工程机械类柴油机
Y系列柴油机是为满足工程机械的要求，在基本型柴油机的基础上，对燃烧系统作了改编，对主要零件的结构，进行了强化改进设计。改进后的柴油机，具有功率大、扭矩高、耗能低、性能稳定、易启动、易维修等特点。
产品的功率范围从35KW-51.5KW,转速有2000rpm、2200rpm、2400rpm。可作为压路机、装载机、推土机、挖掘机、叉车等工程机械的配套动力。
Y series diesel engine is to satisfy engineering machinery's foundation, Has made the change to the combustion system, To major parts' structure, has carried on the strengthened improvement design. After the improvement diesel engine, has the power to be big, the torqre high, consumes fuel, the stable property, easy to start, to service and so on characteristics easily lowly.
The product power range from 35KW-51.5KW, the rotational speed ha 2000rpm, 2200rpm, 2400rpm. May as engineering machinery's and so on compressor, car loader, bulldozer, excavator necessary powers.
主要技术参数
| 型号 Model | 495BY | 4100BY | 4102BY |
| 型式 type | 水冷、直列、四冲程、ω型燃烧室、电起动 | ||
| 缸数 Cylinder number | 4 | ||
| 压缩比 Compression ratio (mm) | 16.5:1 | 17.5:1 | 17.5:1 |
| 缸径×行程 Cylinder bore×traveling schedule (mm) | 95×115 | 100×115 | 102×115 |
| 标定转速 Rated spees (r/min) | 2000 | 2200 | 2400 |
| 标定功率 Rated power (KW) | 35.3 | 44 | 51.5 |
| 最大扭矩、转速 Maximum torque/rotational speed (N.m/r/min) | 193.8、1500 | 199.7/1550 | 235.6/1650 |
| 扭矩储备 Torque reserve (%) | ≤15 | ||
| 标定功率燃油耗率 Rated power fuel oil consumption rate (g/kw.h) | ≤248 | ≤258 | |
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