WT615Z、WT618Z系列压缩天然气发动机
WT615Z、WT618Z Series CNG Engine |
| 机型Model |
WT615Z.260NG |
WT615Z.280NG |
WT615Z.300NG |
WT618Z.330NG |
WT618Z.350NG |
WT618Z.380NG |
| 型式Type |
直列、水冷、干缸套、增压中冷、电控多点顺序喷射、火花塞点火、稀薄燃烧
In line, water cool, dry cylinder liner, turbo charged intrer cooling, electric control multi points sequence injection, spark plug ignition, lean burn |
| 气缸数Cylinder Number |
6 |
| 缸径×行程(mm)Bore×Stroke |
126×130 |
126×155 |
| 总排量(L)Displaement |
9.726 |
11.59 |
| 额定功率(kW/ps)Rated Power |
191/260 |
206/280 |
220/300 |
243/330 |
257/350 |
280/380 |
| 额定转速(r/min)Rated Speed |
2200 |
最大扭矩(N.m)/转速(r/min)
Max torque/speed |
980/1400-1600 |
1060/1300-1500 |
1230/1400-1600 |
1350/1400-1600 |
1400/1400-1600 |
1500/1400-1600 |
| 扭距储备(%)Torque Storage |
18 |
| 标准燃料Standard Fuel |
GB18047《车用压缩天然气》规定的12T
GB18047 12T stipulated in《CNG for vehicles》 |
最低燃料消耗(g/kW.h)
Lowest fuel consumption |
＜ 210 |
发火次序
Ignition order |
1-5-3-6-2-4 |
| 怠速(r/min)Idle Speed |
700±50 |
| 最高转速(r/min)Max Speed |
2400 |
| 机油牌号Oil Brand |
15W/40CD 级CNG专用机油 15W/CD CNG Special Oil |
| 机油消耗(g/kW.h)Oil Consumption |
≤1g/kW.h |
| 最高排温(℃)Max Exhaust Temperature |
＜580（涡轮后） ＜700（涡轮前） |
| 1米噪音(dB(A)) 1m Noise |
＜105 |
| 排放指标Emission standard |
欧Ⅲ(带氧化型催化器)EuroIII(with oxygen catalyst converter) |
| 发动机净重(kg)Net Weight |
750 |
950 |
| 外形尺寸(长×宽×高)(mm)Overall size(L×W×H) |
1411×692×1122 |
1560×610×1040 |
| 适用车型Suit For |
11-12米以上公交车、城市客车；中、重型载重车 Above 11-12m Auto Bus,city Bus; intermediate, heavy truck |