8-2
ENGINE
ENGINE
1)
1)
2. SPECIFICATION FOR MAJOR COMPONENTS
2. SPECIFICATION FOR MAJOR COMPONENTS
MAIN PUMP
MAIN PUMP
2)
2)
MAIN CONTROL VALVE
MAIN CONTROL VALVE
3)
3)
Item
Unit
Specification
Model
-
Cummins QSB6.7
Type
-
4 cycle turbocharged, charger air cooled diesel engine
Cooling Method
-
Water cooling
Number of cylinders and arrangement
-
6 cylinders, In-line
Firing order
-
1-5-3-6-2-4
Combustion chamber type
-
Direct injection
Cylinder bore × stroke
mm (in)
107
×
124 mm (4.21"
×
4.88")
Piston displacement
cc (cu in)
6690 (409)
Compression ratio
-
17.3 : 1
Rated gross horse power
ps/rpm
165.8/2300
Maximum gross torque at rpm
kgf
·
m/rpm
74.7/1500
Engine oil quantity
ℓ
(U.S.gal)
14.2 (3.8)
Dry weight
kg (lb)
520 (1146)
High idling speed
rpm
2230
±
50
Low idling speed
rpm
700~1200
Rated fuel consumption
g/ps.hr
168
Starting motor
V-kW
DENSO, 24-3.7
Alternator
V-A
24-70
Battery
V-AH
24-100
Item
Unit
Specification
Type
-
Variable displacement axial piston pump
Capacity
cc/rev
74+63
Maximum operating pressure
bar
300
Rated speed (Max/Min)
rpm
2800/300
Item
Unit
Specification
Type
-
Sectional
Operating method
-
Hydraulic pilot
Main relief valve pressure
bar
230/165
Flow capacity
lpm
180