HomeCaterpillarCaterpillar DM8518

Caterpillar DM8518 Generator Set

The Caterpillar DM8518 is a 750 kW (750 kVA) standby generator set powered by a Caterpillar C18 ATAAC engine. It is available at 480 V, 3-phase and 60 Hz. It holds about 38 L (10.0 gal) of oil and 20.8 L (5.5 gal) of coolant. The set measures 3361×1580×2078 mm (132.3×62.2×81.8 in).

750 kW
Standby
18.13 L
Displacement
38.0 L
Oil capacity
1
Document types

How to read your Caterpillar serial & model number →

Service parts for the DM8518

Grouped by system, with how many of each the parts manual calls for.

Fuel system

1 required
33674Fuel filter$19.97PartsGeek

Oil system

1 required

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

Frequency60.0 Hz
Standby power750 kW
Standby kVA750
Prime power600 kW
EmissionsEPA Tier 2
ControllerEMCP 4.2
Oil capacity38.0 L
AlternatorLC7024F
Voltage options480 V
Phase3-phase
Coolant capacity20.8 L
Dimensions (L×W×H)3361×1580×2078 mm

Engine

Caterpillar C18 ATAAC
Oil capacity38.0 L
Coolant capacity645.0 L
Displacement18.13 L
AspirationAir-to-Air Aftercooled
Rated speed1500 rpm

Maintenance & consumables

for the Caterpillar C18 ATAAC
ItemSpecCapacityPart #Interval
Air filter1250 hr
Fuel filter336741250 hr Amazon eBay $50.97 PartsGeek $19.97 KuduParts $147.00
Oil filter2P40051250 hr Amazon eBay $32.99 PartsGeek $23.97 KuduParts $39.00
Battery1250 hr
Belt1250 hr
Coolant1250 hr
OilSump refill with filter64.0 L
Spark plug1250 hr

Compatible filters for the Caterpillar C18 ATAAC — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Caterpillar 2453818 Caterpillar 2901936 Caterpillar 2453819 Donaldson P782106 Donaldson P607557

Common questions

What is the power rating of the Caterpillar DM8518?

The Caterpillar DM8518 is rated 750 kW standby (750.0 kVA).

What engine is in the Caterpillar DM8518?

The Caterpillar DM8518 is powered by the Caterpillar C18 ATAAC engine.

What's the oil capacity on a Caterpillar DM8518?

The Caterpillar C18 ATAAC engine in the Caterpillar DM8518 has an oil capacity of 38.0 liters.

What alternator does the Caterpillar DM8518 use?

The Caterpillar DM8518 uses a LC7024F alternator.

What oil filter does the Caterpillar DM8518 use?

The Caterpillar DM8518 uses oil filter part number 2P4005.

What fuel filter fits the Caterpillar DM8518?

The Caterpillar DM8518 uses fuel filter part number 33674.

What air filter fits the Caterpillar DM8518?

The Caterpillar DM8518 uses air filter part numbers CATERPILLAR 2453818, CATERPILLAR 2901936.

Fuel consumption

RatingLoadL/hgal/h
Standby50%91.724.2
Standby75%129.834.3
Standby100%161.642.7

Available documents

Spec sheet — C18+600+ekw+Standby+Tier2 EMCP4 (Caterpillar)
Full service, cheapest listings

Priced items from this model's own parts manual.

Fuel filter 33674$19.97
Oil filter 2P4005$23.97
2 priced items$43.94