HomeGeneracGenerac SD500

Generac SD500 Generator Set

The Generac SD500 is a 500 kW (625 kVA) Diesel standby generator set powered by a Doosan Closed Recovery engine. It is available at 120/240 V, 120/208 V, 277/480 V and 600 V, 3-phase, 60 Hz and rated 1735 A. It holds about 27 L (7.1 gal) of oil and 200 L (52.8 gal) of coolant, with a maximum ambient rating of 122 °C. Starting uses 2 group-27 batteries rated 700 CCA at 24 V. The set measures 151.6×70.9×63 mm (6.0×2.8×2.5 in), weighs about 9902 kg (21830 lb) and produces 8 dBA at 1 m. An integrated tank holds 83.7 L (22.1 gal), roughly 75 hours of runtime.

500 kW
Standby
2.5 L
Displacement
27.0 L
Oil capacity
3
Document types

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Specifications

FuelDiesel
Frequency60.0 Hz
Standby power500 kW
Standby kVA625
Prime power450 kW
EmissionsTier II
ControllerDigital H Control Panel - Dual 4x20 Display
Oil capacity27.0 L
AlternatorWEG (4-pole, Class H insulation)
Voltage options120/240 V, 120/208 V, 277/480 V, 600 V
Phase3
Rated current1735 A
Power factor0.8
Circuit breaker1504 A
Battery groupGroup 27F
Battery cranking700CCA, 90AH CCA
Battery voltage24VDC V
Battery quantity2
Coolant capacity200 (757) L
Max ambient122 (50) °C
Dimensions (L×W×H)151×70×63 mm
Dry weight9902 kg
Sound level75.0 dBA @ 1 m
Fuel tank83.7 L
Tank runtime75 hr

Engine

Doosan Closed Recovery
Oil capacity27.0 L
Coolant capacity200.0 L
Displacement2.5 L
AspirationTurbocharged/Aftercooled
Rated speed1800 rpm

Common questions

How many kW is the Generac SD500?

The Generac SD500 is rated 500 kW standby (625.0 kVA).

What engine is in the Generac SD500?

The Generac SD500 is powered by the Doosan Closed Recovery engine.

Is the Generac SD500 diesel or gas?

The Generac SD500 runs on Diesel.

How much oil does the Generac SD500 take?

The Doosan Closed Recovery engine in the Generac SD500 has an oil capacity of 27.0 liters.

What alternator comes on the Generac SD500?

The Generac SD500 uses a WEG alternator. It has 4 poles. Insulation class H.

Fuel consumption

RatingLoadL/hgal/h
Standby25%39.710.5
Standby50%73.819.5
Standby75%89.723.7
Standby100%118.131.2

Available documents

Engine spec — 0173620SBY (Generac)Spec sheet — 0184660SBY (Generac)Spec sheet — 0197160sby-b-sd500-15-2l-perkins (Generac)Spec sheet — Generac 500kW SD500 Diesel Generator MPS 15.2L (Generac)Spec sheet — sd500-500kw-diesel-generator-mps-specsheet (Generac)Reference — 0165890SBY (Generac)