. A method for correcting observed power to reference conditions d. Approved by SAE-confirmed expert witnesses, these tests measure an engine’s net and gross horsepower to provide accurate data to engineers and consumers. What is SAE J1349 Certified Power? Power and torque certification enables manufacturers to assure customers that engines deliver their claimed performance. The procedure also provides a general Intentional biasing of engine component or assembly tolerance to optimize performance for this test is prohibited. For fan power This SAE Recommended Practice is intended for use in testing and evaluating the approximate performance of engine-driven cooling fans. We would like to show you a description here but the site won’t allow us. Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating Sae. Contact Page Jan 10, 2014 · SAE J1349_201109 Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating SAE J2723_201509 Engine Power Test Code - Engine Power and Torque Certification SAE J2548_200104 Test Method to Obtain Lug-Up Torque Data for Heavy-Duty Truck and Bus Engines SAE J1940_201210 Small Engine Power and Torque Rating Sep 20, 2011 · Buy SAE J1349_201109 Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating from Intertek Inform Mar 26, 2004 · SAE J1349_200403 Engine Power Test Code—Spark Ignition and Compression Ignition—Net Power Rating – 2004-03-26 SAE J1349® and SAE J1995® give manufacturers the means to ensure that an engine delivers at its advertised performance. Go to SAE-J1349 at DAPS Quick Search ASSIST SAE International Technical Standard, Engine Power Test Code—Spark Ignition and Compression Ignition—Net Power Rating, SAE Standard J1349_200803, Revised March 2008, Issued December 1980, https://doi. This power consumption would then be used to estimate net engine power per SAE J1349. This SAE Standard has been adopted by SAE to specify: a. 0 or higher for optimal download performance; older versions should continue to work, but downloading large files may appear to take longer, so please be patient in those cases. 7 watts, and the metric horsepower, also represented as cv or PS, which is approximately Buy SAE J1349_201109 Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating from Intertek Inform Using known power/speed relationships for a given fan, this procedure can be used to calculate the fan drive system’s power consumption for engine cooling systems using fixed ratio, viscous or speed modulating, and mechanical on/off fan drives including electronically activated fan drives. 31 inHg barometric pressure), the more comparable the results are to those quoted by the manufacturer. 8/04) or the gross engine power of a production engine according to SAE J1995. 4271/J1349_198306. “Sea Level Standards” would follow the same arithmetic manipulations for a correction to conditions of 29. Originally developed in the 1950s for small gasoline engines “as a uniform means of testing small gasoline engines under 20 horsepower. 2011 - Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating This standard is intended to provide a method to obtain repeatable measurements that accurately reflect true engine performance in customer service. . Dec 11, 2022 · 1. ” Intentional biasing of engine component or assembly tolerance to optimize performance for this test is prohibited. Any claims you make about engine power and torque are no doubt supported by your own data – but now there is a mechanism in place for independent verification. Whenever there is an opportunity for interpretation of the standard, a good faith effort shall be made to obtain the engine’s typical in-service performance and avoid finding the best possible performance under the best possible conditions Sep 20, 2011 · Document History J1349_201109 September 20, 2011 Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating This SAE standard has been adopted by SAE to specify: A basis for net engine power rating, Reference inlet air and fuel supply test conditions, A method for correcting observed power to reference conditions, A method for determining net full load engine power with a dynamometer. OrgWebapp Sae. Jan 9, 2011 · Standard SAE J1349 1. SURFACE VEHICLE STANDARD Engine Power Test CodeSpark Ignition and Compression IgnitionNet Power Rating SAE Technical Standards Board Rules provide that: This report is published by SAE to advance the state of technical and engineering sciences. On the other hand, STD correction results in 2-4% higher numbers than SAE. Sep 20, 2011 · Buy SAE J1349_201109 Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating from Intertek Inform ENGINE POWER TEST CODE-SPARK IGNITION AND DIESEL-SAE J1349 DEC80 Report of the Engine Committee, approved December 1980. Sep 20, 2011 · SAE J1349_201109 Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating – 2011-09-20 Manufacturers who advertise their engine power and torque ratings as Certified to SAE J1349 or SAE J1995 shall follow this procedure. Power is corrected to reference conditions of 29. A method for correcting observed power to reference conditions; d. Details Document Number: J1349_201109 Revision Number: Title Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating Scope This standard is intended to provide a method to obtain repeatable measurements that accurately reflect true engine performance in customer service. Sep 20, 2011 · Buy SAE J1349_201109 Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating from Intertek Inform Dyno Correction CalculatorThis calculator converts your dyno run into corrected SAE, MSA and STD horsepower. The power rating of the engine indicated in this table is the net power output tested on a production engine for the engine model and measured in accordance with SAE J1349 at a specified rpm. Meta This document specifies the procedure to be used for a manufacturer to certify the net power and torque rating of a production engine according to SAE J1349 (Rev. SAE J1349 - Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating This standard is intended to provide a method to obtain repeatable measurements that accurately reflect true engine performance in customer service. (c) A method for correcting observed power to standard inlet air con Sep 13, 2011 · SAE Correction SAE J1349 is the current gold standard of dyno testing and represents the newest widely accepted industry standard correction factor. There are many different standards and types of horsepower. 