Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 20 kW |
| Standby kVA | 25 |
| Prime power | 18 kW |
| Emissions | Interim Tier IV |
| Controller | Microprocessor-based controller |
| Voltage options | 120/240 V, 120/208 V, 277/480 V |
| Circuit breaker | 90 A |
| Battery cranking | 720 CCA |
| Max ambient | 48.88 °C |
| Dimensions (L×W×H) | 2667×1727×1422 mm |
| Dry weight | 744 kg |
| Sound level | 68.0 dBA @ 7.01 m |
| Fuel tank | 211.98 L |
| Tank runtime | 31 hr |
Maintenance & consumables
for the Isuzu 4LE1NYGV-01| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 1000 hr | find | ||
| Fuel filter | with replaceable element | 8944015310 | 250 hr | PartsGeek | |
| Oil filter | full flow, spin on type | 5876100080 | 1000 hr | PartsGeek | |
| Belt | — | 1000 hr | find | ||
| Coolant | 11.6 L | — | 250 hr | ||
| Oil | 6.7 L | — | 250 hr |
Compatible filters for the Isuzu 4LE1NYGV-01 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.
- Air filter: Isuzu 5864014350 Isuzu 8972599390 Donaldson P775687 Donaldson P821575 Donaldson P822858
Common questions
What is the power rating of the Generac MLG 25?
The Generac MLG 25 is rated 20 kW standby (25.0 kVA).
What engine does the Generac MLG 25 use?
The Generac MLG 25 is powered by the Isuzu 4LE1NYGV-01 engine.
What fuel does the Generac MLG 25 use?
The Generac MLG 25 runs on diesel.
Parts
8| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 00087 | Engine fan belt guard | Belt | PartsGeek | |
| 00130 | Fine Voltage Adjustment Screw | 1 | Fine voltage adjustment screw | PartsGeek |
| 00174 | Engine exhaust system components | Seal | PartsGeek | |
| 100A | Equipment Outlet Main Circuit Breaker | Circuit breaker | PartsGeek dieselpartscenter $2.44 | |
| 12398 | Receptacle Panel (2x5-20R, 2xL6-30R, 2x50A) | Receptacle panel | PartsGeek dieselpartscenter $6.83 | |
| 00305 | OPERATING MANUAL | 1 | Service part / kit | PartsGeek |
| 01203 | Combination Light Tower Generator & Water Trailer | Service part / kit | PartsGeek | |
| 1NYGV-03G | 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
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 50% | 3.41 | 0.9 |
| Prime | 75% | 5.11 | 1.35 |
| Prime | 100% | 6.81 | 1.8 |