1 Scope
This standard specifies the limits and measurement methods for weighted specific fuel consumption and specific oil consumption of non-road diesel engine.
This standard is applicable to non-road diesel engine (hereinafter referred to as diesel engine) with rated power no more than 560kW for land use (except for road vehicle, three-wheeled automobile and low-speed truck), marine purpose, agricultural and forestry tractors and agricultural machinery, construction machinery, generator sets and water pump sets, etc. The fuel used is light diesel oil excluding marine diesel engines that burn heavy oil.
Note: The standards or regulations for limits for specific fuel consumption in importing country or area is applicable to exported diesel engines.
2 Normative references
The following referenced documents are indispensable for the application of this document for dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 1147.2-2007 Small and medium power internal combustion engines - Part 2: Test methods
GB 20891-2007 Limits and measurement methods for exhaust pollutants from diesel engines of non-road mobile machinery (I,II)
GB/T 21404-2008 Internal combustion engine - Determination and method for the measurement of engine power - General requirements
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 21404 and GB 20891 and the following apply.
3.1
non-road diesel engine
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Standard reference conditions
5 Evaluation indicators for fuel consumption
6 Diesel engine family and parent engine
7 Limits for weighted specific fuel consumption and specific oil consumption
8 Test methods
9 Production conformity inspection
10 Test report
Annex A (Normative) Description of the characteristics of parent engine in a diesel engine family)
Annex B (Normative) List of types in a diesel engine family
Annex C (Informative) Test record table for test cycle at eight conditions
Annex D (Informative) Test record table for test cycle at three conditions
Annex E (Informative) Test record table for test cycle at four speed change conditions
Annex F (Informative) Test record table for test cycle at four constant speed conditions
