Standard No.:	JT/T 325-2018/XG1-2020
English Name:	Type dividing and class rating for commercial motor-vehicles of passenger transport, includes Amendment 1
Chinese Name:	《营运客车类型划分及等级评定》行业标准第1号修改单
Chinese Classification:	P16    Engineering fire protection
Professional Classification:	JT    Professional Standard - Transport
ICS Classification:	03.220.20 03.220.20    Road transport 03.220.20
Source Content Issued by:	Ministry of Transport
Issued on:	2020-02-28
Implemented on:	2020-2-28
Status:	valid
Superseding:	JT/T 325-2018 Type dividing and class rating for commercial motor-vehicles of passenger transport
Target Language:	English
File Format:	PDF
Word Count:	9500 words
Translation Price(USD):	285.0
Delivery:	via email in 1 business day

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces JT/T 325-2013 Type dividing and class rating for commercial motor-vehicles of passenger transport. In addition to editorial changes, the following main technical changes have been made with respect to JT/T 325-2013: ——The scope has been modified (see Clause 1 herein; Clause 1 of 2013 edition); ——The definition of the term "commercial motor-vehicles of passenger transport" has been modified (see 3.1 herein; 3.1 of 2013 edition); ——The terms and definition of "bus" and "passenger car" have been added (see 3.1.1 and 3.1.2); ——The scope of mini-size vehicle has been modified (see Table 1 herein; Table 1 of 2013 edition); ——The classification of passenger car has been modified (see Table 2 herein; Table 2 of 2013 edition); ——The rating contents of passenger car have been modified (see 6.2 herein; 6.2 of 2013 edition); ——The requirements for passenger car have been added (see 7.3.4); ——The requirements for warranty period of commercial motor-vehicles of passenger transport have been deleted (see 8.1.1 of 2013 edition); ——The requirements for the discharge of engine have been deleted (see 8.1.2 of 2013 edition); ——The requirements for safety performance of bus have been added (see 8.1.2); ——The requirements for bus driving areas have been added (see 8.1.4); ——The requirements for safety marks of buses have been added (see 8.1.5); ——The requirements that buses shall indicate the quantity of seats have been added (see 8.1.6); ——The requirements for air quality of bus have been added (see 8.1.7); ——The requirements for the air pressure of bus brake air reservoir have been added (see 8.1.12); ——The requirements for bus emergency hammer have been added (see 8.1.13); ——The requirements for configuring emergency hammers and automatic glass breaking devices near the emergency windows of buses have been added (see 8.1.14); ——The requirements for roof escape hatch on bus have been added (see 8.1.15); ——The reference standards for flame-retardant requirements of non-metallic materials have been modified (see 8.1.17 herein; 8.1.9 of 2013 edition); ——The requirements for parking wedge have been added (see 8.1.19); ——The requirements for emergency exit have been modified (see 8.1.24 herein; 8.1.18 of 2013 edition); ——The requirements for the measurement of the bus seats have been added (see 8.1.26); ——The requirements for buses to be equipped with fire extinguishing devices have been added (see 8.1.27); ——The requirements for installing fire extinguishing devices in power battery boxes of pure electric buses and hybrid power buses have been added (see 8.1.28); ——The requirements for driving range of hybrid power buses and pure electric buses have been added (see 8.1.29); ——The requirements for the total mass of power battery system of pure electric bus have been added (see 8.1.30); ——The requirements for external roof luggage racks have been added (see 8.1.31); ——The requirements for the structure and quantity of passenger doors have been added (see Table 3); ——The requirements for the evacuation door have been added (see Table 3); ——The requirements for push-out emergency window have been added (see Table 3); ——The requirements for roof escape hatch have been added (see Table 3); ——The requirements for advanced emergency braking system (AEBS) have been added (see Table 3); ——The requirements for lane departure warning system (LDWS) have been added (see Table 3); ——The requirements for electronic stability controller (ESC) have been added (see Table 3); ——The requirements for tire blow-out emergency safety device have been added (see Table 3); ——The requirements for radial tire have been deleted (Table 4 of 2013 edition); ——The requirements for tire pressure monitoring and alarm system (only for single-tire wheels) have been modified (see Table 3 herein; Table 4 of 2013 edition); ——The requirements for tubeless radial tires have been modified (see Table 3 herein; Table 4 of 2013 edition); ——The requirements for front and rear disc brakes have been modified (see Table 3 herein; Table 4 of 2013 edition); ——The requirements for ABS (Class I) have been modified (see Table 3 herein; Table 4 of 2013 edition); ——The requirements for air purification equipment (not less than 10 m3/h per capita) have been modified (see Table 3 herein; Table 4 of 2013 edition); ——The requirements for CAN bus have been modified (see Table 3 herein; Table 4 of 2013 edition); ——The requirements for bus internal noise have been modified (see 8.2.1 herein; 8.2.1 of 2013 edition); ——The requirements for passenger quantity of sleeper bus have been added (see 8.2.2.2); ——The necessary conditions for class rating of extra-large double-deck highway buses have been deleted (see 8.2.3 of 2013 edition); ——The necessary conditions of rating for passenger car have been modified (see Table 6 herein; Table 7 of 2013 edition). This standard is proposed by the Transportation Services Department of the Ministry of Transport. This standard is under the jurisdiction of the Subcommittee on Bus of National Technical Committee on Automobiles of Standardization Administration of China (SAC/TC 114/SC 22). The previous editions of this standard are as follows: ——JT/T 325-1997, JT/T 325-2002, JT/T 325-2004, JT/T 325-2006, JT/T 325-2010 and JT/T 325-2013. Type dividing and class rating for commercial motor-vehicles of passenger transport 1 Scope This standard specifies the types of and class rating for commercial motor-vehicles of passenger transport, as well as the contents, rules and requirements of class rating. This standard is applicable to the class rating for the buses and passenger cars used for passenger transportation on operational road, including Category M2, Class B of Category M3, and Class III. