Service parts for the MD750
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 | 750 kW |
| Standby kVA | 938 |
| Prime power | 675 kW |
| Emissions | Tier 2 |
| Controller | InteliGen NT Display |
| Oil capacity | 100.0 L |
| Alternator | Standard Model |
| Voltage options | 120/208 V, 120/240 V, 277/480 V, 347/600 V |
| Phase | Three-Phase |
| Rated current | 2255 A |
| Power factor | 0.8 |
| Circuit breaker | 2255 A |
| Battery group | 8D |
| Battery voltage | 12 V |
| Battery quantity | 2 |
| Coolant capacity | 61 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 4565×2098×2398 mm |
| Dry weight | 10204 kg |
| Fuel tank | 800.0 L |
| Tank runtime | 12 hr |
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 size generator is the Generac MD750?
The Generac MD750 is rated 750 kW standby (938.0 kVA).
What engine does the Generac MD750 use?
The Generac MD750 is powered by the Mitsubishi S12A2-Y2PTAW-2 engine.
What kind of fuel does the Generac MD750 run on?
The Generac MD750 runs on Diesel.
What is the oil capacity of the Generac MD750?
The Mitsubishi S12A2-Y2PTAW-2 engine in the Generac MD750 has an oil capacity of 26.4 liters.
What alternator does the Generac MD750 use?
The Generac MD750 uses a Standard Model alternator.
What oil filter does the Generac MD750 use?
The Generac MD750 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% | 73.1 | 19.3 |
| Standby | 50% | 121.9 | 32.2 |
| Standby | 75% | 177.1 | 46.8 |
| Standby | 100% | 246.8 | 65.2 |
Available documents
Spec sheet — Generac 750kW MD750 Diesel Generator 33.9L (Generac)Spec sheet — md750-0l1425a (Generac)