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Caterpillar D398 Generator Set

The Caterpillar D398 is a 680 kW (1200 kVA) prime generator set powered by a Caterpillar D398 engine. It holds about 555 L (146.6 gal) of oil and 148 L (39.1 gal) of coolant. The set weighs about 12682 kg (27959 lb).

48.3 L
Displacement
555.0 L
Oil capacity
4
Document types

How to read your Caterpillar serial & model number →

Specifications

Standby kVA1200
Prime power680 kW
Oil capacity555.0 L
AlternatorSR4 (Class F insulation)
Dry weight12682 kg

Engine

Caterpillar D398
Oil capacity555.0 L
Coolant capacity148.0 L
Displacement48.3 L
AspirationTurbocharged-Aftercooled
Rated speed1200 rpm

Common questions

What engine does the Caterpillar D398 use?

The Caterpillar D398 is powered by the Caterpillar D398 engine.

What is the oil capacity of the Caterpillar D398?

The Caterpillar D398 engine in the Caterpillar D398 has an oil capacity of 555.0 liters.

What alternator does the Caterpillar D398 use?

The Caterpillar D398 uses a SR4 alternator. Insulation class F.

Parts

77
Part #DescriptionQtySystem
1P-8005Gasket - Chamber1Gasket PartsGeek
297-7237Ring - Seal1Seal PartsGeek
2N-3220Gear - Oil Pump Drive1Pump PartsGeek
2S-3966Ring - Seal1Seal PartsGeek
2S-7264Pump As - Fuel Injector1Injector PartsGeek
311-9393Gasket - CoverGasket PartsGeek
311-9395Impeller - Pump1Impeller PartsGeek
311-9442Pump As - Fuel InjectorInjector PartsGeek
311-9443Pump Gp1Pump PartsGeek FridayParts $29.99
311-9444Pump Gp - Fuel Transfer1Pump PartsGeek FridayParts $249.99
311-9452Seal Gp - CamshaftSeal PartsGeek
311-9453Seal Gp - Camshaft1Seal PartsGeek
311-9454Seal As - PumpSeal PartsGeek
311-9455Seal As - PumpSeal PartsGeek
314-8498V - Belt SetBelt PartsGeek
314-8499Belt Set - VeeBelt PartsGeek
314-8527Gasket - ChamberGasket PartsGeek
314-8532Panel - Air Cleaner Filter1Air filter PartsGeek
314-8540Seal - Oil1Seal PartsGeek
314-8541Seal - o-RingSeal PartsGeek
314-8542Seal - o-Ring1Seal PartsGeek
5L-3980V - Belt Set1Belt PartsGeek
5L-5656Belt Set - Vee1Belt PartsGeek
5N-2902Seal - Oil1Seal PartsGeek
5N-3009Tube As - Inlet Lh1Hose PartsGeek
5N-3012Tube As - Inlet1Hose PartsGeek
5N-4378Shaft As - Pump1Pump PartsGeek
6L-4714Panel - Air Cleaner Filter1Air filter PartsGeek FridayParts $117.99
6L-7816Seal - o-Ring1Seal PartsGeek
9H-2256Pump Gp1Pump PartsGeek FridayParts $29.99
102-1561Lifter As - Valve1Service part / kit PartsGeek
10R7754Overhaul Kit with Reman Heads and Cylinder Packs D398Service part / kit PartsGeek
1A-2846Cap As - Filler1Service part / kit PartsGeek
1F-2254Bushing - Stem1Service part / kit PartsGeek
1P-1758Bushing - Stem1Service part / kit PartsGeek
1S-5738Insert - Seat Exhaust1Service part / kit PartsGeek
1W-3062Retainer As1Service part / kit PartsGeek
1W-5105Ring Gp - Piston1Service part / kit PartsGeek
2F-5721Bearing - Ball1Service part / kit PartsGeek
2L-4731Adapter - Housing1Service part / kit PartsGeek
2N-9297Retainer - Spring1Service part / kit PartsGeek
2W-3211Valve - Exhaust1Service part / kit PartsGeek
314-8512Case As - Filter1Service part / kit PartsGeek
3248857Overhaul Kit with Reman HeadsService part / kit PartsGeek
3F-7445Bearing - Sleeve1Service part / kit PartsGeek
3L-1425Bearing - Ball1Service part / kit PartsGeek
5L-8856Coupling - Exhaust1Service part / kit PartsGeek
5L-9370Elbow - Manifold Inlet1Service part / kit PartsGeek
5L-9371Connector - Inlet1Service part / kit PartsGeek
5L-9738Coupling - Exhaust1Service part / kit PartsGeek
5N-2691Elbow - Air Transfer1Service part / kit PartsGeek
5N-2692Elbow - Air Transfer1Service part / kit PartsGeek
5N-3050Elbow - Outlet1Service part / kit PartsGeek
5P-7807Bearing - Ball1Service part / kit PartsGeek
5S-1757Insert - Seat1Service part / kit PartsGeek
5S-4557Bearing1Service part / kit PartsGeek
6H-3217Shaft As - Rocker1Service part / kit PartsGeek
6H-3957Bearing - Ball1Service part / kit PartsGeek
6L-6481Elbow - Air Inlet1Service part / kit PartsGeek
6L-6482Elbow - Air Outlet1Service part / kit PartsGeek
6L-6491Pipe - Crossover1Service part / kit PartsGeek
8M-0874Plunger As - Valve1Service part / kit PartsGeek
8M-2549Rod As - Connector1Service part / kit PartsGeek
8M-4014Insert - Seat Exhaust1Service part / kit PartsGeek
8N-2275Bearing - Sleeve1Service part / kit PartsGeek
8N-3723Valve - Exhaust1Service part / kit PartsGeek
8N-7769Bearing - Conn Rod1Service part / kit PartsGeek
8N-7770Bearing - Conn Rod1Service part / kit PartsGeek
8N-7771Bearing - Conn Rod1Service part / kit PartsGeek
8N-7780Shield - Oil1Service part / kit PartsGeek
8N-9174Liner - Cylinder1Service part / kit PartsGeek
8S-3617Chamber As1Service part / kit PartsGeek
9K-8757Rod End - Bearing1Service part / kit PartsGeek
9S-8493Bolt - Connecting Rod1Service part / kit PartsGeek
D379Oil coolerService part / kit PartsGeek
D398Jacket water pumpService part / kit PartsGeek
D399Air-driven prelube pump (D399)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

RatingLoadL/hgal/h
Prime
Standby

Available documents

Engine spec — Caterpillar Marine Engines Application and Installation Guide (Caterpillar)Engine spec — lehw4198 (Caterpillar)Spec sheet — lehw4216 (Caterpillar)Parts manual (Caterpillar)Parts manual — CatClassicPartsBook PECJ0051-03 (Caterpillar)Parts manual — KMP-Brand®Parts-Guide-Suitable-for-Caterpillar®By-Product (Caterpillar)Parts manual — PEHJ0206-01 (Caterpillar)Parts manual — d223b937-416b-4ee3-baa8-805f5146103a (Caterpillar)Service manual — PEHJ0222 (Caterpillar)