ISO 5673-1:2005 PDF

Agricultural tractors and machinery — Power take-off drive shafts and power-input connection — Part 1: General manufacturing and safety requirements

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Title (English):

ISO 5673-1:2005

Agricultural tractors and machinery — Power take-off drive shafts and power-input connection — Part 1: General manufacturing and safety requirements

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 23
Publication date:: March 7, 2005
Edition:: ISO IS 5673 edition 1 version 1
ICS:: 65.060.01

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Description (English):

ISO 5673-1:2005 specifies the power take-off (PTO) drive shafts of a tractor or self-propelled machine used in agriculture and the power-input connection (PIC) of its implement, establishing a method for determining PTO static and dynamic torsional strength while giving manufacturing and safety requirements. It is applicable only to those PTO drive shafts and guards mechanically linked to the shaft by at least two bearings. It is not applicable to PTO drive shafts guarded by location or to the mechanical characteristics of overrun devices and torque limiters, nor are environmental aspects considered; neither is it applicable to PTO drive shafts and their guards manufactured before the date of its publication.

Technical details

Technical committee: ISO/TC 23/SC 4 - Tractors
SKU: ISO 5673-1:2005

Abstract

Overview

ISO 5673-1:2005 - "Agricultural tractors and machinery - Power take-off drive shafts and power‑input connection - Part 1: General manufacturing and safety requirements" defines manufacturing and safety requirements for PTO drive shafts and the power‑input connection (PIC) used on tractors and self‑propelled agricultural machines. The standard establishes methods to determine PTO static and dynamic torsional strength, sets requirements for guards, lubrication access, spline and thrust characteristics, and specifies what must appear in manufacturer technical documentation. It applies only to PTO drive shafts and guards mechanically linked to the shaft by at least two bearings and does not cover PTO guards by location, environmental aspects, or retroactive equipment manufactured before publication.

Key topics and technical requirements

Scope & definitions: Terms such as primary/secondary PTO drive shaft, PIC/SPIC, closed/extended length, universal joints, overrun devices and torque limiters are defined for consistent design and testing.
Torsional strength testing:
- Method to determine maximum static torsional load for joints and telescopic members (failure criteria defined by change in torque‑deflection or angular permanent deformation).
- Maximum dynamic torsional load: components must achieve the minimum life declared by the manufacturer under constant torque and angle; journal cross assembly failure rate < 10% (temperature > +120 °C is considered a failure).
Manufacturing requirements:
- Spline dimensions for PTO/PIC yokes in accordance with ISO 500‑3.
- Phasing provisions for telescopic members to ensure correct universal‑joint alignment.
- Lubrication access and lubrication hole maximum dimension (≤ 30 mm) to allow maintenance without compromising guard integrity.
- Locking devices on yokes to prevent axial displacement and resist specified thrust forces (example thrust forces: approx. ±9 kN for

Related standards

Mentioned in the description and other ISO standards

Abstract

Overview

Key topics and technical requirements

Scope & definitions: Terms such as primary/secondary PTO drive shaft, PIC/SPIC, closed/extended length, universal joints, overrun devices and torque limiters are defined for consistent design and testing.
Torsional strength testing:
- Method to determine maximum static torsional load for joints and telescopic members (failure criteria defined by change in torque‑deflection or angular permanent deformation).
- Maximum dynamic torsional load: components must achieve the minimum life declared by the manufacturer under constant torque and angle; journal cross assembly failure rate < 10% (temperature > +120 °C is considered a failure).
Manufacturing requirements:
- Spline dimensions for PTO/PIC yokes in accordance with ISO 500‑3.
- Phasing provisions for telescopic members to ensure correct universal‑joint alignment.
- Lubrication access and lubrication hole maximum dimension (≤ 30 mm) to allow maintenance without compromising guard integrity.
- Locking devices on yokes to prevent axial displacement and resist specified thrust forces (example thrust forces: approx. ±9 kN for

ISO 5673-1:2005 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Related standards

Abstract

Overview

Key topics and technical requirements

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