Standard No.:	GB 20891-2007
Chinese Name:	非道路移动机械用柴油机排气污染物排放限值及测量方法（中国Ⅰ、Ⅱ阶段）
English Name:	Limits and measurement methods for exhaust pollutants from diesel engines of non-road mobile machinery(I、II)
Professional Classification:	Z64 Discharge standard for mobile pollution sources
Professional Classification:	GB National Standard
ICS Classification:	13.040.50 Transport exhaust emissions
Issued by:
Issued on:	2007-04-25
Implemented on:	2007-10-01
Status:	ABOLISHED
Replace By:	GB20891-2014 Limits and measurement methods for exhaust pollutants from diesel engines of non-road mobile machinery（CHINA Ⅲ，Ⅳ）
Replace By Date:	2014-10-01
Language:	English
File Format:	PDF
Word Count:	33500 words
Price(USD):	1005 (USD)
Delivery:	via email in 1-8 business day

1 Application Scope

This standard specifies the emission limits and measurement methods for exhaust pollutants from diesel engines of non-road mobile machinery.
This standard is applicable to the diesel engine, installed for the following (including but not limited to) non-road mobile machinery, with rated net power not exceeding 560kW and operating at non-permanent speed.
——Industrial drilling equipment;
——Engineering machinery (including loader, bulldozer, road roller, asphalt paver, truck for non-highway, excavator, etc.);
——Agricultural machinery (including tractor, combine-harvester, etc.);
——Forestry machinery;
——Material handling machinery;
——Forklift;
——Snowplough equipment;
——Airport ground servicing equipment.
This standard is applicable to the diesel engine, installed for the following (including but not limited to) non-road mobile machinery, with rated net power not exceeding 560kW and operating at permanent speed.
——Air compressor;
——Generator unit;
——Fishery machinery (automatic aerator, pond excavator, etc.);
——Water pump.
This standard specifies the emission limits and measurement methods for exhaust pollutants from secondary engine installed for vehicles for carrying people (cargo) on road.
If the diesel engine of non-road mobile machinery with rated net power not exceeding 37kW is used for ship driving, it may be implemented by reference to this standard.
Diesel engines of non-road mobile machinery manufactured for export purpose are applicable to pollutants emission laws and regulations of import countries or regions.

2 Normative References

The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this standard.