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Caterpillar D399 Generator Set

The Caterpillar D399 is a 906 kW (1500 kVA) prime generator set powered by a Caterpillar D399 engine. It holds about 536 L (141.6 gal) of oil and 203 L (53.6 gal) of coolant. The set weighs about 15273 kg (33671 lb).

64.4 L
Displacement
536.0 L
Oil capacity
4
Document types

How to read your Caterpillar serial & model number →

Specifications

Standby kVA1500
Prime power906 kW
Oil capacity536.0 L
AlternatorSR4 (Class F insulation)
Dry weight15273 kg

Engine

Caterpillar D399
Oil capacity536.0 L
Coolant capacity203.0 L
Displacement64.4 L
AspirationTA
Rated speed1200 rpm

Common questions

What engine does the Caterpillar D399 use?

The Caterpillar D399 is powered by the Caterpillar D399 engine.

What is the oil capacity of the Caterpillar D399?

The Caterpillar D399 engine in the Caterpillar D399 has an oil capacity of 536.0 liters.

What alternator does the Caterpillar D399 use?

The Caterpillar D399 uses a SR4 alternator. Insulation class F.

Parts

69
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
311-9444Pump 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
314-8527Gasket - ChamberGasket PartsGeek
314-8532Panel - Air Cleaner Filter1Air filter PartsGeek
314-8540Seal - Oil1Seal PartsGeek
314-8541Seal - o-RingSeal PartsGeek
314-8542Seal - o-Ring1Seal PartsGeek
5N-2902Seal - Oil1Seal PartsGeek
5N-4378Shaft As - Pump1Pump PartsGeek
6L-4714Panel - Air Cleaner Filter1Air filter PartsGeek FridayParts $117.99
6L-7816Seal - o-Ring1Seal PartsGeek
7L-0104Impeller - Pump1Impeller PartsGeek
9H-2256Pump Gp1Pump PartsGeek FridayParts $29.99
102-1561Lifter As - Valve1Service part / kit PartsGeek
10R7752Overhaul Kit with Reman Heads and Cylinder Packs D399Service 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
3248855Overhaul KitService part / kit PartsGeek
3F-7445Bearing - Sleeve1Service part / kit PartsGeek
3L-1425Bearing - Ball1Service 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
6L-6481Elbow - Air Inlet1Service part / kit PartsGeek
6L-6482Elbow - Air Outlet1Service part / kit PartsGeek
6L-6491Pipe - Crossover1Service part / kit PartsGeek
6L-8585Gear - Gov Drive1Service part / kit PartsGeek
6L-8968Coupling - Exhaust1Service part / kit PartsGeek
6N-8847Guide - Valve1Service part / kit PartsGeek
7B-2420Ferrule - Director1Service part / kit PartsGeek
7M-4603Body - Fuel Valve1Service part / kit PartsGeek
7M-4926Retainer - Pin1Service 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-7780Shield - Oil1Service part / kit PartsGeek
8N-9174Liner - Cylinder1Service part / kit PartsGeek
8S-3617Chamber As1Service part / kit PartsGeek
9S-8493Bolt - Connecting Rod1Service part / kit PartsGeek
D399Air-driven prelube pump (D399)Service part / kit PartsGeek
PEHJ0188Air, Manifold, & Outlet ElbowsService 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

Available documents

Engine spec — Caterpillar Marine Engines Application and Installation Guide (Caterpillar)Engine spec — lehw4198 (Caterpillar)Spec sheet — 22662-CATERPILLAR-D399-1300-hp-@-1200-RPMSpec sheet — 22663-CATERPILLAR-D399-1300-hp-@-1200-RPMSpec 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 — PEHP9565-07 (Caterpillar)Parts manual — d223b937-416b-4ee3-baa8-805f5146103a (Caterpillar)Service manual — PEHJ0222 (Caterpillar)