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GB 18447-2025 English PDF

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GB 18447-2025: Safety technical specifications for tractors
Status: Valid

GB 18447: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB 18447-2025English569 Add to Cart 5 days [Need to translate] Safety technical specifications for tractors Valid GB 18447-2025
GB 18447.1-2008English189 Add to Cart 3 days [Need to translate] Safety requirements for tractors -- Part 1: Wheeled tractors Valid GB 18447.1-2008
GB 18447.1-2001English199 Add to Cart 2 days [Need to translate] Safety requirements for agricultural wheeled and crawler tractors Obsolete GB 18447.1-2001

PDF similar to GB 18447-2025


Standard similar to GB 18447-2025

GB/T 3871.9   GB/T 3871.6   GB/T 3871.3   GB/T 15370.2   GB 18447.4   GB 18447.2   

Basic data

Standard ID GB 18447-2025 (GB18447-2025)
Description (Translated English) Safety technical specifications for tractors
Sector / Industry National Standard
Classification of Chinese Standard T61
Classification of International Standard 65.060.10
Word Count Estimation 28,228
Date of Issue 2025-06-30
Date of Implementation 2026-07-01
Older Standard (superseded by this standard) GB 18447.1-2008, GB 18447.2-2008, GB 18447.3-2008, GB 18447.4-2008
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB 18447-2025: Safety technical specifications for tractors

