To verify the real-world performance of the Yuchai YC4A-T2 agricultural engine, comprehensive field trials were carried out on agricultural machinery in Pakistan. The equipment is currently undergoing trial operation at MILLAT, Pakistan's largest tractor manufacturer, under harsh high-temperature, arid and dusty field conditions that fully meet the rigorous demands of modern agricultural harvesting.
The test unit is a Zhengzhou Zoomlion 4LZ-9B combine harvester powered exclusively by the Yuchai YC4A-T2 engine. With a rated power of 105 PS, the powertrain is engineered to provide stable and reliable performance in extreme agricultural working environments.
Key performance specifications and operating data are summarized below:
|
Engine Model |
4A
|
|
Vehicle Brand |
Zoomlion |
|
Vehicle Model |
4LZ-9B |
|
Power (PS) |
105 |
|
application |
Field operations |
| Operating Conditions | High-temperature, arid, dusty environment |
| Total Operating Hours | 200 hours |
| Combined Fuel Consumption (L/ha) | 14 |
- Strong Power & Clean Operation
The Yuchai YC4A-T2 engine delivers a rated power output of 105 PS, ensuring strong and stable performance even under heavy-load field operations.
Operators at MILLAT consistently praise its powerful performance and smoke-free operation, with no visible black smoke under heavy loads-essential for maintaining efficient and reliable operation in Pakistan's agricultural conditions.
- Outstanding Fuel Efficiency & Lower Operating Costs
In real-world field operations, the YC4A-T2 engine records a combined fuel consumption of 14 liters per hectare, 1–2 liters per hectare lower than comparable competing engines.
This high fuel efficiency effectively reduces operating costs for farmers and agricultural enterprises, improving economic returns in practical use.
- Excellent Reliability & Durability
- Low Noise & Improved Operating Performance
The YC4A-T2 engine features low noise and vibration, providing a more comfortable operating experience. The combine harvester shows strong field adaptability, with improved grain recovery rate and lower impurity and grain damage rates.
Based on field test data and operational feedback from MILLAT in Pakistan, the Yuchai YC4A-T2 engine offers clear advantages in power, fuel economy, reliability and durability. It has become an ideal powertrain solution for the Zhengzhou Zoomlion 4LZ-9B combine harvester, fully satisfying the high-efficiency and cost-effective demands of modern agricultural operations.
For agricultural machinery manufacturers and fleet operators seeking a durable, high-performance engine for harsh field environments, the Yuchai YC4A-T2 engine provides a field-proven, reliable solution supported by professional technical support.