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Generac SD500 Generator Set

The Generac SD500 is a 500 kW (625 kVA) Diesel standby generator set powered by a Perkins 15.2L engine. It is available at 120/208 V, 120/240 V, 277/480 V and 346/600 V, 3-phase, 60 Hz and rated 1735 A. It holds about 45 L (11.9 gal) of oil and 586 L (154.8 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 2 group-27 batteries rated 700 CCA at 12 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
15.2 L
Displacement
45.0 L
Oil capacity
4
Document types

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Specifications

FuelDiesel
Frequency60.0 Hz
Standby power500 kW
Standby kVA625
Prime power450 kW
EmissionsStationary Emergency
ControllerPowerZone Pro Sync
Oil capacity45.0 L
AlternatorK0500124Y23 (4-pole, Class H insulation)
Voltage options120/208 V, 120/240 V, 277/480 V, 346/600 V
Phase3
Rated current1735 A
Power factor0.8
Circuit breaker1504 A
Battery groupGroup 27F
Battery cranking700CCA, 90AH CCA
Battery voltage12 V
Battery quantity2
Coolant capacity586 L
Max ambient50 °C
Dimensions (L×W×H)151×70×63 mm
Dry weight4733 kg
Sound level75.0 dBA @ 1 m
Fuel tank83.7 L
Tank runtime75 hr

Engine

Perkins 15.2L
Oil capacity38.0 L
Coolant capacity49.0 L
Displacement15.2 L
AspirationTurbocharged/Intercooled
Rated speed1800 rpm

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
Coolant50/50 Ethylene Glycol Antifreeze586.0 LCoolant System Capacity
FuelUltra Low Sulfur Diesel #2

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

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 Perkins 15.2L engine.

Is the Generac SD500 diesel or gas?

The Generac SD500 runs on Diesel.

How much oil does the Generac SD500 take?

The Perkins 15.2L engine in the Generac SD500 has an oil capacity of 38.0 liters.

How much coolant does the Generac SD500 hold?

The Generac SD500 cooling system holds 586 liters (154.8 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the continuous rating of the Generac SD500?

The Generac SD500 is rated 450 kW prime (563 kVA), against 500 kW standby.

What is the sound level of the Generac SD500?

The Generac SD500 is rated at 75.0 dBA at 1 m, per the manufacturer specification sheet.

What is the dry weight of the Generac SD500?

The Generac SD500 has a dry weight of 4733 kg (10434 lb).

How big is the fuel tank on the Generac SD500?

The Generac SD500 has a 83.7 liter (22 US gallon) fuel tank, giving about 75 hours of runtime.

What voltages is the Generac SD500 available in?

The Generac SD500 is offered in 120/208 V, 120/240 V, 277/480 V, 346/600 V, 3-phase.

What battery does the Generac SD500 use?

The Generac SD500 uses 2 batteryies, 12 V each, 700CCA, 90AH CCA, group Group 27F, per the manufacturer specification sheet.

What alternator comes on the Generac SD500?

The Generac SD500 uses a K0500124Y23 alternator. It has 4 poles. Insulation class H.

Fuel consumption

RatingLoadL/hgal/h
Standby25%36.39.6
Standby50%69.818.45
Standby75%94.2524.9
Standby100%117.731.1

Available documents

Engine spec — 0173620SBY (Generac)Spec sheet — 0184660SBY (Generac)Spec sheet — 0197160sby-b-sd500-15-2l-perkins (Generac)Spec sheet — Generac-SD0500-spec-sheet (Generac)Spec sheet — Generac 500kW SD500 Diesel Generator MPS 15.2L (Generac)Spec sheet — sd500-500kw-diesel-generator-mps-specsheet (Generac)Reference — 0165890SBY (Generac)Service manual — Wiring Diagrams (Generac)

This page was generated from the 8 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.

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