Yuchai YC4D60-D21 - Technical data of adjustment and control for engine

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Technical data of adjustment and control for engine
Item
YC4D60-D21
YC4D85Z-D20
(MPa)
Oil pressure
at rated speed
0.25～O.6
at idle speed
≥0.1
Oil temperature
≤100
Cooling water outlet temperature
75～95
Static fuel supply advance angle
(ºCA )
14±2
Cold valve
clearance (ºCA)
Intake valve
O.40±0.05
Exhaust valve
0.45±0.05
Valve timing
(ºCA)
Intake valve
advance open
angle
14
Exhaust valve
lag close angle
44
Exhaust valve
advance open
angle
56
Intake valve
lag close angle
12
Valve recession height (mm)
1±O.2
Protrusion height of fuel injector
over cylinder head bottom surface
(mm)
3.6±O.1