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated reference, only the edition cited applies. For undated references, the latest edition (including any amendment) applies. GB 7258 Technical specifications for safety of power driven vehicles operating on roads GB 13094 The safety requirements for bus construction GB/T 13594 Antilock braking performance and test procedure for motor vehicles and their trailers GB/T 16887 Safety requirements for sleeper bus construction GB/T 17729 Hygienic standard for the air quality inside long distance coach GB 18565 Composite performance requirement and detecting methods for road transport vehicles GB 19239 Mounting requirements for liquefied natural gas vehicle special equipment GB/T 20734 Mounting requirements for liquefied natural gas vehicle special equipment GB/T 23334 Open-type roof escape hatch on bus GB 30678 Safety signs and information symbols for the use of bus GB 34655 Specifications for extinguishing equipment arrangement in bus JT/T 198 Dividing and rating requirements for technical classification of road transport vehicles JT/T 711 Limits and measurement methods of fuel consumption for commercial vehicle for passenger transportation JT/T 782 Technical requirements of tyre failure emergency safety device for bus JT/T 1030 Bus electromagnetic glass breaker JT/T 1094 Safety specifications for commercial bus JT/T 1095 Flame resistance of commercial bus interior materials QC/T 476 Rain proof performance limit and test method for bus QC/T 633 The seats of passenger vehicles QC/T 768 Coach flush toilet QC/T 997 Structural requirements of integral body for buses QC/T 1048 Bus emergency hammer 3 Terms and definitions For the purpose of this document, the following terms and definitions apply. 3.1 commercial motor-vehicles of passenger transport vehicles used for passenger transportation on operational road, including buses and passenger cars 3.1.1 bus buses used for passenger transportation on operational road, including Category M2, Class B of Category M3, and Class III 3.1.2 passenger car vehicles used for passenger transportation on operational road, with a maximum of nine seats (including the driver's seat), which are designed and manufactured primarily for carrying passengers as well as their carry-on baggage and/or temporary items [GB 7258-2017, 3.2.1.1] 3.2 passenger space area for passengers, i.e., the driving area and passenger area [GB/T 4780-2000, 3.23] 4 Type dividing 4.1 The commercial motor-vehicles of passenger transport are divided into two categories: buses and passenger cars. 4.2 Buses are divided into four types according to their length, including extra-large, large, medium and mini-size, as shown in Table 1. Table 1 Type dividing m Type Extra-large a Large Medium Mini-size Vehicle length L 12 < L ≤ 13.7 9 < L ≤ 12 6 < L ≤ 12 L ≤ 6 a Three-axle bus 4.3 Type dividing is not required for passenger car. 5 Class rating See Table 2 for class rating. Table 2 Class rating Type Bus Passenger car Extra-large Large Medium Mini-size Class High level (III) High level (II) High level (I) Intermediate Ordinary High level (III) High level (II) High level (I) Intermediate Ordinary High level (II) High level (I) Intermediate Ordinary High level (II) High level (I) Intermediate Ordinary High level Intermediate Ordinary 6 Content of class rating 6.1 The main contents of class rating for bus include: bus construction, chassis, configuration, active safety, power performance, bus internal noise and air conditioning and control, etc. 6.2 The main contents of class rating for passenger car include: wheelbase, configuration, power performance, air conditioning and control, fire extinguisher, satellite positioning system, etc. 7 Rules for class rating 7.1 Necessary conditions All the rating indexes specified in Clause 8 is necessary conditions. 7.2 Class rating for new commercial motor-vehicles of passenger transport The new commercial motor-vehicles of passenger transport refer to the new product developed by the production enterprise or the imported vehicles, on the basis of the technical documents (import inspection documents) and the real vehicle inspection results, the class rating shall be conducted in accordance with Clause 8. 7.3 Class verification of commercial motor-vehicles of passenger transport in use 7.3.1 Buses that meet the relevant regulations of GB 18565 after inspection and testing are capable of conducting the corresponding class verification. 7.3.2 Buses that meet the relevant regulations for Class I vehicles in GB 18565 after inspection and testing are capable of conducting the corresponding high level bus verification. 7.3.3 According to the requirements of 7.3.1 and 7.3.2, inspect the real vehicle inspection results of existing technical classes and facilities of vehicles in accordance with the regulations of Clause 8, and conduct class verification. 7.3.4 Passenger cars shall comply with the requirements of GB 7258. 7.3.5 The rated commercial motor-vehicles of passenger transport in use shall be re-rated at the time of ownership transfer.

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Type dividing 5 Class rating 6 Content of class rating 7 Rules for class rating 8 Requirements for class rating