Service parts for the MLG20IF4
Grouped by system, with how many of each the parts manual calls for.
Fuel system
1 requiredOil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Turbo |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 20 kW |
| Standby kVA | 20 |
| Prime power | 19 kW |
| Emissions | Tier 4 |
| Controller | Microprocessor |
| Oil capacity | 10.4 L |
| Alternator | Marathon Brushless/F |
| Voltage options | 120/240 V |
| Phase | 1 |
| Rated current | 83 A |
| Power factor | 1.0 |
| Battery cranking | 720 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Dimensions (L×W×H) | 1676×1727×1422 mm |
| Dry weight | 667 kg |
| Wet weight | 799 kg |
| Sound level | 70.0 dBA @ 7 m |
| Fuel tank | 190.0 L |
| Tank runtime | 24 hr |
Engine
| Oil capacity | 10.4 L |
|---|---|
| Coolant capacity | 17.0 L |
| Displacement | 2.18 L |
| Aspiration | Liquid cooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Isuzu 4LE2TAGV-03| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry type cartridge air filter | — | 250 hr | ||
| Fuel filter | Fuel filter with replaceable element | 69858 | 500 hr | Amazon $21.83 eBay $21.83 FridayParts $36.28 | |
| Oil filter | 670570304 | 1000 hr | Amazon eBay $16.89 PartsGeek $7.98 FridayParts $20.19 | ||
| Battery | Clean Battery | — | 1000 hr | ||
| Belt | Check Fan Belt Tension (Replace If Necessary) | — | 1000 hr | ||
| Coolant | Check Coolant Level | — | 250 hr | ||
| Oil | Check Oil Level | — | 250 hr | ||
| Spark plug | Replace Air Filter Element | — | 1000 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 size generator is the John Deere MLG20IF4?
The John Deere MLG20IF4 is rated 20 kW standby (20.0 kVA).
Which engine powers the John Deere MLG20IF4?
The John Deere MLG20IF4 is powered by the Isuzu 4LE2TAGV-03 engine.
What kind of fuel does the John Deere MLG20IF4 run on?
The John Deere MLG20IF4 runs on Turbo.
What is the oil capacity of the John Deere MLG20IF4?
The Isuzu 4LE2TAGV-03 engine in the John Deere MLG20IF4 has an oil capacity of 10.4 liters.
What alternator does the John Deere MLG20IF4 use?
The John Deere MLG20IF4 uses a Marathon Brushless/F alternator.
Which oil filter part number does the John Deere MLG20IF4 take?
The John Deere MLG20IF4 uses oil filter part number 670570304.
What fuel filter fits the John Deere MLG20IF4?
The John Deere MLG20IF4 uses fuel filter part number 69858.
Which air filter part number does the John Deere MLG20IF4 take?
The John Deere MLG20IF4 uses air filter part numbers GENERAC OE3557, GENERAC OE3656.
Parts
4| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 01035 | Central Lift Point | Central lift point | Amazon eBay | |
| 01144 | Controller | Controller | Amazon eBay | |
| 90243 | Air Filter Element | Air filter | Amazon eBay | |
| 209649 | Form: SFC626B | 1 | Service 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.