
Product Introduction
The YUCHAI YC6A diesel engine assembly is a mature and reliable heavy-duty powertrain widely used in commercial trucks, buses, construction vehicles, and industrial equipment applications. Manufactured according to OEM standards, the YC6A engine delivers stable power output, strong torque performance, and excellent fuel efficiency for medium and heavy-duty transportation operations.
Featuring an inline 6-cylinder design, turbocharged intercooling technology, and advanced Bosch high-pressure common rail fuel injection system, the YC6A engine ensures efficient combustion performance, reduced fuel consumption, and stable operation under demanding working conditions. The high-strength alloy cylinder block and reinforced internal structure provide excellent durability and long service life for continuous commercial use.
The YC6A engine is widely used in logistics transportation, passenger buses, engineering vehicles, and fleet maintenance applications. It is suitable for aftermarket replacement, engine rebuilding, wholesale truck spare parts distribution, and professional repair services.
Each engine assembly undergoes comprehensive factory inspection and operational testing before shipment to ensure reliable quality, stable performance, and dependable durability for global commercial vehicle customers.
Technical Specifications
| Item | Specification | Item | Specification | Item | Specification |
| Product Name | Diesel Engine Assembly | Model | YC6A | Brand | YUCHAI |
| Engine Type | Inline 6-Cylinder Diesel Engine | Fuel Type | Diesel | Displacement | 7.25L-7.53L |
| Aspiration | Turbocharged & Intercooled | Fuel Injection System | Bosch High Pressure Common Rail | Cooling System | Water Cooled |
| Emission Standard | Euro II / III / IV / V Available | Power Range | 240-305 HP Available | Max Torque | Up to 1150 Nm |
| Bore × Stroke | 108×132 mm / 110×132 mm | Valve Structure | 2 / 4 Valves Per Cylinder | Rated Speed | 2300 RPM |
| Starting System | Electric Start | OEM Standard | Yes | Application | Heavy Duty Trucks & Buses |
| Condition | New / Remanufactured | Quality Test | 100% Tested Before Delivery | Availability | In Stock / Available Upon Request |
| Packaging | Export Standard Packaging | Origin | China | Technology | Electronic Common Rail System |
Vehicle Fitment
| Vehicle Brand | Compatible Models | Engine Models |
| KING LONG | XMQ Series Buses | YC6A |
| YUTONG | ZK Series Buses | YC6A |
| HIGER | KLQ Series Buses | YC6A |
| DONGFENG | Tianjin, Commercial Bus Series | YC6A Compatible Applications |
| FAW JIEFANG | Medium Duty Truck Series | YC6A Compatible Applications |
| FOTON | Bus & Medium Truck Series | YC6A Compatible Applications |
| CAMC | Medium Duty Commercial Vehicles | YC6A Compatible Applications |
Payment & Shipping
| Category | Options |
| Payment Methods | T/T (Bank Transfer), PayPal, Western Union, MoneyGram, Visa, MasterCard, L/C (Letter of Credit), Alibaba Trade Assurance |
| Express Shipping | DHL, FedEx, UPS, TNT |
| Freight Shipping | Air Freight, Sea Freight, Railway Freight |
| Delivery Time | Express: 3-7 Working Days; Air Freight: 7-15 Days; Sea Freight: 20-45 Days |
| Shipping Coverage | Worldwide Shipping Available |
| Trade Terms | EXW, FOB, CFR, CIF, DDP |
