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Winco DE20I4 Generator Set

The Winco DE20I4 is a Diesel generator set powered by a Isuzu 4LE1 engine. It is available at 120/240 V, 120/208 V and 277/480 V, Single-phase, 60 Hz and rated 83 A. It holds about 8.6 L (2.3 gal) of oil and 50 L (13.2 gal) of coolant, with a maximum ambient rating of Not specified °C. Starting uses 1 group-Not specified battery at 12 V. The set measures Not specified×Not specified×Not specified mm (None×None×None in), weighs about Not specified kg (None lb) and produces Not specified dBA at Not specified m. An integrated tank holds Not specified L (None gal), roughly Not specified hours of runtime. The same 4LE1 engine also powers generator sets from Engine Manuals - Isuzu, Isuzu and MMD Equipment.

2.2 L
Displacement
8.6 L
Oil capacity
1
Document types

Specifications

FuelDiesel
Frequency60.0 Hz
Standby kVA20000
EmissionsNot specified
ControllerDSE4510
Oil capacity8.6 L
AlternatorStamford/AvK PI144E
Voltage options120/240 V, 120/208 V, 277/480 V
PhaseSingle
Rated current83.0 A
Power factor1.0
Circuit breaker104 A
Battery groupNot specified
Battery voltage12 V
Battery quantity1
Coolant capacity50 L
Max ambientNot specified °C
Tank runtimeNot specified hr

Engine

Isuzu 4LE1
Oil capacity6.7 L
Coolant capacity3.8 L
Displacement2.2 L
Aspirationnaturally aspirated
Rated speed1800 rpm

Maintenance & consumables

for the Isuzu 4LE1
ItemSpecCapacityPart #Interval
Air filterAir Filter Element8025818 PartsGeek
Fuel filter8944015310 PartsGeek
Oil filterSpin-on51334 PartsGeek $7.98
BeltAlternator Belt500341810 PartsGeek
Coolant
OilSpin-on

Common questions

What engine does the Winco DE20I4 use?

The Winco DE20I4 is powered by the Isuzu 4LE1 engine.

What fuel does the Winco DE20I4 use?

The Winco DE20I4 runs on Diesel.

What is the oil capacity of the Winco DE20I4?

The Isuzu 4LE1 engine in the Winco DE20I4 has an oil capacity of 6.7 liters.

What alternator does the Winco DE20I4 use?

The Winco DE20I4 uses a Stamford/AvK PI144E alternator.

What oil filter does the Winco DE20I4 use?

The Winco DE20I4 uses oil filter part number 51334.

What fuel filter does the Winco DE20I4 use?

The Winco DE20I4 uses fuel filter part number 8944015310.

What air filter does the Winco DE20I4 use?

The Winco DE20I4 uses air filter part number 8025818.

Troubleshooting

5

Symptoms & remedies

SymptomCause
Engine will not crankLow/dead battery
Engine cranks but will not startImproper fuel delivery to the unit
Engine starts, then stops and alarm light comes onEngine oil pressure is low
Engine will not come up to speed after it startsInsufficient fuel volume getting to the unit
No AC output from generatorDefective Diode

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

Parts

3
Part #DescriptionQtySystem
WSLE0406oil filter with full-flow bypass, water-cooled oil cooler and oil jet to cool the pistonOil filter PartsGeek
WSLE0021valve clearance standard value for inlet valve (mm/in)Service part / kit PartsGeek
WSLE0022valve clearance standard value for exhaust valve (mm/in)Service part / kit PartsGeek

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
Standby100%2.60.68

Available documents

Owner's manual — Winco DE20-DE90 (Winco)

Other sets with this engine