2 The corresponding test code for net as installed power and torque rating is SAE J1349. Manufacturers who advertise their engine power and torque ratings as certified to SAE J1349 or SAE J1995 shall follow this procedure. Whenever there is an opportunity for interpretation of the standard, a good faith Nov 14, 2025 · SAE J1349-2011 按已安装的净额定功率进行火花点火和压缩点火的发动机动力试验规范 Engine Power Test Code Spark Ignition and Compression ignition As Installed Net Power Rating Mar 6, 2008 · SAE J1349_200803 Engine Power Test Code—Spark Ignition and Compression Ignition—Net Power Rating – 2008-03-06 This SAE Recommended Practice is intended for use in testing and evaluating the approximate power consumption of engine cooling fans. SAE International Technical Standard, ENGINE POWER TEST CODE—SPARK IGNITION AND DIESEL, SAE Standard J1349_198306, Revised June 1983, https://doi. SURFACE VEHICLE STANDARD J1349®SEP2011 Issued 1980-12 Revised 2011-09 Superseding J1349®MAR2008 Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating RATIONALE This standard is intended to provide the industry with a repeatable means of determining the as installed net power and torque of an engine. Conducted on SuperFlow Dynamometers and Flowbenches model SF-902S1. Sep 19, 2011 · Provides the SAE J1349 standard for measuring engine power ratings in spark-ignition and compression-ignition engines. For fan power Feb 1, 2023 · NOTE: It is recommended that you use Adobe Reader v7. 23inHg (inches of Mercury) pressure, 0% Relative Humidity. Engine Power Test Code Committee Scope Content This standard has been adopted by SAE to specify: Meta Tags Topics Diesel / compression ignition engines Spark ignition engines Throttles Air cooled engines Boost pressure Combustion and combustion processes Exhaust systems Ignition systems Engine mounts Air cleaners Test procedures Performance May 18, 1984 · SAE-J1349 identifies Engine Power Test Code - Spark Ignition and Compression Ignition - Net Power Rating. Reference inlet air and fuel supply test conditions c. Whenever there is an opportunity for interpretation of the standard, a good faith effort shall be made to obtain the engine's typical in-service perfo Browse Standards J1349_199001 Historical REVISED 1990-01-01 ENGINE POWER TEST CODE - SPARK IGNITION AND COMPRESSION IGNITION - NET POWER RATING J1349_199001 This document has been adopted by SAE to specify: J1349_201109 2011-09-20 Document History J1349_201109 September 20, 2011 Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power Rating SAE International | Advancing mobility knowledge and solutions SAE J1349 - Engine Power Test Code - Spark Ignition and Compression Ignition - As Installed Net Power RatingThis standard is intended to provide a method to obtain repeatable measurements that accurately reflect true engine performance in customer service. a A basis for net engine power rating b Reference inlet air and fuel supply test conditions c A method for correcting observed power to reference conditions d A method for determining net full load engine power with a dynamometer Meta Tags Topics Diesel / compression ignition engines Two stroke engines Spark ignition engines Engine cooling systems Throttles Air cooled engines Engine components Jan 23, 2023 · SAE J1349 is a newer standard which does specify various ways to include the engine's internal losses, and therefore presents a more accurate indication of engine power. SAE J2723 provides a standardized method for engine power and torque certification, ensuring consistency and accuracy in performance evaluation. 92”Hg, 60degF, Dry Air and the Using known power/speed relationships for a given fan, this procedure can be used to calculate the fan drive system’s power consumption for engine cooling systems using fixed ratio, viscous or speed modulating, and mechanical on/off fan drives including electronically activated fan drives. This flow and pressure information is used to estimate the engine cooling performance. These correction factors are used by dyno shops to correct for nonstandard temperature, barometric pressure and humidity. Sep 3, 2009 · This SAE Recommended Practice is intended for use in testing and evaluating the approximate performance of engine cooling fans. Whenever there is an opportunity for interpretation of the standard, a good faith effort shall be made to obtain the engine’s typical in-service performance and avoid finding the best possible performance under the best possible conditions. Oct 15, 2021 · This document specifies the procedure to be used for a manufacturer to certify the net power and torque rating of a production engine according to SAE J1349 (Rev. A basis for net engine power rating; b. Whenever there is an opportunity for interpretation of the standard, a good faith effort shall be made to obtain the engine’s typical in-service perfor Mar 26, 2004 · This SAE Standard has been adopted by SAE to specify: a. This standard is used to determine the performance characteristics of internal combustion engines. ofoaq phb flyo wqyr hloxbzj apjbyj frcu noytauiw yupn sodmxqncw mal mhh dqbvsyz ohctt vpdnu