HomeGeneracGenerac SD025

Generac SD025 Generator Set

The Generac SD025 is a 25 kW (32 kVA) Diesel standby generator set powered by a Perkins SD025 engine. It is available at 120/240 V, 120/208 V, 277/480 V and 346/600 V, single-phase, 60 Hz and rated 104 A. It holds about 5.7 L (1.5 gal) of oil and 9.5 L (2.5 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 1 group-161970 battery at 12 V. The set measures 1930×950×1138 mm (76.0×37.4×44.8 in), weighs about 661 kg (1457 lb) and produces N/A dBA at N/A m. An integrated tank holds N/A L (None gal), roughly N/A hours of runtime.

25 kW
Standby
2.22 L
Displacement
5.7 L
Oil capacity
3
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Specifications

FuelDiesel
Frequency60.0 Hz
Standby power25 kW
Standby kVA32
Prime power23 kW
EmissionsEPA Certified
ControllerH100 Digital
Oil capacity5.7 L
AlternatorK0025124Y21 A0025044N21 (4-pole, Class H insulation)
Voltage options120/240 V, 120/208 V, 277/480 V, 346/600 V
PhaseSingle-Phase
Rated current104 A
Power factor0.8
Circuit breaker104 A
Battery groupSee Battery Index 0161970SBY
Battery voltage12 VDC V
Battery quantity1
Coolant capacity9.5 L
Max ambient50 °C
Dimensions (L×W×H)1930×950×1138 mm
Dry weight661 kg
Tank runtimeN/A hr

Engine

Perkins SD025
Oil capacity10.6 L
Coolant capacity9.5 L
Displacement2.22 L
AspirationTurbocharged
Rated speed1800 rpm

Common questions

How many kW is the Generac SD025?

The Generac SD025 is rated 25 kW standby (32.0 kVA).

What engine does the Generac SD025 use?

The Generac SD025 is powered by the Perkins SD025 engine.

What fuel does the Generac SD025 use?

The Generac SD025 runs on Diesel.

What is the oil capacity of the Generac SD025?

The Perkins SD025 engine in the Generac SD025 has an oil capacity of 10.6 liters.

What alternator comes on the Generac SD025?

The Generac SD025 uses a K0025124Y21 A0025044N21 alternator. It has 4 poles. Insulation class H.

Fuel consumption

RatingLoadL/hgal/h
Standby25%1.03.0
Standby50%3.21.2
Standby75%6.11.6
Standby100%7.92.1

Available documents

Engine spec — 0169520SBY (Generac)Engine spec — 0k5084-sd025 (Generac)Spec sheet — sd025-25kw-diesel-generator-specsheet (Generac)Reference — 0172140SBY (Generac)