Service parts for the SD900
Grouped by system, with how many of each the parts manual calls for.
Oil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 900 kW |
| Standby kVA | 1125 |
| Prime power | 810 kW |
| Emissions | Tier 2 |
| Controller | InterliGen NT Display |
| Oil capacity | 180.0 L |
| Alternator | NEMA H |
| Voltage options | 120/208 V, 120/240 V, 277/480 V, 347/600 V |
| Phase | Three-Phase |
| Rated current | 3123 A |
| Power factor | 0.8 |
| Circuit breaker | 3123 A |
| Battery group | 8D |
| Battery voltage | 24 VDC V |
| Battery quantity | 2 |
| Coolant capacity | 76 L |
| Max ambient | N/A °C |
| Dimensions (L×W×H) | 4420×2261×2489 mm |
| Dry weight | 9473 kg |
| Tank runtime | N/A hr |
Engine
| Oil capacity | 200.0 L |
|---|---|
| Coolant capacity | 401.0 L |
| Displacement | 2265.0 L |
| Aspiration | Turbocharged, Intercooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Mitsubishi S12H-Y2PTAW-1| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry | — | |||
| Fuel filter | Cartridge | ×4 | — | 200 hr | |
| Oil filter | Cartridge | ×5 | GM13942 | Amazon $60.99 eBay $37.99 | |
| Battery | 8D | ×2 | — | 200 hr | |
| Belt | Rubber-booted engine electrical connections | — | 200 hr | ||
| Coolant | Coolant | 76.3 gal | — | 200 hr | |
| Coolant filter | UV/Ozone resistant hoses | — | 12 hr | ||
| Oil | 200.0 L | — | 200 hr | ||
| Spark plug | Spark Plug | — | 200 hr |
Common questions
What is the power rating of the Generac SD900?
The Generac SD900 is rated 900 kW standby (1125.0 kVA).
What engine does the Generac SD900 use?
The Generac SD900 is powered by the Mitsubishi S12H-Y2PTAW-1 engine.
What fuel does the Generac SD900 use?
The Generac SD900 runs on Diesel.
What's the oil capacity on a Generac SD900?
The Mitsubishi S12H-Y2PTAW-1 engine in the Generac SD900 has an oil capacity of 200.0 liters.
Which alternator is fitted to the Generac SD900?
The Generac SD900 uses a NEMA H alternator.
What oil filter fits the Generac SD900?
The Generac SD900 uses oil filter part number GM13942.
Parts
16| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 0161970SBY | Battery | 1 | Battery | Amazon eBay |
| 01865 | Fuel/Water Filtering System | Fuel filter | Amazon eBay | |
| 18650 | Oil filter | Amazon eBay $24.69 | ||
| 01858 | Engine Oil Recommendations | Service part / kit | Amazon eBay | |
| 01859 | Serial Number Locations | Service part / kit | Amazon eBay | |
| 01860 | GFCI Receptacle and Interior Light Timer | Service part / kit | Amazon eBay | |
| 01861 | Component Locations - Left Side | Service part / kit | Amazon eBay | |
| 01862 | Component Locations - Right Side | Service part / kit | Amazon eBay | |
| 01863 | Control Panel | Service part / kit | Amazon eBay | |
| 01864 | Digital Controller | Service part / kit | Amazon eBay | |
| 01866 | Parallel Setup and Operation | Service part / kit | Amazon eBay | |
| 01867 | Generator Output Connections | Service part / kit | Amazon eBay | |
| 01868 | Voltage Regulator | Service part / kit | Amazon eBay | |
| 01870 | A299X- 68-03 fos! 104 F1035-12045 25-01 | 29 5 | F1805-10020 68-01 fo5 19 | Service part / kit | Amazon eBay | |
| 01871 | Maintenance schedule and basic maintenance tasks for MCG1000MT2 | Service part / kit | Amazon eBay | |
| 01873 | Maintenance schedule and extended maintenance tasks for MCG1000MT2 | Service part / kit | Amazon eBay |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Standby | 25% | 348.26 | 92.0 |
| Standby | 50% | 294.9 | 160.1 |
| Standby | 75% | 233.2 | 61.6 |
| Standby | 100% | 294.9 | 77.9 |
Available documents
Spec sheet — sd900-0l1427 (Generac)Spec sheet — sd900-900kw-diesel-generator-specsheet (Generac)