YC4EA Series Bus

Yuchai engine YC4EA Series Bus

Engine Application Bus	Engine Category Yuchai

Description
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The YC4EA series engine is used in buses, which has developed and designed unparalleled integrated functions on a technology platform based on Germany and Japan. Firstly, one-piece cylinder head and wet sleeve liners can extend the service life. Secondly, turbocharger system can enhance the response and performance life, providing prompt boost across the operating range. Thirdly, the fast start at low speed and excellent gradeability can ensure that the vehicle deliver unmatched performance. Besides, point-line meshing gear drive can bring you the best ride comfort, while reducing noise and vibration. Finally, the dual-balance shaft unit of YC4EA series engine is optional.

Technical Specifications

Engine Model	YC4FA90-30	YC4FA100-30	YC4FA115-30	YC4FA120-30
Configuration	Vertical, in-line, 4 stroke, water-cooled, direct injection
Number of Cylinders	4
Displacement (L)
Aspiration	Turbocharged, inter-cooled
Fuel System	BOSCH
Rated Power /Speed(kW/r/min)	66/3200	75/3200	85/3200	88/2800
Peak Torque/Speed (N.m/r/min)	220/1600～2400	270/1600～2400	300/1600～2400	345/1400～1800
Min. fuel consumption with full load (g/kW.h)	≤203
Noise（ISO 3744）dB(A)	≤95
Emissions	Euro 3
Dry Weight（kg）	300
Application	3.5-6T light-duty trucks

Engine Model	YC4E140-42	YC4E140-42	YC4E160-42
Configuration	Vertical, in-line, 4 stroke, water-cooled, direct injection
Number of Cylinders	4
Bore × Stroke (mm)	110×112
Displacement (L)	4.26
Aspiration	Turbocharged, inter-cooled
Rated Power /Speed (kW/r/min)	103/2600	103/2600	118/2600
Peak Torque/Speed (N.m/r/min)	430/1300~1600	500/1300~1600	550/1300~1600
System	BOSCH+SCR
Min. fuel consumption with full load (g/kW.h)	≤198
Noise (ISO 3744) dB(A)	≤97
Emissions	Euro 4
Dry Weight (kg)	380
Application	4×2 dumper trucks; 4×2/6×2 on-road trucks;