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ICS 65.060.10 CCST61 National Standard of the People's Republic of China Replace GB 18447.1-2008, GB 18447.2-2008, GB 18447.3-2008, GB 18447.4-2008 Tractor Safety Technical Specifications Released on June 30, 2025 Implementation on July 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III Introduction V 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 General Requirements 3 5 Safety requirements and/or measures for wheeled tractors and crawler tractors 3 5.1 Noise 3 5.2 Vibration 3 5.3 Braking performance 3 5.4 Controls 4 5.5 Operator working position 5 5.6 Power take-off shaft 12 5.7 Strength requirements for protective devices 12 5.8 Electrical equipment, lighting and signaling devices 12 5.9 Hydraulic System 13 5.10 Counterweight 13 5.11 Protection of moving parts 13 5.12 Fuel System 14 5.13 Rollover protection device 14 5.14 Falling Object Guard 14 5.15 Hot Surface 15 5.16 Exhaust System 15 5.17 Turn to 15 5.18 Glass 15 5.19 wheel rim 15 5.20 Pest protection devices 15 5.21 Electronic Control System 15 6 Safety requirements and/or measures for walking tractors 16 6.1 Noise 16 6.2 Braking Performance 16 6.3 Control device 16 6.4 Lighting and signaling devices 17 6.5 Fuel System 17 6.6 Hot Surfaces 17 6.7 Exhaust pipe 17 6.8 Protection of moving parts 17 7 Usage Information17 7.1 User Manual 17 7.2 Safety signs and instruction signs 18 7.3 Signage 18 7.4 No. 19 7.5 Factory Certificate 19 Appendix A (Normative) Protective device strength test 20 A.1 Test equipment 20 A.2 Test procedure 20 A.3 Test acceptance criteria 20 Reference 21 Figure 1 Clearance around the manual operating device 4 Figure 2 Dimensions of ladder for access to operator's work position 6 Figure 3 Dimensions of a ladder with one-leg access to the operator's work position 6 Figure 4 Steps leading to the operator's working position on a crawler tractor Figure 5 Minimum space dimensions for working locations 9 Figure 6 The operator's hand reach range 10 Figure 7 Hand reach for operators of narrow wheelbase and small tractors11 Figure 8 Three-point suspension device 14 Figure A.1 Example of test pad for protective device 20 Table 1 Spatial dimensions of working position of tractors with minimum wheelbase (track gauge) greater than 1150 mm Table 2 Minimum dimensions of working space for narrow wheelbase and small tractors10 Preface This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces GB 18447.1-2008 "Safety requirements for tractors Part 1.Wheeled tractors", GB 18447.2-2008 Safety requirements for tractors Part 2.Walking tractors, GB 18447.3-2008 Safety requirements for tractors Part 3.Tracks Tractors" and GB 18447.4-2008 "Safety requirements for tractors Part 4.Belt-driven wheeled tractors", which are similar to the above standards In addition to structural adjustments and editorial changes, the main technical changes are as follows. a) Deleted the “Hazard List” (see GB 18447.1-2008, GB 18447.2-2008, GB 18447.3-2008 and Chapter 3 of GB 18447.4-2008); b) Added “General Requirements” (see Chapter 4); c) Added the requirements for the combined weighted acceleration limit of whole body vibration for drivers of belt-driven wheeled tractors, and added the requirements for the combined weighted acceleration limit of whole body vibration for drivers of garden tractors, Travel speed requirements for row-till tractors and belt-drive tractors during vibration tests (see 5.2); d) Added parking brake and service brake performance requirements for mountain tractors, and parking brake ramps and service brakes for rubber track tractors. Vehicle braking system requirements (see 5.3); e) Deleted the requirement for the maximum opaque exhaust smoke value of tractors (see 4.1.7 of GB 18447.1-2008, GB 18447.3- 2008, 4.1.2 and GB 18447.3-2008, 4.1.7); f) The general requirements for control devices have been modified (see 5.4.1, 4.2.1.2 and 4.5 of GB 18447.1-2008, and GB 18447.3-2008). 4.2.3 and 4.5 of GB 18447.4-2008, 4.2.1.2 and 4.5 of GB 18447.4-2008); g) Added engine starting requirements (see 5.4.2); h) Added requirements for external control devices of three-point suspension systems (see 5.4.3); i) Added requirements for external control devices of the power take-off shaft (see 5.4.4); j) Changed the requirements for ladders for accessing the operator's working position (see 5.5.1, 4.2.1.2 of GB 18447.1-2008, GB 18447.3- 2008, 4.2.3, GB 18447.4-2008, 4.2.1.2); k) Added requirements for operating space (see 5.5.2); l) The requirements for the operator seat have been changed (see 5.5.3, 4.2.4 of GB 18447.1-2008 and 4.2.4 of GB 18447.4-2008); m) Changed the requirements for passenger seats (see 5.5.4, 4.1.1 of GB 18447.1-2008, 4.1.1 of GB 18447.3-2008, GB 18447.4-2008, 4.1.1); n) Modified the requirements for the burning speed of cab interior materials (see 5.5.5, 4.2.5 of GB 18447.1-2008, GB 18447.3- 2008 (4.2.7); o) Changed the requirements for field of view and rearview mirror (see 5.5.6, 4.1.5, 4.2.6 and 4.4.5 of GB 18447.1-2008, GB/T 18447.3- 2008, 4.1.3 and 4.1.4, GB 18447.4-2008, 4.1.5 and 4.4.5); p) Changed the requirements for power take-off shafts (see 5.6, 4.2.1.1 of GB 18447.1-2008, 4.2.2 of GB 18447.3-2008, GB 18447.4-2008, 4.2.1.1); q) Changed the strength requirements of protective devices (see 5.7, 4.2.1 of GB 18447.1-2008, 4.2.1 of GB 18447.3-2008, GB 18447.4-2008, 4.2.1); r) Changed the requirements for electrical equipment (see 5.8.1, 4.1.4 and 4.2.3 of GB 18447.1-2008, and 4.2.3 of GB 18447.3-2008). 4.1.6 and 4.2.5, 4.1.4 and 4.2.3 of GB 18447.4-2008); s) Changed the requirements for lighting and signaling devices (see 5.8.2, 4.4.1, 4.4.2, 4.4.3 and 4.4.4 of GB 18447.1-2008, 4.4.1, 4.4.2, 4.4.3 and 4.4.4 of GB 18447.3-2008, 4.4.1, 4.4.2, 4.4.3 and 4.4.4 of GB 18447.4-2008 4.4.4); t) Changed the requirements for hydraulic systems (see 5.9, 4.1.3 and 4.1.4 of GB 18447.1-2008, 4.1.5 and 4.1.6, 4.1.3 and 4.1.4 of GB 18447.4-2008); u) Added the requirements for counterweight (see 5.10); v) Changed the protection requirements for moving parts (see 5.11, 4.2.1 of GB 18447.1-2008, 4.2.1 of GB 18447.3-2008, GB 18447.4-2008, 4.2.1); w) Changed the fuel system requirements (see 5.12, 4.1.6 of GB 18447.1-2008, 4.1.7 of GB 18447.3-2008, GB 18447.4-2008, 4.1.6); x) Changed the requirements for rollover protection devices (see 5.13, 4.2.4 of GB 18447.1-2008, 4.2.4); y) Added requirements for falling object protection devices (see 5.14); z) Changed the requirements for hot surfaces (see 5.15, 4.2.2 of GB 18447.1-2008, 4.2.4 of GB 18447.3-2008, GB 18447.4-2008, 4.2.2); aa) The requirements for exhaust systems have been modified (see 5.16, 4.2.2 of GB 18447.1-2008, 4.2.4 of GB 18447.3-2008, GB 18447.4-2008, 4.2.2); bb) Added turning requirements (see 5.17); cc) Changed the requirements for glass (see 5.18, 4.1.5 of GB 18447.1-2008, 4.1.4 of GB 18447.3-2008, GB 18447.4-2008, 4.1.5); dd) The requirements for wheel rims have been changed (see 5.19, 4.1.2 of GB 18447.1-2008, and 4.1.2 of GB 18447.4-2008); ee) Added requirements for pest protection devices (see 5.20); ff) Added requirements for electronic control systems (see 5.21); gg) The requirement for the maximum opaque exhaust smoke density value for walking tractors (see 4.2 of GB 18447.2-2008) has been deleted; hh) Changed the requirements for control devices of walking tractors, added the requirements for the control methods of control devices, and added the requirements for the control methods of walking tractors. Requirements for stopping the rotary tiller when reversing (see 6.3, 4.6 of GB 18447.2-2008); i) The requirements for lighting and signaling devices have been changed (see 6.4 and 4.5 of GB 18447.2-2008); j) The hot surface protection requirements have been changed (see 6.6, 4.1 of GB 18447.2-2008); kk) The protection requirements for moving parts of walking tractors have been modified (see 6.8, 4.1 of GB 18447.2-2008); l) Changed the requirements for information on use (see Chapter 7, GB 18447.1-2008, GB 18447.2-2008, GB 18447.3-2008 and Chapter 5 of GB 18447.4-2008); mm) Added the protective device strength test (see Appendix A); nn) Deleted the test method for the illumination position of the headlamp beam (see GB 18447.1-2008, GB 18447.3-2008 and GB 18447.4- 2008, Appendix A). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the Ministry of Industry and Information Technology of the People's Republic of China. The previous versions of this document and the documents it replaces are as follows. --- First issued as GB 18447.1-2001 in.2001 and first revised in.2008; --- This is the second revision. This revision incorporates GB 18447.2-2008 "Safety requirements for tractors Part 2.Hand-held The previous versions of GB 18447.2-2008 for tractors are as follows. GB 18447.2-2001 was first issued in.2001, GB 18447.3-2008 Safety requirements for tractors Part 3.Crawler tractors (first revised in.2008) The first releases were GB 18447.3-2008 and GB 18447.4-2008 "Safety requirements for tractors - Part 4.Belt drives" Wheeled Tractors” (first published in.2008 as GB 18447.4-2008).

