YC4W Bus Series

YC 4W series diesel engine is the new type HSDI fuel engine in which Yuchai has the proprietary intellectual property rights with a displacement of 1.2L¡«1.8L and power coverage of 55 ¨C82 horse power to be applicable for bus market. This series diesel engine integrated modern engine advanced technology, like 4-valve dual overhead camshaft structure, electronic high pressure common rail injection system, turbo-charging & inter-cooling, water-cooled EGR, timing chain transmission agent, hydraulic valve clearance adjuster, spherical bearing runner axle rocker and with the advantage of low consumption ¡¢lower emission¡¢highly active.

Engine features for YC4W series bus diesel engine

• Advanced Technology -
  • All aluminum structure, light weight;
  • £¨DOHC£©4-valve, DCHC;
  • Direct injection¡¢Turbo-charging & inter-cooling;
  • £¨CR£©Electronic high pressure common rail injection system;
  • EGR Water cooled EGR;
  • Advanced air managerial system;
  • Variable area turbocharger(VNT)(optional);
  • Alterable intake whirlpool(in option)
• Big power output - Power 55KW-82KW£¬power performance up to advanced international standards
• Low Emission - US Delphi electronic high pressure common rail technology, up to Euro-III
• Low consumption - Lowest oil consumption ¡Ü215g/kW.h, specific fuel consumption lower than 0.1%
• Lower noise - Reach GB14097-1999 standard, Noise on testing platform¡Ü94dB£¨A£©
• High reliability - Reach German FEV mechanical reliability, engine life B10 above 250000 kilometer.
• Better applicability - Low displacement, High output per liter, light in weight, better applicability.

Main Technical Parameters for YC4W series bus diesel engine