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l Electric pre-supply oil technology is adopted, which effectively protects kinematic pair and improves the service life of engine.
The Yuchai proprietary carbon-scraping self-cleaning technology is adopted for ensuring low lubricating oil consumption.
High-quality alloy cast iron cylinder block of reinforced grid structure with cambered surface, high-strength vermicular iron cylinder head, dual protection anti-impact cylinder gasket structure, and self-developed cooling technology for the bottom of the cylinder head are adopted, which ensure high reliability.
l Electronic unit pump technology is adopted for ensuring stable operation, good transient speed governing performance, and strong loading capability.
l The technologies of four valves and turbocharged intercooled are adopted for ensuring sufficient air intake, full combustion and low fuel consumption.
l The structure of one head for one cylinder is adopted; maintenance window is set at the side of the engine body, which ensures easy maintenance.
| Item | 6C-T3 | |||||
| Model | YC6C1020-D31 | YC6C1070-D31 | YC6C1220-D31 | YC6C1320-D31 | YC6C1520-D31 | YC6C1660-D30 |
| Number of cylinders-Bore × Stroke（mm）mm | 6-200×210 | 6-200×210 | 6-200×210 | 6-200×210 | 6-200×210 | 6-200×210 |
| DisplacementL | 39.58 | 39.58 | 39.58 | 39.58 | 39.58 | 39.58 |
| Number of valves per cylinder | 4 | 4 | 4 | 4 | 4 | 4 |
| 进气方式 | 增压中冷 | 增压中冷 | 增压中冷 | 增压中冷 | 增压中冷 | 增压中冷 |
| 常用功率/转速kW/(r/min) | 680/1500 | 715/1500 | 815/1500 | 880/1500 | 1016/1500 | 1110/1500 |
| 备用功率/转速kW/(r/min) | 748/1500 | 787/1500 | 897/1500 | 968/1500 | 1118/1500 | 1221/1500 |
| 排放水平 | GB20891-2014第三阶段 | GB20891-2014第三阶段 | GB20891-2014第三阶段 | GB20891-2014第三阶段 | GB20891-2014第三阶段 | GB20891-2014第三阶段 |
| 排放Technical Route | 电控单体泵 | 电控单体泵 | 电控单体泵 | 电控单体泵 | 电控单体泵 | 电控High pressure Common Rail |
| 外特性最低燃油耗g/kW·h | ≤195 | ≤195 | ≤195 | ≤195 | ≤195 | ≤195 |
