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Reliability development in strict accordance with FEV's mechanical development programs
Passed the road adaptability test of about 3 million km (including high-temperature test, alpine-cold test and plateau test)
Passed the rigorous reliability bench test of about 30,000 hours
Increase of maximum torque by 15% compared with competitors
Higher torque at 1,000 rpm than competitors by 30%
Great advantages in economy in medium and high load areas and medium and high speed areas
In-depth combustion development based on calculation and matching of key parts, achieving a minimum fuel consumption of 197 g/kW·h, which is 2 g/kW·h lower than competitors
Road spectrum collection and fine calibration according to market segment and applications, ensuring fuel economy
Application of a two-valve structure and Yuchai's patented combustion technology, effectively reducing fuel consumption
Wider speed range for economical fuel consumption than competitors
Optimized camshaft and bushing, and noise-reduction valve mechanism
Optimized noise-reduction oil pan noise, and high-precision gear
Application of pilot injection control, intelligent idle speed control and other electronic control technologies, effectively reducing engine vibration and noise
| Product Series | 4E-33 | 4E-30 | ||||
| Model Series | YC4E135-33 | YC4E140-33 | YC4E160-33 | YC4E140-32 | YC4E140-30 | YC4E160-30 |
| Displacement (L) | 4.26 | |||||
| Bore × Stroke | 110×112 | |||||
| Number of Valves per Cylinder | 2 | 4 | ||||
| Emissions | Euro II | Euro III | ||||
| Power (kw/rpm) | 100/2800 | 103/2800 | 118/2600 | 103/2600 | 105/2500 | 118/2500 |
| Torque (N.m/rpm) | 390/1300~1700 | 430/1300~1700 | 520/1300~1700 | 430/≤1600 | 500/≤1600 | 600/≤1600 |
| Fuel System | In-line mechanical pump | BOSCH high pressure common rail system | ||||
| Exhaust Aftertreatment | No | No | ||||
| Dry Weight (kg) | 430 | |||||
| Oil Change Cycle | 20,000 (standard) | |||||
| B10 Service Life (10,000 km) | 50 | |||||
