Specifications
| Frequency | 50.0 Hz |
|---|---|
| Standby power | 400 kW |
| Standby kVA | 500 |
| Controller | EMCP 4.1 |
| Oil capacity | 60.0 L |
| Alternator | Caterpillar LC6114D |
| Voltage options | 400 V |
| Phase | Single Phase |
| Coolant capacity | 58.1 L |
| Max ambient | 923 °C |
| Dimensions (L×W×H) | 3800×1130×2215 mm |
| Dry weight | 3734 kg |
| Fuel tank | 105.2 L |
| Tank runtime | 1.0 hr |
Engine
| Oil capacity | 60.0 L |
|---|---|
| Coolant capacity | 47.8 L |
| Displacement | 15.2 L |
| Aspiration | ATAAC |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Caterpillar C15 ATAAC| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Heavy duty air cleaner with service indicator | — | 1250 hr | find | |
| Fuel filter | Duplex primary with integral water separator and change-over valve allowing filters to be changed while engine is running and engine mounted secondary | — | 1250 hr | find | |
| Oil filter | 2P4005 | 1250 hr | PartsGeek ddtp $25.60 | ||
| Belt | — | 1250 hr | find | ||
| Coolant | 50/50 Ethylene Extended Life Glycol | 57.8 L | — | 1250 hr | |
| Oil | 74 L (19.5 gal) | 74.0 L | — | 500 hr |
Compatible filters for the Caterpillar C15 ATAAC — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.
- Air filter: Donaldson P780006 Donaldson P781351
- Fuel filter: Donaldson P551319
- Fuel filter (primary): Donaldson P551319
Common questions
What is the power rating of the Caterpillar DM8491?
The Caterpillar DM8491 is rated 400 kW standby (500.0 kVA).
What engine does the Caterpillar DM8491 use?
The Caterpillar DM8491 is powered by the Caterpillar C15 ATAAC engine.
What is the oil capacity of the Caterpillar DM8491?
The Caterpillar C15 ATAAC engine in the Caterpillar DM8491 has an oil capacity of 60.0 liters.
What alternator does the Caterpillar DM8491 use?
The Caterpillar DM8491 uses a Caterpillar LC6114D alternator.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Standby | 75.0 | 20.0 |
Available documents
Spec sheet — 500 kVA StandbyC15 Lean I6 EU (Caterpillar)