Doosan DB33A - Engine Specifications

2
1.2. Engine Specifications
Engine Model
Items
Engine type Water-cooled, 4 cycle in-line, overhead valve type
Combustion chamber type Direct injection type
Cylinder liner type Dry type, casting liner
Timing gear system Gear drive type
No. of piston ring Compression ring 2, oil ring 1
No. of cylinder-bore
¡¿stroke (mm) 4-102¡¿100
Total piston displacement (cc) 3,268 (199 cu in)
Compression ratio 17.5 : 1
Engine dimension(length¡¿width¡¿height) (mm) 795¡¿701¡¿720 (31¡¿28¡¿28 in)
Engine weight(dry) (kg) 340 (750 lbs)
Fuel injection order 1-3-4-2
Fuel injection timing(B.T.D.C static) 13
¡˘
Type of fuel used High-speed diesel fuel (SAE No.2)
Injection pump type VE (DOOWON)
Governor type Mechanical governing
Injection nozzle type Multi-hole type (6 hole) - VCO nozzle
Fuel injection pressure (Kg/cm
2
) 220 (3,128 psi)
Compression pressure (kg/cm
2
) 30 (at 200 RPM) (426 psi)
Low idle speed (R.P.M) 775-825
High idle speed (R.P.M) 2400-2500
Intake and exhaust valve clearance(at cold) (mm) 0.4
Lubrication method Pressurized circulation
Oil pump type Gear type
Oil filter type Full-flow type
Lubricating oil capacity (
§⁄) 7.5 (Oil pan) (1.97 gal)
Oil cooler type Water cooled
Cooling method Pressurized circulation
Cooling water capacity(engine only) (§⁄) 7.5 (1.97 gal)
Thermostat type Wax pallet type (with jiggle valve)
Generator voltage-capacity(V-A) 12-61
Starter Voltage-output(V-KW) 12-2.5
Intake valve
Exhaust valve
Open at 28 (B.T.D.C)
Close at 62 (A.B.D.C)
Open at 70 (B.B.D.C)
Close at 28 (A.T.D.C)
DB 33A