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Isuzu 4LE2 Generator Set

The Isuzu 4LE2 is a 30 kW (39.9 kVA) Diesel standby generator set powered by a Isuzu 4LE2T engine. It is available at 120 V, 240 V, 208 V and 480 V, 3-phase. It holds about 8.1 L (2.1 gal) of oil and 2.8 L (0.7 gal) of coolant. Starting uses 1 group-24 battery. The set weighs about 1084.5 kg (2391 lb) and produces 59 dBA at 7 m. The same 4LE2T engine also powers generator sets from ECHO, Generac, Hipower and Westquip Diesel Sales.

30 kW
Standby
2.2 L
Displacement
8.1 L
Oil capacity
3
Document types

Specifications

FuelDiesel
Standby power30 kW
Prime power29 kW
EmissionsTier 4 Final
ControllerFuel Level), Generator Monitoring Amps, Hertz, Volts
Oil capacity8.1 L
Voltage options120 V, 240 V, 208 V, 480 V
Phase3
Battery groupGr 24
Battery quantity1
Coolant capacity2.8 L
Dry weight155 kg
Sound level59.0 dBA @ 7 m

Engine

Isuzu 4LE2T
Oil capacity10.3 L
Coolant capacity14.1 L
Displacement2.2 L
AspirationTurbocharged
Rated speed1800 rpm

Maintenance & consumables

for the Isuzu 4LE2T
ItemSpecCapacityPart #Interval
Air filterS4CJ-1004E25F-004600 hr eBay
BeltS4CJ-1008E25F-008600 hr eBay
CoolantS4CJ-1007E25F-007 eBay
Fuel filterS4CJ-1003E25F-003600 hr eBay
OilS4CJ-1000E25F-001600 hr eBay
Oil filterS4CJ-1001E25F-002600 hr eBay
Air filter—1000 hr find
Belt—250 hr find
Coolantreplacement11.0—750 hr
Coolant filter—1000 hr find
Fuel filterelement replacement—500 hr find
Hydraulic filter— find
Oil500 hour oil change interval8.1—500 hr
Oil filter—1000 hr find

Parts

44
Part #DescriptionQtySystem
4LE2X新規部品 4LE2XCrankshaft buy
898027-4560Engine oil pressure sensor (for emergency stop) (Part number: ISUZU part number: 898027-4560)Sensor buy
898071-4010Fuel air-bleeding electromagnetic pump filter-Fuel filter buy
898071-4040Gasket for fuel air-bleeding electromagnetic pump filter-Gasket buy
898074-9550Engine supply pump strainer-Strainer buy
898227-1080Controller (ECM)-Controller buy
898227-1081Controller (ECM)-Controller buy
SG09072Boost temperature / boost pressure sensorSensor buy
SG09107-1Diode module1Diode module buy
SG12022EThermal relay (Part number:46928 01500)1Thermal relay buy
SG12026ECurrent transformer (CT) (Part number:46923 04700, Specification:5VA, 100/5A)1Current transformer buy
SG12027EAmmeter (Part number:46154 16000, Specification:0－50A 50/5A)1Ammeter buy
SG12035-1Voltage adjusting resistor hand trimmerSensor buy
SG12036-1EAuxiliary receptacles2Auxreceptacle buy
SG12101-1Exciter armature winding wires1Exciter armature winding wires buy
SG12102Automatic voltage regulator (AVR) (Part number:46950 02901)1Automatic voltage regulator buy
SG12105ECircuit protector (IDEC NRF110, Rated current:4.0A)1Circuit protector buy
SG13021AVR connector1Avr connector buy
SG13061Ammeter change-over switch (Part number:46913 01000)1Ammeter change over switch buy
SG130846GFCI receptacles2Gfcireceptacle buy
SG14008Varistor1Varistor buy
SG14086-2EChecking rotary rectifier and varistorSensor buy
SG14129EFuel PipingFuelpiping buy
SG14133Fuse (10A)1Fuse buy
SG14139Electronic control fuel injection system (Common rail type) (Part number:6. Pressure limiter, 10. CKP sensor, 2. Fuel filter, 7. Injector, 11. CMP sensor, 3. Supply pump, 8. ECM, 12. Fuel tank)1Electronic control fuel injection system buy
SG14140EGR cooler (Part number:1. EGR cooler, 4. EGR valve, 2. Outlet port of coolant, 5. ECM, 3. Inlet port of coolant, 6. Boost pressure / boost temperature sensor)1Egr cooler buy
SG14141Diesel oxidation catalyst (DOC) (Exhaust IN, SEC B-B, Exhaust OUT, DOC drain)1Diesel oxidation catalyst buy
SG14142Controller (ECM) (Part number:44390 04200, Connector terminal arrangement)1Controller buy
SG14154CMP sensorSensor buy
SG14155EGR motor position sensorSensor buy
SG14156Intake manifold temperature (IMT) sensorSensor buy
A130889Manual-Auto selector switch3Service part / kit buy
A130923Outline Drawing (mm)Service part / kit buy
A130941Outline Drawing (in.)Service part / kit buy
A131135Outline Drawing (mm)Service part / kit buy
A131136Outline Drawing (in.)Service part / kit buy
IDE-6450AIsuzu Genuine PartsService part / kit buy
SG09069ProtrusionsService part / kit buy
SG09070Timing chain sprocketService part / kit buy
SG12120Measurement of generator winding wire resistanceService part / kit buy
SG12121Measurement of insulation resistance of exciter armature winding wiresService part / kit buy
SG14006Measurement of insulation resistance of generator winding wiresService part / kit buy
SG14043EGenerator’s Winding Wires Resistance ValueService part / kit buy
SG14045Measurement of insulation resistance of exciter field winding wireService part / kit buy

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime
Prime50%1.41
Prime75%2.12
Prime100%2.81
Standby

Available documents

Engine specSpec sheetService manual