GENERAL INFORMATION
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1.3. Engine Specifications
1.3.1. Specification
Engine model
Items
DE12 DE12T DE12TI DE12TIS
Engine type
4 cycle in-line,
Water-cooled type
Naturally aspirated
4 cycle in-line,
Water-cooled type
Turbo charged
4 cycle in-line,
Water-cooled type
Turbo charged & intercooled
Combustion chamber type Direct injection type
Cylinder liner type Replaceable dry liner
Timing gear system Gear driving type
No. of piston rings compression ring, 1 oil ring
No. of cylinders – bore
×
stroke (mm) 6 – 123
×
155
Total piston displacement (cc) 11,051
Compression ratio 17.1 : 1 17.1 : 1 16.5 : 1 16.8 : 1
Engine Dimension
(length
×
width
×
height) (mm)
1,317 X 795 X
1,029
1,317 X 847 X
1,064
1,368 X 932 X 1,151
Engine Weight(kg) 872 909 990
Rotating direction (viewed from flywheel)
Counterclockwise
Firing injection order 1 – 5 – 3 – 6 – 2 – 4
Fuel Injection timing (BTDC Static) 10°or 12°
(Depend on Suffix)
8
°
(Depend on Suffix)
9° or 12
°
(Depend on Suffix)
1° or 10
°
(Depend on Suffix)
Injector pump type Mechanical Mechanical Mechanical Mechanical
Governor type RFD - C / RLD RFD - C RFD - D RLD - J
Injection nozzle type
Multi-hole
(5-
ø
0.29)
Multi-hole
(5-
ø
0.31)
Multi-hole
(5-
ø
0.33)
Multi-hole
(5-
ø
0.29)
Fuel injection pressure (kg/c
m
2
) 220 220
1st : 160
2nd : 220
1st : 160
2nd : 220
Compression pressure (kg/cm2) 28 (at 200rpm)
Intake and exhaust valve clearance
(at cold) (mm)
0.3
Intake valve
Open at 18
°
(B.T.D.C) 18
°
(B.T.D.C)
Close at 34
°
(A.B.D.C) 32
°
(A.B.D.C)
Exhaust valve
Open at 46
°
(B.B.D.C) 70
°
(B.B.D.C)
Close at 14
°
(A.T.D.C) 30
°
(A.T.D.C)
Lubrication method Full forced pressure feed type
Oil pump type Gear type driven by crankshaft
Oil filter type Cartridge type
Lubricating oil capacity (Max/min) (lit) 17 / 14
Oil cooler type Water cooled
Water pump Centrifugal type driven by gear
Cooling method Fresh water forced circulation
Cooling water capacity (engine only) (lit)
19
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