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This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by China Machinery Industry Federation.
This standard is under the jurisdiction of the National Technical Committee on Earth-moving Machine of Standardization Administration of China (SAC/TC 334).
Earth-moving Machinery - Wheeled Loader - Technical Specifications
1 Scope
This standard specifies the terms and definitions, model, requirements, test methods, inspection rules, as well as marking, packaging, transportation and storage of wheeled loader.
This standard is applicable to wheeled loader specified in GB/T 8498 (hereinafter referred to as loader), and can be used as a reference for other types of loaders.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 3766 Hydraulic Fluid Power - General Rules Relating to Systems
GB/T 8419 Earth-moving Machinery - Laboratory Evaluation of Operator Seat Vibration
GB/T 8498 Earth-moving Machinery - Basic Type - Identification and Terms and Definitions
GB/T 14039-2002 Hydraulic Fluid Power - Fluids - Method for Coding the Level of Contamination by Solid Particles
GB 16710 Earth-moving Machinery - Noise Limit
GB/T 18826 1,1,1,2-Tetrafluoroethane (HFC-134a) for industrial Use
GB 20178 Earth-moving Machinery - Machine Safety Labels - General Principles
GB 20891 Limits and Measurement Methods for Exhaust Pollutants from Diesel Engines of Non-road Mobile Machinery (China III, IV)
GB/T 21942 Earth-moving Machinery - Loader and Front Loading Excavator Buckets - Volumetric Ratings
GB/T 22358 Earth-moving Machinery - Preservation and Storage
GB/T 25602 Earth-moving Machinery - Machine Availability - Vocabulary
GB/T 25604 Earth-moving Machinery - Loaders - Terminology and Commercial Specifications
GB/T 25606 Earth-moving Machinery - Product Identification Numbering System
GB/T 25622 Earth-moving Machinery - Operators Manual - Content and Format
GB 25684.1-2010 Earth-moving Machinery - Safety - Part 1: General Requirements
GB 25684.3-2010 Earth-moving Machinery - Safety - Part 3: Requirements for Loaders
GB/T 28239 Limits and Measurement Methods for Non-road Diesel Engine Specific Fuel Consumption and Specific Oil Consumption
GB/T 35198-2017 Earth-moving Machinery - Wheeled Loader - Test Methods
JB/T 5943 Engineering Machinery - General Technical Specifications for Weldments
JB/T 5945 Engineering Machinery - General Technical Specifications for Assembly
JB/T 5946 Engineering Machinery - General Technical Specifications for Coating
JB/T 5947 Engineering Machinery - General Technical Specifications for Packaging
JB/T 9725 Construction Machinery and Equipment - Methodology to Formulate Model Numbers
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 8498, GB/T 25602 and GB/T 25604 apply.
4 Model
The product model of the loader shall meet the requirements of JB/T 9725 or be determined by the manufacturer.
5 Requirements
5.1 General requirements
5.1.1 The loader shall be capable of normal operation under such ambient conditions that the ambient temperature is -15℃ ~ +40℃ and the altitude is not greater than 2000m.
5.1.2 The construction of the loader should consider the possibility of replacement of various working devices or accessory devices.
5.1.3 The assembly quality of the loader shall meet the requirements of JB/T 5945.
5.1.4 The coating quality of the loader shall meet the requirements of JB/T 5946.
5.1.5 The operator manual of the loader shall meet the requirements of GB/T 25622.
5.1.6 The capacity of the fuel tank for the loader shall ensure no less than 10h of continuous operation under normal operating conditions.
5.1.7 The calibration of the loader bucket capacity shall meet the requirements of GB/T 21942.
5.1.8 See Annex A for a list of basic parameters of the loader.
5.1.9 The special requirements of the loader (if any) can be determined by the supplier and the purchaser through consultation.
5.2 Performance requirements
5.2.1 The hydraulic system of the loader shall meet the requirements of GB/T 3766. The maximum temperature rise and maximum temperature of the hydraulic oil shall be within the allowable range for normal working of the loader.
5.2.2 The solid particle pollution level in the hydraulic oil of the loader hydraulic system shall not exceed the code in GB/T 14039-2002 as specified in Table 1.
Table 1 Solid Particle Pollution Level in Hydraulic Oil of Loader Hydraulic System
Gear pump system Piston pump system Vane pump system
-/19/16 -/18/15 -/17/14
5.2.3 The code for solid particle pollution level in the oil of the loader torque converter and transmission system shall not exceed -/20/17 specified in GB/T 14039-2002.
5.2.4 During the entire delivery inspection or type inspection (excluding reliability test) , the complete machine shall be free from oil and water leakage.
5.2.5 The settlement of hydraulic cylinder of the loader shall meet the requirements of Table 2.
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Model
5 Requirements
6 Test Methods
7 Inspection Rules
8 Marking, Packaging, Transportation and Storage
Annex A (Informative) List of Basic Parameters of the Loader
