Service parts for the DM8491
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Frequency | 50.0 Hz |
|---|---|
| Standby power | 400 kW |
| Standby kVA | 500 |
| Controller | EMCP 4.1 |
| Oil capacity | 60.0 L |
| Alternator | 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 | 57.8 L |
| Displacement | 15.2 L |
| Aspiration | ATAAC |
| Rated speed | 1800 rpm |
Filters for the Caterpillar C-15 ATAAC
8Engine-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.
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Oil filter | P554005 | Lube Filter, Spin-On Full Flow | CATERPILLAR 1R0716, CATERPILLAR 1W2660, NAPA 1792, BALDWIN BF46150-O | FridayParts $41.73 |
| Oil filter | P551808 | Lube Filter, Spin-On Full Flow | CATERPILLAR 1R1808, CATERPILLAR 1R808, NAPA 7792, BALDWIN B7299 | KuduParts $80.00 |
| Fuel filter | P550625 | Fuel Filter, Spin-On Secondary | CATERPILLAR 1165436, CATERPILLAR 1R0762, NAPA 3640, BALDWIN BF7753 | buy |
| Fuel filter | P551311 | Fuel Filter, Spin-On Secondary | CATERPILLAR 1R0749, CATERPILLAR 3089679, BALDWIN BF7587, TAMROCK 019854051 | KuduParts $147.00 FridayParts $151.84 |
| Fuel / water separator | P552020 | Fuel Filter, Water Separator Cartridge | CATERPILLAR 1110716, CATERPILLAR 3I1252, BALDWIN PF7890-10, IMPERIAL 04FS1206 | buy |
| Fuel / water separator | P551858 | Fuel Filter, Water Separator Spin-On | CATERPILLAR 1335673, CATERPILLAR 1700061, NAPA 3780, BALDWIN BF1265 | FridayParts $39.00 KuduParts $48.00 |
| Coolant filter | P554685 | Coolant Filter, Spin-On Non-Chemical | CATERPILLAR 3I1300, CATERPILLAR 4059558, NAPA 4070, MTU 0002040791 | buy |
| Coolant filter | P554073 | Coolant Filter, Spin-On | CATERPILLAR 0C2000, CATERPILLAR 0C2017, NAPA 4073, VERSATILE 00104040 | KuduParts $40.00 |
Maintenance & consumables
for the Caterpillar C-15 ATAAC| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | 46822 | 1250 hr | Amazon eBay $218.50 FridayParts $132.57 | ||
| Fuel filter | 33674 | 1250 hr | Amazon eBay $50.97 PartsGeek $19.97 KuduParts $147.00 FridayParts $151.84 | ||
| Oil filter | 2P4005 | 1250 hr | Amazon eBay $32.99 PartsGeek $23.97 NAPA $33.79 KuduParts $39.00 FridayParts $41.73 | ||
| Battery | — | 1250 hr | |||
| Belt | — | 1250 hr | |||
| Coolant | 57.8 | — | 1250 hr | ||
| Oil | 60.0 L | — | |||
| Spark plug | — |
Common questions
What size generator is 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 C-15 ATAAC engine.
How much oil does the Caterpillar DM8491 take?
The Caterpillar C-15 ATAAC engine in the Caterpillar DM8491 has an oil capacity of 60.0 liters.
What is the coolant capacity of the Caterpillar DM8491?
The Caterpillar DM8491 cooling system holds 58.1 liters (15.3 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
How much does the Caterpillar DM8491 weigh?
The Caterpillar DM8491 has a dry weight of 3734 kg (8232 lb).
How big is the fuel tank on the Caterpillar DM8491?
The Caterpillar DM8491 has a 105.2 liter (28 US gallon) fuel tank, giving about 1.0 hours of runtime.
What voltage does the Caterpillar DM8491 produce?
The Caterpillar DM8491 is offered in 400 V, Single Phase-phase.
What alternator comes on the Caterpillar DM8491?
The Caterpillar DM8491 uses a LC6114D alternator.
Which oil filter part number does the Caterpillar DM8491 take?
The Caterpillar DM8491 uses oil filter part number 2P4005.
Which fuel filter part number does the Caterpillar DM8491 take?
The Caterpillar DM8491 uses fuel filter part number 33674.
What air filter fits the Caterpillar DM8491?
The Caterpillar DM8491 uses air filter part number 46822.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Standby | 75.0 | 20.0 |
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.