Weichai natural gas engine WP7NG gas engine
Based on mature WP7 engine noumennon, Weichai developed WP7 NG gas engine according to gas engine technical characteristic besides it matched and designed cooling of piston, turbocharger, valve and valve seat ring, which is the ideal power of bus.

ModelWP7NG240E40/E50WP7NG260E40/E50
Engine typeInline, Water cooling, Wet liner, Turbo Chargered, After cooled, Electronic pre-mixing, Spark plug ignition, Lean combustion
Cylinder6
Bore X Stroke(mm)108× 130
Displacement(L)7.5
Rated power(KW/HP)176/240191/260
Rated speed(r/min)2300
Max torque(NM/RPM)900/1300-1500980/1300-1500
FuelLNG/CNG
Lowest fuel comsuption(g/KWH)<185
Idle speed (RPM)650± 50