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Products & solutions Power System Bus Engine
  • 概述
  • 优势参数
  • 应用场景
  • 技术参数
YC6A
Diesel Engine
240~290Hp Power Coverage
Adapted Models：11-13.7m road buses, sightseeing buses, public buses, double-deck buses and BRT buses
classic Yuchai medium-duty engine
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Product Advantages
Reliability

Global supply chain, achieving international quality level

Bosch common rail system, ensuring high durability and reliability

Use of a high-strength cylinder block and an integral cylinder head, ensuring higher strength and stability

Use of a double-grid connecting rod bearing bush with higher bearing capacity, achieving stronger explosion pressure resistance and more reliable operation

Good environmental adaptability, with the adaptive temperature range of -30°C~40°C

Efficient

Maximum torque: 1,150 N.m; torque reserve coefficient: 1.3

Focus on low-speed performance, ensuring better low-speed dynamic responsiveness and higher gradeability

BOSCH common rail system, ensuring more accurate injection and high injection pressure (up to 1,600 bar), thus greatly reducing fuel consumption

Application of a four-valve structure, increasing air intake and reducing fuel consumption

Application of Yuchai's patented open combustion chamber technology, achieving lower fuel consumption

Fuel economy

BOSCH common rail system, ensuring more accurate injection and high injection pressure (up to 1,600 bar), thus greatly reducing fuel consumption

Application of a four-valve structure, increasing air intake and reducing fuel consumption

Application of Yuchai's patented open combustion chamber technology, achieving lower fuel consumption

Comfort

Use of Bosch common rail system, achieving multiple fuel injections and mild combustion

Application of Yuchai's patented grooved cylinder head cover and noise-reduction cylinder head cover gasket, effectively reducing noise transmission

Application Scenarios
Technical Parameters
Product Series6A-336A-50
Model SeriesYC6A240-33YC6A260-33YC6A240-50YC6A270-50YC6A290-50
Displacement (L)7.267.53
Bore × Stroke108×132110×132
Number of Valves per Cylinder24
EmissionsEuro IIEuro Ⅴ
Power (kw/rpm)177/2300191/2300177/2300199/2300213/2300
Torque (N.m/rpm)900/1400~16001000/1400~16001000/1200~18001100/1200~18001150/1200~1800
Fuel SystemIn-line mechanical pumpBOSCH high pressure common rail system
Exhaust AftertreatmentNoSCR
Dry Weight (kg)750
Oil Change Cycle20,000 (standard)
B10 Service Life (10,000 km)70
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We have established a marketing management system that integrates product sales, application development, after-sales service, and spare parts sales. We own the largest service network, the biggest number of service outlets, the smallest service radius, the longest mileage under warranty services of repair, replacement and refund, and the shortest response time in the industry.
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We have established 19 vehicle engine regions, 12 general-purpose engine regions, 11 marine & G-drive engine regions and 29 after-market offices, more than 3,000 service stations, and more than 5,000 spare parts sales outlets in China. With 13 offices, 224 service agents and 460 service outlets at abroad, we are able to provide international warranty service.
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