型号Model
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NQ100BN5
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NQ120BN5
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NQ140BN5
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型式Type
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直列四缸、四冲程、液冷、增压中冷、单点电喷、点燃式
4 cylinders in line,4 strokes,water cooling, turbo intercooled,electric-control natural gas singal-point injection,ignition type
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系族名称Family name
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G50400H0376Y01
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缸径×行程(mm) Bore×Stroke
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102×115
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发动机排量(L) Dispiacement
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3.759
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压缩比Compression ratio
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10.5:1
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点火方式Ignition systems
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3.5万伏高能电控分缸顺序点火35000 volt electric cylinder sequential ignition energy
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点火顺序Ignition order
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1-3-4-2
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燃料Fuel
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CNG、LNG
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额定功率/转速(kw/r/min) Rated power/speed
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73/2800
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88/2800
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103/2800
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最大扭矩/转速(N.m/r/min) Max. torque/speed
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320/1100~1900
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370/1100~1900
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420/1100~1900
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外特性最低燃气消耗率(g/kw.h) Outer characteristic min.gas consumption rate
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≤210
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额定工况机燃比(%) Oil-fuel ratio at rated working condition
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≤0.3
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低怠速转速(r/min) Speed at low idle speed
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650±50
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噪声dB(A)Noise
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≤113
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排气污染物排放Pollutant emission
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满足GB17961-2005标准第Ⅴ阶段排放限值要求 Complies with phase Ⅴof GB17691-2005
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外形尺寸(mm) Length×Width×Height
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880×770×860
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适用范围
Scope and Application
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9米以下城市公交客车、6到7米公路客车等;轻、中型载货车及专用车;小型工程机械、发电机组及其它动力 9 meters below the city bus、6 to 7 meters of road buses etc.;Light、medium duty truck and special purpose vehicle;Small construction machinery、generator sets and other power
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