Medium Heavy Duty Freight Truck Diesel Engine

1. Overview The D45 series diesel engine is a four-cylinder power unit developed by Yunnei Power for commercial vehicles and construction machinery. It includes two models: D45TCIF and D45TCIE (Export Model). With a bore × stroke of 107×124 mm and a displacement of 4.461 L, the D45 series delivers a balance of robust power and excellent fuel efficiency.   2. Key Features & Advantages The D45 engine integrates advanced technologies to meet diverse operational demands.   Fuel Efficient & Environmentally Friendly: It adopts a new-generation oil mist mixing technology and a 2000 bar high-pressure common rail fuel system. Emissions meet China Stage VI standard (D45TCIF) and China V / Euro I, II, III, V (D45TCIE).   Strong Power: Features a centrally located injector, dual tangential intake passages, and turbocharged intercooling, providing large torque reserve and strong load capacity.   Reliable & Durable: Built with a high-strength alloy cast iron engine block, dual-layer wat…