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ISO 337:1981 PDF — Road vehicles — 50 semi-trailer fifth wheel coupling pin — Basic and… — GOST Standards

//ISO 337:1981

ISO 337:1981

Name: ISO 337:1981 — Road vehicles — 50 semi-trailer fifth wheel coupling pin — Basic and mounting/interchangeability dimensions
SKU: ISO 337:1981
Price: 25 EUR
Availability: InStock

Road vehicles — 50 semi-trailer fifth wheel coupling pin — Basic and mounting/interchangeability dimensions

Название (английский):

ISO 337:1981

Road vehicles — 50 semi-trailer fifth wheel coupling pin — Basic and mounting/interchangeability dimensions

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 2
Дата публикации:: 1 декабря 1981 г.
Издание:: ISO IS 337 edition 2 version 1
ICS:: 43.040.70

Тип поставки:

Full version25 €Ask AI2 €Read online 24h10 €Read online 72h15 €

Язык документа:

ruen

Срок поставки:1 рабочий день

Цена:25 €

Описание (английский):

This second edition cancels and replaces the first edition (1973). Specifies the dimensions of the 50 coupling pin /dia. 50,8 mm (2 in)/ which is used for coupling semi-trailers to prime movers, taking into account the limitations of weight generally laid down by official requirements. Some figures illustrate shapes and the difference of types.

Abstract

Overview

Key Topics

Fifth wheel coupling pin dimensions: Specifies the critical dimensional parameters of the 50.8 mm (2 in) diameter coupling pin, including basic pin diameter, length, and tolerances critical for ensuring consistent functionality and safety.
Mounting and interchangeability: Defines the necessary dimensional characteristics to allow interchangeability of coupling pins, supporting maintenance ease and vehicle compatibility.
Types of coupling pins: Details two main types with illustrative figures-Type A and Type B-highlighting differences in pin dimensions and mounting profiles.
Weight limitations: Acknowledges regulatory weight limits tied to the 50 mm standard pin and notes that heavier-duty applications should use the larger 90 mm (3.5 inch) pin as per ISO 4086.
Dimensional tolerance control: Sets clear tolerances for new and existing pins, including dimensions to check before and after mounting for quality control.

Applications

ISO 337:1981 is essential for manufacturers, designers, and maintenance professionals working in the commercial road transport and vehicle manufacturing industries. Practical applications include:

Semi-trailer manufacturing: Ensures that fifth wheel coupling pins produced by different suppliers fit universally to the prime movers, enabling smooth integration on assembly lines.
Fleet maintenance and repair: Provides guidance for inspecting and replacing coupling pins, helping maintain vehicle safety and operational efficiency.
Regulatory compliance: Helps operators and vehicle inspectors verify that coupling systems meet international size and interchangeability standards, supporting roadworthiness certifications.
Component interchange: Facilitates the use of standardized parts across different vehicle makes and models to reduce inventory costs and downtime.
Design of coupling systems: Assists engineers in setting dimensional constraints early in the design of new semi-trailers or towing vehicles, improving reliability and safety.

Related Standards

ISO 4086: Defines the basic and mounting/interchangeability dimensions for the 90 mm (3.5 inch) semi-trailer fifth wheel coupling pin, used for extra heavy-duty vehicles requiring higher load capacities.
Other ISO standards under Technical Committee ISO/TC 22: Covers complementary specifications related to road vehicle couplings, safety requirements, and vehicle dimensions ensuring integrated and harmonized standards within the road transport sector.

Adhering to ISO 337:1981 guarantees consistent, reliable, and safe semi-trailer connections by standardizing the critical dimensions of fifth wheel coupling pins, facilitating international interchangeability, and promoting regulatory compliance. This standard plays a crucial role in the efficiency and safety of road freight transportation logistics worldwide.

Технические детали

Технический комитет: ISO/TC 22/SC 40 - Specific aspects for light and heavy commercial vehicles, busses and trailers
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PDF

ISO 337:1981

Abstract

Overview

Похожие стандарты

Key Topics

Applications

Related Standards

Технические детали

ISO 4086:1982

Road vehicles — 90 semi-trailer fifth wheel coupling pin — Basic and mounting/interchangeability dimensions

ISO 8212:1986

Soaps and detergents — Techniques of sampling during manufacture

ISO 20662:2020

Ships and marine technology — Hopper dredger supervisory and control systems

ISO 3021:2023

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ISO 3826-2:2008

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ISO/IEC 24730-1:2014

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ISO 8668-5:1992

Aircraft — Terminal junction systems — Part 5: Detail specification for type 3 system

ISO 7574-3:1985

Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and e…