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What is a 'Da Gao Yi' vehicle?

1 Answers

DiLuke

07/29/25 5:50pm

It refers to a large high-level Class 1 passenger coach. Highway passenger vehicles are classified into high-grade, medium-grade, and ordinary-grade according to relevant regulations. The high-level Class 1 coach is the lowest-grade model among high-grade passenger vehicles. Compared with other high-grade coaches, large and medium-sized high-level Class 1 coaches have identical requirements for service facilities except that they may not be equipped with toilets. More relevant information is as follows: 1. Large high-level Class 1 (seated) is a classification of car seat tickets: high-level Class 3 is the best, high-level Class 1 is the worst, and high-level Class 3 is the most spacious. According to the value and comfort level of the coach, large seated coaches are divided into five grades: high-level Class 3, high-level Class 2, high-level Class 1, medium-grade, and ordinary-grade. Coaches are divided into seated coaches and sleeper coaches according to the mode of seating. Seated coaches are divided into large, medium, and small types according to the number of passenger seats. 2. Front and rear suspension: The front and rear suspension of a large high-level Class 1 coach must at least be a combination of independent front suspension and rear suspension with fewer leaf springs (less than 4 pieces), or a combination of all air suspension or air suspension with leaf springs. The power-to-weight ratio must be greater than 13.5 kW/t, and the per capita luggage compartment volume must also meet the specified standards to ensure the dynamic performance, safety, and comfort of high-level Class 1 highway operation coaches.

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