Doosan P158LE -III, Operation & Maintenance Manual

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Safety Regulations & Engine Specifications - 6 -
1.2.2. Specification for power unit engine
Engine Model
Items
PU158TI PU180TI PU222TI
Engine type
Water-cooled, 4 cycle Vee type
Turbo charged & intercooled
Combustion chamber type Direct injection type
Cylinder liner type Wet type, chromated or casting liner
Timing gear system Gear driven type
No. of piston ring Compression ring 2, oil ring 1
No. of cylinder-bore × stroke (mm) 8 – 128 × 142 10 – 128 × 142 12 – 128 × 142
Total piston displacement (cc) 14,618 18,273 21,927
Compression ratio 15 : 1
Engine dimension
(length × width × height)
(mm)
1,484 × 1,389 × 1,161.5 1,557 × 1,389 × 1,248 1,717 × 1,389 × 1,288
Engine dry weight (kg) 950 1,175 1,575
Fuel injection order 1-5-7-2-6-3-4-8 1-6-5-10-2-7-3-8-4-9
1-12-5-8-3-10-6-7-
2-11-4-9
Injection pump type Bosch in-line P type
Governor type Mechanical type
Injection nozzle type Multi-hole type
Fuel injection pressure (kg/cm
2
) 285
Compression pressure (kg/cm 2 ) 28 (at 200 rpm)
Intake and exhaust valve clearance
(at cold)
(mm)
0.3 / 0.4
Intake valve
Open at 24° (B.T.D.C)
Close at 36° (A.B.D.C)
Exhaust valve
Open at 63° (B.B.D.C)
Close at 27° (A.T.D.C)
Lubrication method Pressurized circulation
Oil pump type Gear type
Oil filter type Full-flow, cartridge type
Lubricating oil capacity (max./min.) (lit) 21 / 17 35 / 28 40 / 33
Oil cooler type Water cooled
Water pump Centrifugal type driven by belt
Cooling Method Pressurized circulation
Cooling water capacity (engine only) (lit) 20 21 23
Thermostat type Wax pallet type (71 ~ 85 °C)
Alternator voltage – capacity (V – A) 24 – 45
Starting Motor voltage – output (V – kW) 24 – 7.0
Battery capacity (V – AH) 24 – 200