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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) and the reliability bench test of about 30,000 hours
Use of a high-strength open cylinder block and an integral cylinder head, ensuring higher strength and stability
Application of an advanced high pressure common rail (HPCR) fuel system and Yuchai's patented in-cylinder combustion technology, effectively improving the engine power and torque, and maximizing the load-carrying capacity of vehicles
Application of Yuchai's patented open combustion chamber, unique in-cylinder combustion optimization technology and HPCR technology, effectively reducing fuel consumption
Road spectrum collection and fine calibration according to market segment and applications, ensuring fuel economy
Reduction soft meshing starter, ensuring smooth start
Damping silicone oil damper
Application of pilot injection technology, reducing the noise by 2 dB
| Product Series | 4D-33 | 4D-50 | ||||
| Model Series | YC4D120-33 | YC4D130-33 | YC4D140-33 | YC4D130-50 | YC4D140-50 | YC4D150-50 |
| Displacement (L) | 4.21 | |||||
| Bore × Stroke | 108×115 | |||||
| Number of Valves per Cylinder | 2 | |||||
| Emissions | Euro II | Euro Ⅴ | ||||
| Power (kw/rpm) | 90/2800 | 103/2800 | 103/2800 | 96/2800 | 103/2800 | 110/2800 |
| Torque (N.m/rpm) | 350/1400~1700 | 380/1400~1700 | 420/1400~1700 | 420/1400~1800 | 450/1400~1800 | 500/1400~1800 |
| Fuel System | In-line mechanical pump | DELPHI high pressure common rail (HPCR) system | ||||
| Exhaust Aftertreatment | No | SCR | ||||
| Dry Weight (kg) | 380 | |||||
| Oil Change Cycle | 20,000 (standard) | |||||
| B10 Service Life (10,000 km) | 50 | |||||
