YC4F/4FA Series Bus

Yuchai engine YC4F/4FA Series Bus

Engine Application Bus	Engine Category Yuchai

Description
Inquiry Form

The YC4F/4FA series engine is used in buses, which is developed based on the FEV and Japanese technology platform and has the following features and benefits. Firstly, wet sleeve liners design can ensure longer performance life. Secondly, it has an intelligent electronic control system with complete functions. Thirdly, pulse turbo system can enhance responsiveness and providing prompt boost across the operating range. Finally, the dual-balance shaft unit of YC4F/4FA series engine is optional.

Engine Model	YC4F90-21	YC4F100-20	YC4F115-20	YC4F90-23
Configuration	Vertical, in-line, 4 stroke,water-cooled
Bore ×Stroke (mm)	92×100
Number of cylinders	4
Displacement (L)	2.66
Aspiration	Turbocharged, inter-cooled
Fuel System	PL pump
Rated Power /Speed (kW/r/min)	66/3200	75/3200	85/3200	65/3400
Peak Torque/Speed (N.m/r/min)	220/1900-2200	245/1900-2200	300/1900-2200	220/1900-2200
Min. fuel consumption with full load (g/kW.h)	≤205
Noise (ISO 3744) dB(A)	≤95
Emission	Euro 2
Dry Weight (kg)	320
Application	5-6m mini buses, pickup trucks

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