Isuzu 4BG1, 4BG1T

Engine Model4BG14BG1T
Engine Characteristics4Cycle. Water Cooled. Vertical In-Line.4Cycle. Water Cooled. Vertical In-Line.
Valvetrain ConfigurationOver Head ValveOver Head Valve
Type of AspirationNaturally AspiratedTurbocharged
Type of InjectionDirectDirect
No. of cylinders44
Displacement (Lit)4.3294.329
Compression ratio17.5 to 117 to 1
Firing Order1-3-4-21-3-4-2
Overall Dimensions
Length (mm)934.5934.5
Width (mm)572666
Dry Weight (kg)350360
Industrial Power
Gross (SAE J1995)
Max. Rated Output(kW/min-1)66.5 / 250083.0 / 2400
Max. Torque (N.m)305385
Net Performance (ISO 3046)
Max. Rated Output(kW/min-1)63.2 / 250080.0 / 2400
Max. Torque (N.m)300380
Min.S.F.C (@Full Load)(g/kW.h)220215
Generator Set Power (Net)
1500rpm Stand-by (kW)38.459.2
1500rpm Prime (kW)34.653.3
1800rpm Stand-by (kW)4874
1800rpm Prime (kW)43.266.6
Condition of Net power
Cooling Fan ( mm)500500
Intake Depression (kPa)2.52.5
Exhaust Back Pressure (kPa)00
Lubrication SystemFull forced pressure feed typeFull forced pressure feed type
Oil PumpTrochid type. Gear driven from camshaft.Trochid type. Gear driven from camshaft.
Lub. Oil Capacity(Oil Pan Only)(Lit)1313
Type of Lubrication OilAPI CC or CDAPI CD
Cooling SystemWater circulation type by pressurized centrifugal vane type by vee belt drivenWater circulation type by pressurized centrifugal vane type by vee belt driven
Coolant Capacity (Engine only)(Lit)8.58.5
Fuel SystemBy plunger and nozzle. High pressure solid inj. type.By plunger and nozzle. High pressure solid inj. type.
Injection PumpZexel make. In-line Bosch A type.Zexel make. In-line Bosch A type.
GovernorRSV Variable speed control mechanical governorRSV Variable speed control mechanical governor
Type of FuelDiesel fuel (SAE 2D Type)Diesel fuel (SAE 2D Type)
Electric SystemNegative grounding system (24V)Negative grounding system (24V)
Starting AidGlow plugGlow plug
Starter Motor (V-kW)24-3.524-3.5
Alternator (V-A)24-2524-25
Battery Requirements (V-CCA)12-58012-580

Isuzu 4BG1 - Isuzu 4BG1T - 4BG1 - 4BG1T - Engine model - Engine characteristics - Valvetrain - Overhead valve - 4 Cycle - Water cooled - Vertical In-line - 4 Cylinders - Direct injection - Output