Construction Machinery – WD12

Descrição do Motor

WD12 Nível II motor diesel é um produto  testado e maduro que é desenvolvido de forma independente pela Weichai Power com base nas idéias de design avançado da Europa e dos EUA. Ele tem a faixa de potência de 175-309kW (240-420PS), e é caracterizado por forte potência, alta confiabilidade, boa economia e baixo nível de ruído como o de energia ideal para carregadeira, escavadeira e carrinho. Ele pode satisfazer Nível II e Euro II Padrão de Emissão.

 


escavador
 

  • 6 cilindros em linha, duas válvulas, turbo intercooler;
  • Cabeçotes separados, bloco quadro;
  • Usa a tecnologia de injeção de alta pressão mecânica para o sistema de combustível.

 

 

Item Unit WD12G240E26 WD12G245E23 WD12G250E22 WD12G336E211
Displacement L 11.596 11.596 11.596 11.596
Bore×Stroke mm×mm 126X155 126×155 126×155 126×155
Rated Power kW(PS) 175(240) 180(245) 185(250) 247(336)
Rated Speed r/min 1800 2000 2100 2200
Max. Torque N·m 1100 1100 1060 1350
Max. Torque Speed r/min 1200-1300 1300-1400 1300-1400 1300-1600
Application Bulldozer Bulldozer Bulldozer Loader

 

 

 

Item Unit WD12.336 WD12.375 WD12.390 WD12.420
Displacement L 11.596 11.596 11.596 11.596
Bore×Stroke mm×mm 126X155 126×155 126×155 126×155
Rated Power kW(PS) 247(336) 276(375) 287(390) 309(420)
Rated Speed r/min 2200 2200 2200 2200
Max. Torque N·m 1350 1500 1600 1750
Max. Torque Speed r/min 1300-1500 1300-1500 1300-1500 1300-1500
Application Dump Truck,Trolley Dump Truck,Trolley Dump Truck,Trolley Dump Truck,Trolley

 

 

 Engine Type WD12G240E261 WD12G245E23 WD12G250E22 WD12G336E211 WD12.336 WD12.375 WD12.390 WD12.420
 Emission Standard Tier II Tier II Tier II   Tier II Euro II Euro II Euro II Euro II
 Fuel Diesel Diesel Diesel Diesel Diesel Diesel Diesel Diesel
 Ignition Compression-ignition Compression-ignition Compression-ignition Compression-ignition Compression-ignition Compression-ignition Compression-ignition Compression-ignition
 Fuel System In-line Pump In-line Pump In-line Pump In-line Pump In-line Pump In-line Pump In-line Pump In-line Pump
 Intake Method Turbocharged Turbocharged Turbocharged Turbocharged Intercooled Turbocharged Intercooled Turbocharged Intercooled Turbocharged Intercooled Turbocharged Intercooled
 Cooling System Water-cooling Water-cooling Water-cooling Water-cooling Water-cooling Water-cooling Water-cooling Water-cooling
 Structure of Combustion Chamber Direct Injection Direct Injection Direct Injection Direct Injection Direct Injection Direct Injection Direct Injection Direct Injection
 Arrangement of Cylinders In-line In-line In-line In-line In-line In-line In-line In-line
 No. of Cylinders 6 Cylinders 6 Cylinders 6 Cylinders 6 Cylinders 6 Cylinders 6 Cylinders 6 Cylinders 6 Cylinders
 Ignition Order 1-5-3-6-2-4 1-5-3-6-2-4 1-5-3-6-2-4 1-5-3-6-2-4 1-5-3-6-2-4 1-5-3-6-2-4 1-5-3-6-2-4 1-5-3-6-2-4
 No. of Intake Valves 1 1 1 1 1 1 1 1
 No. of Exhaust Valves 1 1 1 1 1 1 1 1
Displacement (L) 11.596 11.596 11.596 11.596 11.596 11.596 11.596 11.596
 Volume Compression Ratio 17 : 1 17 : 1 17 : 1 17 : 1 17 : 1 17 : 1 17 : 1 17 : 1
Bore (mm) 126 126 126 126 126 126 126 126
Stroke (mm) 155 155 155  155 155 155 155 155
Rated Power (kW) 175 180 185  247 247 276 287 309
Rated Speed (rpm) 1800 2000 2100  2000 2200 2200 2200 2200
Idling Speed (rpm) 750±50 750±50 750±50  600±50 600±50 600±50 600±50 600±50
Max Torque (N·m) 1100 1100 1060  1350 1350 1500 1600 1750
Max Torque Speed (rpm) 1200-1300 1300-1400 1300-1400  1300-1500 1300-1600 1300-1600 1300-1600 1300-1600
Min Fuel Consumption (g/ kW·h) ≤202 ≤202 ≤202  ≤202 ≤198 ≤198 ≤198 ≤198
Engine Noise (dBa) ≤119 ≤119 ≤119  ≤119 ≤119 ≤119 ≤119 ≤119
Engine Weight (kg) 915±40 915±40 915±40  915±40 915±40 915±40 915±40 915±40