Chapter II Technical Information of Engine
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
23
Table 2-5-2 Technical Parameters of Main Parts of GBWD20/GW4D20B Turbocharged Diesel
Engine Electric System
Item
Unit
Technical Parameter
Generator
Nominal voltage
V
12
Rated rotation speed
r/min
5000
Service speed
r/min
900~11000
Rotation direction
Clockwise (viewing from the direction of pulley)
Polarity
Cathode earthing
Working mode
Continuous rated type
High speed voltage of
regulator
V
14.5±0.3
Starting
Motor
Voltage
V
12
Output power
kW
2
Rotation direction
Clockwise (viewing from the direction of driving
gear)
(Continued)
Item
Unit
Technical Parameter
Storage
Battery
Rated voltage
V
14
Heater Plug
Heating time
s
Heated to 800
℃
in 8 s
2. Various Temperature and Pressure Ranges of Engine
For various temperature and pressure ranges of GW4D20/GW4D20B turbocharged diesel engine, see
Table 2-5-3.
Table 2-5-3 Various Temperature and Pressure Ranges of GW4D20/GW4D20B Turbocharged
Diesel Engine
Item
Temperature Range
Item
Pressure Range
Water Outlet of Cooling
System
80
℃
~90
℃
Idle engine oil pressure
≥0.3Mpa
Engine Oil of
Lubrication System
≤120
℃
Engine oil pressure at
the calibrated rotation
speed
≥0.4Mpa