Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 250 kW |
| Standby kVA | 313 |
| Prime power | 225 kW |
| Emissions | Tier III |
| Controller | H100 Digital |
| Oil capacity | 28.0 L |
| Alternator | 520 (4-pole, Class H insulation) |
| Voltage options | 120/208 V, 120/240 V, 277/480 V, 600 V |
| Phase | 3-phase |
| Power factor | 0.8 |
| Battery group | 31 |
| Battery cranking | 995 CCA |
| Battery voltage | 12 VDC V |
| Battery quantity | 2 |
| Coolant capacity | 49.2 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 3250×1357×1460 mm |
| Dry weight | 1926 kg |
| Sound level | 87.0 dBA @ 7 m |
Engine
| Oil capacity | 31.0 L |
|---|---|
| Coolant capacity | 22.0 L |
| Displacement | 11.945 L |
| Aspiration | Turbocharged, Aftercooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Generac 12.0DTA| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 1500 hr | find | ||
| Fuel filter | — | 2000 hr | find | ||
| Oil filter | RE538245 | 2000 hr | PartsGeek kuduparts $16.00 | ||
| Belt | — | 2000 hr | find | ||
| Coolant | — | 3000 hr | |||
| Coolant filter | Coolers, Coolant pump weep hole foam filter | — | 2000 hr | find | |
| Oil | — | 2000 hr |
Compatible filters for the Generac 12.0DTA — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.
- Air filter: John Deere RE587794 John Deere 4S00686R John Deere AH115833 John Deere F071151 John Deere F071150
- Fuel filter: John Deere N378886 John Deere AR103220 John Deere RE522688 John Deere AT365869 John Deere RE539465
Common questions
What is the power rating of the Generac SD250?
The Generac SD250 is rated 250 kW standby (313.0 kVA).
What engine does the Generac SD250 use?
The Generac SD250 is powered by the Generac 12.0DTA engine.
What fuel does the Generac SD250 use?
The Generac SD250 runs on Diesel.
What is the oil capacity of the Generac SD250?
The Generac 12.0DTA engine in the Generac SD250 has an oil capacity of 31.0 liters.
What alternator does the Generac SD250 use?
The Generac SD250 uses a 520 alternator. It has 4 poles. Insulation class H.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 25% | 18.9 | 5.0 |
| Prime | 50% | 36.0 | 9.5 |
| Prime | 75% | 51.1 | 13.5 |
| Prime | 100% | 63.6 | 16.8 |
| Standby | 25% | 20.8 | 5.5 |
| Standby | 50% | 39.4 | 10.4 |
| Standby | 75% | 56.0 | 14.8 |
| Standby | 100% | 70.0 | 18.5 |
Available documents
Brochure — 0159280SBY (Generac)Brochure — 0166950SBY (Generac)Spec sheet — 0159280SBY (Generac)Spec sheet — 0165850SBY (Generac)Spec sheet — 0173300SBY (Generac)Spec sheet — 0185780SBY (Generac)Spec sheet — 0185780sby-c-sd250-8-7l (Generac)Spec sheet — Generac 250kW SD0250 Diesel Generator 8.7L (Generac)Spec sheet — sd0250-250kw-diesel-generator-specsheet (Generac)Spec sheet — sd230-250 2 (Generac)