JB/T 11880.6-2026Diesel engines - Selective catalytic reduction (SCR) systems - Part 6: Dosing control units (DCU) (English PDF)
柴油机选择性催化还原（SCR）系统第6部分：电子控制单元
Also coversJB/T11880.6-2026 + JBT11880.6-2026
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Issued by
Ministry of Industry and Information Technology
Level / Type
Industry · Recommended
Issue date
February 13, 2026
Implementation date
September 1, 2026
Scope
JB/T 11880.6-2026 is the English-translated version of 柴油机选择性催化还原（SCR）系统第6部分：电子控制单元.
JB/T 11880.6-2026 is Part 6 of the series on selective catalytic reduction (SCR) systems for diesel engines and deals with the electronic control unit, described in the English title as the dosing control unit (DCU). This unit controls how much urea solution the SCR system doses into the exhaust. The document is a product standard for the unit, setting the basis on which it is specified, tested, inspected and supplied.
Diesel engine makers, suppliers of electronic control units and other SCR components, vehicle builders, and test laboratories can use it. It is voluntary, as the /T in the code shows. The Ministry of Industry and Information Technology issued it on 13 February 2026, and it takes effect on 1 September 2026. It replaces JB/T 11880.6-2014.
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Document preview — JB/T 11880.6-2026
National Standard of the People's Republic of China
- ICS
- 27.020
- Classification
- J93
- Replacing
- JB/T 11880.6-2014
Issued by: Ministry of Industry and Information Technology
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
Foreword
JB/T 11880.6-2026 is a recommended industry standard of the People's Republic of China in the Machinery sector, approved and issued by the Ministry of Industry and Information Technology on 13 February 2026, with effect from 1 September 2026.
This edition replaces JB/T 11880.6-2014.
It is administered by the National Technical Committee for Internal Combustion Engine Standardization.
Classification: ICS 27.020; CCS J93.
1 Scope
JB/T 11880.6-2026 is Part 6 of the series on selective catalytic reduction (SCR) systems for diesel engines and deals with the electronic control unit, described in the English title as the dosing control unit (DCU). This unit controls how much urea solution the SCR system doses into the exhaust. The document is a product standard for the unit, setting the basis on which it is specified, tested, inspected and supplied.
Diesel engine makers, suppliers of electronic control units and other SCR components, vehicle builders, and test laboratories can use it. It is voluntary, as the /T in the code shows. The Ministry of Industry and Information Technology issued it on 13 February 2026, and it takes effect on 1 September 2026. It replaces JB/T 11880.6-2014.
Remaining clauses in the full document
- 2 Normative references
- 3 Terms and definitions
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 38 pages — is available in the English PDF.
Similar standards
Editions of JB/T 11880.6
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 11880.6-2026 | Diesel engines - Selective catalytic reduction (SCR) systems - Part 6: Dosing control units (DCU) | current edition | Current |
| JB/T 11880.6-2014 | Diesel engines - Selective catalytic reduction (SCR) systems - Part 6: Dosing control units (DCU) | previous edition | In force until 1 September 2026 |
This page sells the current edition, JB/T 11880.6-2026. Earlier editions are listed for reference only.
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Related Standards
JB/T 11880.1-2026 — Diesel engines - Selective catalytic reduction systems - Part 1: General requirements
JB/T 11880.1-2014 — Diesel Engines-Selective Catalytic Reduction (SCR) Systems - Part 1: General Requirements
JB/T 11880.2-2014 — Diesel Engines - Selective Catalytic Reduction (SCR) Systems - Part 2: Urea Solution Tanks
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JB/T 11880.6-2026
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