Construction Machinery – WP7

Descrição do Motor

WP 7 Nível II motor diesel é desenvolvido em conjunto pela Weichai Power, AVL e Bosch usando tecnologia de motores avançados do mundo de economia de energia e proteção do ambiente. Ele tem a faixa de potência de 116-199 kW (158-270PS), e é caracterizado por forte potência, alta confiabilidade, boa economia e baixo nível de ruído como o de energia ideal para escavadeira. Ele pode satisfazer Nível II Padrão de Emissão.

 

escavador

  • 6 cilindros em linha, 4 válvulas, turbo intercooler;
  • Câmara traseira engrenagem, cabeça do cilindro integral, do tipo plaina bloco;
  • Usa a tecnologia common rail controlado eletronicamente para o sistema de combustível.

 

 

Item Unit WP7G158E201 WP7G173E201 WP7G193E201 WP7G270E201
Displacement L 7.14 7.14 7.14 7.14
Bore×Stroke mm×mm 108×130 108×130 108×130 108×130
Rated Power kW(PS) 116(158) 127(173) 142(193) 199
Rated Speed r/min 2000 2000 2000 2000
Max. Torque N·m 630 760 985 1160
Max. Torque Speed r/min 1400-1500 1400-1500 1400-1500 1400-1500
Application Hydraulic Construction Hydraulic Construction Hydraulic Construction Hydraulic Construction

 

 

Engine Type WP7G158E201 WP7G173E201 WP7G193E201 WP7G270E201
Emission Standard Tier II Tier II Tier II Tier II
Fuel Diesel Diesel Diesel Diesel
 Ignition Compression-igniton Compression-ignition Compression-ignition Compression-igniton
 Fuel System High Pressure Common Rail High Pressure Common Rail High Pressure Common Rail High Pressure Common Rail
 Intake Method Turbocharged Intercooled Turbocharged Intercooled Turbocharged Intercooled Turbocharged Intercooled
 Cooling System Water-cooling Water-cooling Water-cooling Water-cooling
 Structure of Combustion Chamber (only for compression-ignition engien) Direct Injection Direct Injection Direct Injection Direct Injection
 Arrangement of Cylinders In-line In-line In-line In-line
 No. of 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
 No. of Intake Valves 2 2 2 2
 No. of Exhaust Valves 2 2 2 2
Displacement(L) 7.14 7.14 7.14 7.14
Volume Compression Ratio 18 : 1 18 : 1 18 : 1 18 : 1
Bore(mm) 108 108 108 108
Stroke(mm) 130 130 130 130
Rated Power(kW) 116 127 142 119
Rated Speed(rpm) 2000 2000 2000 2000
Fuel Delivery per Stroke at Rated Speed(cubic millimeter) 187 192 194 198
Idling Speed(rpm) 700 700 700 700
Max Torque (N.m) 630 760 985 1160
Max Torque Speed(rpm) 1400-1500 1400-1500 1400-1500 1400-1500
Min Fuel Consumption (g/ kW.h) ≤192 ≤192 ≤192 ≤192
Engine Noise (1m off engine)(dBa) ≤95 ≤95 ≤95 ≤95
Engine Weight (kg) 620±20 620±20 620±20 620±20