Technical data

OPERATION&MAINTENANCE MANUAL
9
Chart 7. the load characteristic curve of YSD490ZLD
Section 1. Diesel engine specification and technical dates
1、specification of diesel engine
Model YSD490ZLD
Type
line、water cool 、four stroke、direct
combustion chamber
Cylinder No. 4
Bore（mm） 90
Stroke（mm）` 100
Compression ratio 18
Total displacement（L） 2.54
Firing order 1-3-4-2-
Related power（kw） 32 38.4
Related speed（r/min） 1500 1800
Fan diameter（mm） 410
Advance injection fuel Angle（Before ）（°CA） 6±1
Min.specific fuel consumption at full load （g/kw.h） ≤225
Oil-fuel consumption ratio（g/kW.h）
≤2.72(the condition of out of factory
Direction of crankshaft rotation(facing to flywheel)
counterclockwise
cooling methods Forced water cooling
lubricating methods
Pressure and splash
lubrication
Starting methods electric