Isuzu 4LE1, 4LE2

Engine Model4LE14LE2
Engine Caracteristics4Cycle. Water Cooled. Vertical In-Line.4Cycle. Water Cooled. Vertical In-Line.
Valvetrain ConfigurationOver Head ValveOver Head Valve
Type of AspirationNaturally AspiratedNaturally Aspirated
Type of InjectionIndirectDirect
No. of cylinders44
Displacement (Lit)2.1792.179
Compression ratio21.5 to 118.8 to 1
Firing Order1-3-4-21-3-4-2
Overall Dimensions
Length (mm)747753
Width (mm)488488
Height(mm)602602
Dry Weight (kg)155155
Industrial Power
Gross (SAE J1995)
Max. Rated Output(kW/min-1)40.5 / 300039.5 / 3000
Max. Torque (N.m)143145
Net Performance (ISO 3046)
Max. Rated Output(kW/min-1)39.0 / 300038.0 / 3000
Max. Torque (N.m)142142
Min.S.F.C (@Full Load)(g/kW.h)235225
Generator Set Power (Net)
1500rpm Stand-by (kW)19.819.8
1500rpm Prime (kW)17.417.4
1800rpm Stand-by (kW)24.724.7
1800rpm Prime (kW)21.821.8
Condition of Net power
Cooling Fan ( mm)380380
Intake Depression (kPa)2.52.5
Exhaust Back Pressure (kPa)00
Lubrication SystemFull forced pressure feed typeFull forced pressure feed type
Oil PumpTrochid type oil pump by crankgearTrochid type oil pump by crankgear
Lub. Oil Capacity(Oil Pan Only)(Lit)6.76.7
Type of Lubrication OilAPI CC or CDAPI CC or 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)2.82.8
Fuel SystemBy plunger and nozzle. High pressure solid inj. type.By plunger and nozzle. High pressure solid inj. type.
Injection PumpZexel make. Bosch PFR type.Zexel make. Bosch PFR type.
GovernorVariable speed control mechanical governorVariable speed control mechanical governor
Type of FuelDiesel fuel (SAE 2D Type)Diesel fuel (SAE 2D Type)
Electric SystemNegative grounding system (12V)Negative grounding system (12V)
Starting AidGlow plugGlow plug
Starter Motor (V-kW)12-1.812-1.8
Alternator (V-A)12-3512-35
Battery Requirements (V-CCA)12-58012-580
Quantity11

Isuzu 4LE1 - Isuzu 4LE2 - 4LE1 - 4LE2 - Engine model - Engine characteristics - Valvetrain - Overhead valve - 4 Cycle - Water cooled - Vertical In-line - 4 Cylinders - Direct injection - Indirect injection - Output