OS GSO ECE R 51:2024

ECE R 51:2023
Omani Standard   Current Edition · Approved on 14 October 2024

Uniform provisions concerning the approval of motor vehicles having at least four wheels with regard to their sound emissions

OS GSO ECE R 51:2024 Files

OS GSO ECE R 51:2024 Scope

This Regulation contains provisions on the sound emitted by motor vehicles and applies to vehicles of categories M and N.1 The specifications in this Regulation are intended to reproduce the sound levels which are generated by vehicles during normal driving in urban traffic. This Regulation provides, as well, Additional Sound Emission Provisions for vehicles of categories M1 and N1 referring to driving conditions with extreme accelerations in an extended speed range representative for urban and suburban traffic.2" 

Best Sellers From Mechanical Sector

OS GSO 42:2015
GSO 42:2015 
Omani Standard
MOTOR VEHICLES - GENERAL REQUIREMENTS
GSO 42:2015
 
Gulf Technical Regulation
MOTOR VEHICLES - GENERAL REQUIREMENTS
GSO 159:1993
 
Gulf Technical Regulation
MOTOR VEHICLES – DIMENSIONS AND WEIGHTS
OS GSO 159:1993
GSO 159:1993 
Omani Standard
MOTOR VEHICLES – DIMENSIONS AND WEIGHTS

Recently Published from Mechanical Sector

GSO ISO 34505:2026
ISO 34505:2025 
Gulf Standard
Road vehicles — Test scenarios for automated driving systems — Scenario evaluation and test case generation
GSO EN 131-3:2018+A1:2026
EN 131-3:2018+A1:2025 
Gulf Standard
Ladders - Part 3: Marking and user instructions
GSO ISO 5393:2026
ISO 5393:2017 
Gulf Standard
Rotary tools for threaded fasteners — Performance test method
GSO ISO 11681-2:2026
ISO 11681-2:2022 
Gulf Standard
Machinery for forestry — Portable chain-saw safety requirements and testing — Part 2: Chain-saws for tree service