1-7
3. SPECIFICATION FOR MAJOR COMPONENTS
ENGINE
1)
MAIN PUMP
2)
MAIN CONTROL VALVE
3)
Item Unit Specification
Model
WIA WC30D
Type
Vertical, water-cooled, 4-cycle diesel
Cooling Method
Water cooling
Number of cylinders and arrangement
4 cylinders, in-line
Firing order
1-3-4-2
Combustion type
Swirl
Cylinder bore X stroke
mm (in)
98Ý98 (3.9Ý3.9
Piston displacement
cc (cu in)
2957 (180)
Compression ratio
21.5
Rated gross horse power
ps/rpm
60/2500
Maximum gross torque at rpm
kgfÂm/rpm
18.7/1800
Engine oil quantity
˶
(U.S.gal)
7.4 (1.95)
Dry weight
kg (lb)
200 (440)
High idling speed
rpm
2750
Ü
50
Low idling speed
rpm
800
Ü
50
Rated fuel consumption
g/ps.hr
192
Starting motor V-kW 12V, 2.2kW
Alternator V-A 13.5V, 7.5A
Battery V-AH 12V, 72AH
Fan belt deflection
mm (in)
10~13 (0.39~0.51)
Item Unit Specification
Type
Fixed displacement gear pump
Capacity
cc/rev
27.7
Maximum operating pressure
bar
250
Rated speed (Max/Min)
rpm
2700/500
Item Unit Specification
Type
Sectional
Operating method
Mechanical
Main relief valve pressure
kg/cm
2
200/165
Flow capacity
lpm
76
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