General Specification - Doosan G420F Service Manual

General Specification

GENERAL DESCRIPTION
ENGINE TYPE:
COMBUSTION SYSTEM:
INTAKE MANIFOLD
EXHAUST MANIFOLD
VALVE CONFIGURATION:
VALVE LIFTER/LASH ADJUSTER
VALVE ROTATOR
CAMSHAFT DRIVE
DISPLACEMENT:
BORE x STROKE
BLOCK STRUCTURE
HEAD STRUCTURE
COMPRESSION RATIO:
COMPRESSION PRESSURE:
VALVE TIMING:
FIRING ORDER:
WEIGHT:
ENGINE ROTATION:
FUEL TYPE:
CRANK VENTILATION
IGNTION SYSTEM
IGNITION TYPE:
IGNITION TIMING:
POWER TRANSISTOR
IGNITION COIL:
SPARK PLUGS:
LUBRICATION SYSTEM
OIL PRESSURE:
OIL TEMPERATURE:
OIL PAN
OIL PAN CAPACITY
OIL FILTER:
ENGINE OIL SPECIFICATION:
COOLING SYSTEM
WATER PUMP ROTATION:
THERMOSTAT:
COOLING WATER CAPACITY:
G420F(FE) Service Manual
G420FE Engine
Water-cooled, Inline 4-Cycle, 4-Cylinders
Semi-Rent Roof
Cast Aluminum (with injector ports)
Cast Iron, Dry
DOHC, 4 Valves per Cylinder
Hydraulic Lash Adjuster
Intake/Exhaust Rotator
Timing belt system (25.4 mm Toothed Belt)
1,975 cc (120.5 cid)
82mm (3.23 in) x 93.5 mm (3.68 in)
Grey Cast Iron
Aluminum with seat inserts
9.4:1
1,450 kPa (210 psi)
Intake Valve: 2° BTDC(Open)/ 16° ABDC(Close)
Exhaust Valve: 6° BBDC(Open)/ 2° ATDC(Close)
1-3-4-2
170 kg (Dry)
Counter-Clockwise (CCW) when viewed from Flywheel End
LPG, Gasoline, Dual Fuel (LPG or Gasoline)
Foul Air System with PCV
Distributorless (coil on plug)
Electronic controlled by ECM
Ignition coil driver
12 V operation volt, 4 coils (coil on plug)
Platimum Spark Plug (Air Gap: 0.8mm)
167 kPa (24 psi) @ low Idle (90-100C oil temperature)
Upper Limit: 125°C (257°F)
Recommended: 99 - 110°C (210 - 230°F)
Lower Limit:80°C (176°F)
Cast Aluminum
3.7 L (EXCLUDES OIL FILTER)
0.3 L
API - SJ, SAE 10W30 or SAE 5W30
V-Belt Drive - Clockwise (CW) when viewed from engine front
Opening Temperature: 82°C (180°F)
Fully Open Temperature: 95°C (203°F)
3.0 L (block only)
13
G420F Engine
Chapter 1. General Information