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Home›Generac›Generac SD400 | 12.5L | 400 kW I NDUSTRIAL DIESEL GENERATOR SET

Generac SD400 | 12.5L | 400 kW I NDUSTRIAL DIESEL GENERATOR SET Generator Set

The Generac SD400 | 12.5L | 400 kW I NDUSTRIAL DIESEL GENERATOR SET is a 400 kW (500 kVA) Diesel standby generator set powered by a Perkins 12.5L engine. It is available at 120/208 V, 120/240 V, 277/480 V and 346/600 V, Three-Phase-phase, 60 Hz and rated 1389 A. It holds about 38 L (10.0 gal) of oil and 13 L (3.4 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 2 group-8 batteries at 12 V. The set measures 3493×1463×2661 mm (137.5×57.6×104.8 in) and weighs about 3725 kg (8212 lb).

400 kW
Standby
12.5 L
Displacement
38.0 L
Oil capacity
1
Document types

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Specifications

FuelDiesel
Frequency60.0 Hz
Standby power400 kW
Standby kVA500
Prime power360 kW
EmissionsEPA Certified Stationary Emergency
ControllerDigital H Control Panel - Dual 4x20 Display
Oil capacity38.0 L
AlternatorGenerac 520
Voltage options120/208 V, 120/240 V, 277/480 V, 346/600 V
PhaseThree-Phase
Rated current1389 A
Power factor0.8
Circuit breaker1389 A
Battery group8D
Battery voltage12 VDC V
Battery quantity2
Coolant capacity13 L
Max ambient50 °C
Dimensions (L×W×H)3493×1463×2661 mm
Dry weight3725 kg
Tank runtime34 hr

Engine

Perkins 12.5L
Oil capacity38.0 L
Coolant capacity13.0 L
Displacement12.5 L
AspirationTurbocharged/Aftercooled
Rated speed1656 rpm

Common questions

What is the power rating of the Generac SD400 | 12.5L | 400 kW I NDUSTRIAL DIESEL GENERATOR SET?

The Generac SD400 | 12.5L | 400 kW I NDUSTRIAL DIESEL GENERATOR SET is rated 400 kW standby (500.0 kVA).

What engine does the Generac SD400 | 12.5L | 400 kW I NDUSTRIAL DIESEL GENERATOR SET use?

The Generac SD400 | 12.5L | 400 kW I NDUSTRIAL DIESEL GENERATOR SET is powered by the Perkins 12.5L engine.

What fuel does the Generac SD400 | 12.5L | 400 kW I NDUSTRIAL DIESEL GENERATOR SET use?

The Generac SD400 | 12.5L | 400 kW I NDUSTRIAL DIESEL GENERATOR SET runs on Diesel.

What is the oil capacity of the Generac SD400 | 12.5L | 400 kW I NDUSTRIAL DIESEL GENERATOR SET?

The Perkins 12.5L engine in the Generac SD400 | 12.5L | 400 kW I NDUSTRIAL DIESEL GENERATOR SET has an oil capacity of 38.0 liters.

What alternator does the Generac SD400 | 12.5L | 400 kW I NDUSTRIAL DIESEL GENERATOR SET use?

The Generac SD400 | 12.5L | 400 kW I NDUSTRIAL DIESEL GENERATOR SET uses a Generac 520 alternator.

Fuel consumption

RatingLoadL/hgal/h
Standby25%37.19.8
Standby50%63.216.7
Standby75%87.423.1
Standby100%105.427.8

Available documents

Spec sheet — sd400-400kw-diesel-generator-mps-specsheet (Generac)

Other sets with this engine

Generac MD400