HomeIsuzuIsuzu 4LE2TAGV-03

Isuzu 4LE2TAGV-03 Generator Set

The Isuzu 4LE2TAGV-03 is a 20 kW (20 kVA) standby generator set powered by a Isuzu 4LE2TAGV-03 engine. It is available at 120 V and 240 V, 1Ø, 60 Hz and rated 83 A. It holds about 10.4 L (2.7 gal) of oil and 17 L (4.5 gal) of coolant. Starting uses 1 group-24 battery rated 720 CCA at 12 V. The set weighs about 2350 kg (5181 lb). An integrated tank holds 931 L (245.9 gal), roughly 109 hours of runtime. The same 4LE2TAGV-03 engine also powers generator sets from Generac, John Deere and Magnum.

20 kW
Standby
2.18 L
Displacement
10.4 L
Oil capacity
0
Document types

Service parts for the 4LE2TAGV-03

Grouped by system, with how many of each the parts manual calls for.

Fuel system

1 required

Oil system

1 required

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

Frequency60.0 Hz
Standby power20 kW
Standby kVA20
Prime power19 kW
Emissions4f
ControllerL401
Oil capacity10.4 L
AlternatorMarathon 334CSA3028
Voltage options120 V, 240 V
Phase
Rated current83 A
Power factor1.0
Circuit breaker100 A
Battery group24
Battery cranking720 CCA
Battery voltage12 V
Battery quantity1
Dry weight2350 kg
Fuel tank931.0 L
Tank runtime109 hr

Engine

Isuzu 4LE2TAGV-03
Oil capacity10.4 L
Coolant capacity17.0 L
Displacement2.18 L
AspirationLiquid cooled
Rated speed1800 rpm

Maintenance & consumables

for the Isuzu 4LE2TAGV-03
ItemSpecCapacityPart #Interval
Air filterDry type cartridge air filter250 hr
Fuel filter69858500 hr Amazon $21.83 eBay $21.83 FridayParts $36.28
Oil filter6705703041000 hr Amazon eBay $16.89 PartsGeek $7.98 FridayParts $20.19
BatteryClean Battery1000 hr
BeltCheck Fan Belt Tension (Replace If Necessary)1000 hr
CoolantCheck Coolant Level250 hr
OilCheck Oil Level250 hr
Spark plugReplace Air Filter Element1000 hr

Compatible filters for the Isuzu 4LE2TAGV-03 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Generac OE3557 Generac OE3656 Isuzu 8972319000 Isuzu 5864014350 Isuzu 8972599390

Common questions

What is the power rating of the Isuzu 4LE2TAGV-03?

The Isuzu 4LE2TAGV-03 is rated 20 kW standby (20.0 kVA).

What engine does the Isuzu 4LE2TAGV-03 use?

The Isuzu 4LE2TAGV-03 is powered by the Isuzu 4LE2TAGV-03 engine.

How much oil does the Isuzu 4LE2TAGV-03 take?

The Isuzu 4LE2TAGV-03 engine in the Isuzu 4LE2TAGV-03 has an oil capacity of 10.4 liters.

What alternator does the Isuzu 4LE2TAGV-03 use?

The Isuzu 4LE2TAGV-03 uses a Marathon 334CSA3028 alternator.

What oil filter does the Isuzu 4LE2TAGV-03 use?

The Isuzu 4LE2TAGV-03 uses oil filter part number 670570304.

Which fuel filter part number does the Isuzu 4LE2TAGV-03 take?

The Isuzu 4LE2TAGV-03 uses fuel filter part number 69858.

What air filter fits the Isuzu 4LE2TAGV-03?

The Isuzu 4LE2TAGV-03 uses air filter part numbers GENERAC OE3557, GENERAC OE3656.

Troubleshooting

2

Fault codes

CodeMeaningRemedy
0In case of an emergency, always press the emergency stop switch located on the side of the unit to stop the engine immediately. The Stop/Reset (O) button may delay the engine shutdown if stop faults exist.To prevent damage to the generator and connected equipment, remove all loads from the generator by opening all circuit breakers (turn to the OFF (O) position) before pressing the Stop/Reset (O) button.

Symptoms & remedies

SymptomCause
Ured current has fallen below the configured trip levelThis is used to detect lamp failure.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Parts

4
Part #DescriptionQtySystem
01035Central Lift PointCentral lift point Amazon eBay
01144ControllerController Amazon eBay
90243Air Filter ElementAir filter Amazon eBay
209649Form: SFC626B1Service part / kit Amazon eBay

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
Prime29.537.8
Standby7.952.1

Available documents

Full service, cheapest listings

Priced items from this model's own parts manual.

Fuel filter 69858$21.83
Oil filter 670570304$7.98
2 priced items$29.81