GB/T 1147.1-2025

Active

Small and medium power internal combustion engines—Part 1: General technical specifications

中小功率内燃机第1部分：通用技术规范

Standard Type

GBT

ICS

27.020

CCS

J 91

Status

Active

Issue Date

2025-10-31

Implementation

2026-05-01

Centralized Committee

中国机械工业联合会

Issuing Authority

国家市场监督管理总局国家标准化管理委员会

Application Summary AI generated

This standard specifies general technical requirements, test methods, inspection rules, and marking/packaging for small and medium power internal combustion engines (typically up to several hundred kilowatts). It is applied in the design, manufacturing, and quality verification of engines used in agricultural machinery, construction equipment, small generators, and industrial vehicles. The standard ensures performance reliability, safety, and environmental compliance across these applications.

Related Standards

JB/T 6728.2-2008 Internal combustion engines - Camshafts - Part 2: Wedge-cross rolling blanks JB/T 51185-1999 Volute Mixed-Flow Pump - Product Quality Grading (Internal Use) JB/T 51118-1999 Internal combustion engines - Full round main bearings - Product quality grading (Internal use) JB/T 51114-1999 Internal combustion engines - Cooling water pumps - Product quality grading (Internal use) JB/T 51116-1999 Internal combustion engines - Oil pumps - Product quality grading (Internal use) JB/T 51119-1999 Internal combustion engines - Valve tappets - Product quality grading (Internal use) JB/T 51117-1999 Internal Combustion Engines - Valve Seat - Product Quality Grading (Internal Use) JB/T 51111-1999 Internal combustion engines - Paper element oil filter assemblies - Product quality grading (Internal use)

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.