Service parts for the DE20I4
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
1 requiredBelts
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby kVA | 20000 |
| Emissions | Not specified |
| Controller | DSE4510 |
| Oil capacity | 8.6 L |
| Alternator | Stamford/AvK PI144E |
| Voltage options | 120/240 V, 120/208 V, 277/480 V |
| Phase | Single |
| Rated current | 83.0 A |
| Power factor | 1.0 |
| Circuit breaker | 104 A |
| Battery group | Not specified |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 50 L |
| Max ambient | Not specified °C |
| Tank runtime | Not specified hr |
Engine
| Oil capacity | 8.6 L |
|---|---|
| Coolant capacity | 50.0 L |
| Displacement | 2.179 L |
| Aspiration | Turbocharged (4LE1T); Naturally aspirated (4LE1N) |
| Rated speed | 1800 rpm |
Filters for the Isuzu 4LE1
2Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.
Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Oil filter | P550162 | Lube Filter, Spin-On Full Flow | ISUZU 2944566410, ISUZU 5860001790, NAPA 1301, NAPA 1334 | FridayParts $10.50 |
| Fuel filter | P502166 | Fuel Filter, Cartridge | ISUZU 8944015310, ISUZU 8970713480, NAPA 3263, BALDWIN PF981 | KuduParts $11.00 |
Same engine, other brands
2 brandsThe Isuzu 4LE1 in this set also powers 6 generator sets sold under 2 other brands. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| Isuzu | 4LE1NYBW, 4le1t, ILS-4LE1-A, ILS-4LE1-C, ML23IMRD |
| MMD Equipment | Airman PowerPro 25 |
Maintenance & consumables
for the Isuzu 4LE1| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Filter Element | 8025818 | Amazon eBay | ||
| Fuel filter | 8944015310 | Amazon eBay $86.33 NAPA $16.78 | |||
| Oil filter | Spin-on | 51334 | Amazon eBay $58.50 PartsGeek $7.98 NAPA $9.09 FridayParts $20.19 | ||
| Belt | Alternator Belt | 500341810 | Amazon eBay | ||
| Coolant | 4.2 | — | |||
| Oil | Spin-on | 4.0 | — |
Common questions
Which engine powers the Winco DE20I4?
The Winco DE20I4 is powered by the Isuzu 4LE1 engine.
What fuel does the Winco DE20I4 use?
The Winco DE20I4 runs on Diesel.
How much oil does the Winco DE20I4 take?
The Isuzu 4LE1 engine in the Winco DE20I4 has an oil capacity of 8.6 liters.
What is the cooling system capacity of the Winco DE20I4?
The Winco DE20I4 cooling system holds 50 liters (13.2 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What voltages is the Winco DE20I4 available in?
The Winco DE20I4 is offered in 120/240 V, 120/208 V, 277/480 V, Single-phase.
How many cold cranking amps does the Winco DE20I4 require?
The Winco DE20I4 uses 1 battery, 12 V each, group Not specified, per the manufacturer specification sheet.
What alternator does the Winco DE20I4 use?
The Winco DE20I4 uses a Stamford/AvK PI144E alternator.
Which oil filter part number does the Winco DE20I4 take?
The Winco DE20I4 uses oil filter part number 51334.
Which fuel filter part number does the Winco DE20I4 take?
The Winco DE20I4 uses fuel filter part number 8944015310.
Which air filter part number does the Winco DE20I4 take?
The Winco DE20I4 uses air filter part number 8025818.
Troubleshooting
5Symptoms & remedies
| Symptom | Cause |
|---|---|
| Engine will not crank | Low/dead battery |
| Engine cranks but will not start | Improper fuel delivery to the unit |
| Engine starts, then stops and alarm light comes on | Engine oil pressure is low |
| Engine will not come up to speed after it starts | Insufficient fuel volume getting to the unit |
| No AC output from generator | Defective Diode |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
13| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 897112-8652 | Starter (12V-2.0kW) DENSO CORPORATION | Starter | FridayParts $95.26 | |
| 897129-6440 | Nozzle | Injector | FridayParts $59.99 | |
| 897147-5801 | Injection pump | Pump | FridayParts $239.99 | |
| 897360-7860 | Nozzle holder ASM | Injector | buy | |
| 898074-7740 | Injection pump | Pump | FridayParts $219.21 | |
| 898094-1080 | Starter (12V-2.2kW) Mitsubishi Electric Co. | Starter | FridayParts $151.19 | |
| 898098-8750 | Injection pump | Pump | FridayParts $171.09 | |
| TB1207B | Liquid gasket (ThreeBond) | Gasket | buy | |
| TB1207C | Liquid gasket (ThreeBond) | Gasket | buy | |
| 894423-7560 | Generator (12V-35A) Hitachi, Ltd. | Service part / kit | FridayParts $172.33 | |
| 897225-1170 | Generator (12V-35A) DENSO | Service part / kit | FridayParts $142.70 | |
| 897226-8408 | Generator (12V-20A) Hitachi, Ltd. | Service part / kit | buy | |
| 897228-3180 | Generator (12V-50A) Hitachi, Ltd. | Service part / kit | FridayParts $107.68 |
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
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Standby | 100% | 2.6 | 0.68 |
Available documents
This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.