Service parts for the MD800
Grouped by system, with how many of each the parts manual calls for.
Prices 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 | 800 kW |
| Standby kVA | 1000 |
| Prime power | 720 kW |
| Emissions | Tier 2 |
| Controller | InterliGen NT Display |
| Oil capacity | 100.0 L |
| Alternator | 800kW, 125°C, NEMA H |
| Voltage options | 277 V, 240 V, 120 V |
| Phase | 3 |
| Rated current | 2776 A |
| Power factor | 0.8 |
| Battery group | 8D |
| Battery voltage | 24 V |
| Battery quantity | 2 |
| Coolant capacity | 61 L |
| Max ambient | 40 °C |
| Dimensions (L×W×H) | 4369×2083×2362 mm |
| Dry weight | 8501 kg |
Engine
| Oil capacity | 26.4 L |
|---|---|
| Coolant capacity | 26.4 L |
| Displacement | 33.93 L |
| Aspiration | Turbo-charged, InterCooler |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Mitsubishi S12A2-Y2PTAW-2| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry | — | 2000 hr | ||
| Fuel filter | Cartridge | ×3 | — | 2000 hr | |
| Oil filter | Cartridge | ×3 | GM32057 | Amazon eBay $9.99 | |
| Battery | Dual, 24 | ×2 | — | 2000 hr | |
| Belt | Level 1 Fan and Belt Guards | — | 2000 hr | ||
| Coolant | 303.0 L | — | |||
| Coolant filter | Clean Element | — | 2000 hr | ||
| Oil | 120.0 L | — | |||
| Spark plug | Bosch P Type x 2 | — | 2000 hr |
Common questions
What is the power rating of the Generac MD800?
The Generac MD800 is rated 800 kW standby (1000.0 kVA).
What engine is in the Generac MD800?
The Generac MD800 is powered by the Mitsubishi S12A2-Y2PTAW-2 engine.
Is the Generac MD800 diesel or gas?
The Generac MD800 runs on Diesel.
How much oil does the Generac MD800 take?
The Mitsubishi S12A2-Y2PTAW-2 engine in the Generac MD800 has an oil capacity of 26.4 liters.
Which alternator is fitted to the Generac MD800?
The Generac MD800 uses a 800kW, 125°C, NEMA H alternator.
Which oil filter part number does the Generac MD800 take?
The Generac MD800 uses oil filter part number GM32057.
Parts
1| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 057-263 | DSE7410 MKII & DSE7420 MKII Operator Manual | 1 | 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% | 560.2 | 19.3 |
| Standby | 50% | 121.9 | 32.2 |
| Standby | 75% | 177.1 | 46.8 |
| Standby | 100% | 246.8 | 65.2 |
Available documents
Spec sheet — md800-0l1426a (Generac)