introduction

The structure of the standards for safety in the machinery sector is as follows. a) Category A standards (basic safety standards) provide basic concepts, design principles and general characteristics applicable to all machinery. b) Category B standards (general safety standards) involve a safety feature of machinery or a type of safety device with a wide range of applications. Among them. 1) Category B1, specific safety features (such as safety distance, surface temperature, noise) standards; 2) Category B2, safety device (such as two-hand control device, interlock device, pressure sensitive device, protective device) standard. c) Type C standards (machinery safety standards) specify detailed safety requirements for a specific machine or a group of machines. This document belongs to the Class C standard specified in GB/T 15706. If the provisions of this document differ from those of the Class A or Class B standards, the tractors designed and manufactured in accordance with the provisions of this Class C standard shall be If the machine is pulled, the provisions of this document shall take precedence. Tractor Safety Technical Specifications 1 Scope This document specifies the safety requirements and/or measures for the design and manufacture of tractors, and the safety operation (including residual risks) provided by the manufacturer. Information type, describing the corresponding test verification method. This document applies to tractors used in our country. 2 Normative references The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 1592.1 Rear power take-off shafts for agricultural tractors, types 1, 2, 3 and 4 - Part 1.General requirements, safety requirements, protection Cover size and clearance range GB/T 1592.2 Rear power take-off shafts for agricultural tractors, types 1, 2, 3 and 4 - Part 2.Dimensions of protective covers for narrow-track tractors and gap range GB/T 3871.6 Agricultural tractor test procedures Part 6.Determination of braking performance of agricultural and forestry vehicles GB/T 3871.7 Agricultural tractor test procedures Part 7.Driver's front field of view GB/T 4269.1 Symbols for operator controls and other display devices on tractors and machinery for agriculture and forestry, and lawn and gardening power machinery Part 1.General symbols GB/T 4269.2 Symbols for operator controls and other display devices on agricultural and forestry tractors and machinery, and lawn and garden power machinery Part 2.Symbols for agricultural tractors and machinery GB/T 6229 Test methods for walking tractors GB/T 6236 Driver's seat markings for agricultural and forestry tractors and machinery GB 6376 Noise Limits for Tractors GB/T 6960 (all parts) Tractor Terminology GB/T 7939.3 Hydraulic transmission connection test methods Part 3.Hose assemblies GB/T 9480-2001 Rules for the preparation of instruction manuals for agricultural and forestry tractors and machinery, and lawn and gardening power machinery GB 9656 Technical Specification for Safety of Motor Vehicle Glass GB 10396 General rules for safety signs and hazard pictograms for agricultural and forestry tractors and machinery, and lawn and gardening powered machinery GB/T 10910 Measurement of whole-body vibration for drivers of agricultural wheeled tractors and field machinery GB/T 10916.1 Agricultural tractor front devices Part 1.Safety requirements and clearance ranges for power take-off shafts GB/T 12265-2021 Mechanical safety Minimum distance to prevent crushing of human body parts GB/T 13876 Evaluation criteria for whole-body vibration of agricultural wheeled tractor drivers GB 14166 Safety belts and restraint systems for motor vehicle occupants GB/T 14785 Agricultural and forestry tractor and machinery wheels side load fatigue test method GB/T 14786 Test method for torsional fatigue of drive wheels of agricultural and forestry tractors and machinery GB/T 15706-2012 General principles for safety design of machinery - Risk assessment and risk reduction GB 18384-2020 Safety Requirements for Electric Vehicles

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