Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 114 kW |
| Standby kVA | 114 |
| Prime power | 108 kW |
| Emissions | Tier IV Final |
| Controller | Power Zone |
| Oil capacity | 32.5 L |
| Voltage options | 120 V, 240 V, 473 V, 208 V, 450 V, 277 V, 480 V, 503 V, 416 V |
| Circuit breaker | 600 A |
| Battery group | 31 |
| Battery cranking | 1000 CCA |
| Battery voltage | 12VDC V |
| Battery quantity | 1 |
| Coolant capacity | 42 L |
| Max ambient | 49 °C |
| Dimensions (L×W×H) | 3683×1524×2159 mm |
| Dry weight | 2820 kg |
| Fuel tank | 343.0 L |
| Tank runtime | 39 hr |
Engine
| Oil capacity | 32.5 L |
|---|---|
| Coolant capacity | 42.0 L |
| Displacement | 6.8 L |
| Aspiration | Turbocharged and Aftercooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the John Deere 6068HFG05| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Disposable air filter – paper element | — | find | ||
| Fuel filter | Fuel Filtering (microns) | ×2 | — | 1500 hr | find |
| Oil filter | Oil Filter Type | — | 500 hr | find | |
| Belt | Fan Type | — | find | ||
| Coolant | Cooling System Capacity – gal (L) | 11.0 L | — | 6000 hr | |
| Oil | Crankcase Capacity – qts (L) | 34.3 L | — | 500 hr |
Compatible filters for the John Deere 6068HFG05 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.
- Air filter: John Deere AR79680 John Deere 4S00686R John Deere AH115833 John Deere RE181915 John Deere F434389J
- Oil filter: John Deere RE519987 John Deere RE555072 John Deere DZ118286 John Deere AR58956 John Deere TCA10018
Common questions
What is the power rating of the Generac MDG150?
The Generac MDG150 is rated 114 kW standby (114.0 kVA).
What engine does the Generac MDG150 use?
The Generac MDG150 is powered by the John Deere 6068HFG05 engine.
What fuel does the Generac MDG150 use?
The Generac MDG150 runs on Diesel.
What is the oil capacity of the Generac MDG150?
The John Deere 6068HFG05 engine in the Generac MDG150 has an oil capacity of 32.5 liters.
Troubleshooting
4Symptoms & remedies
| Symptom | Remedy |
|---|---|
| Low Load indicator LED is illuminated. | Resolve by increasing electrical load. If unable to operate genset at more than 30% load, use a smaller generator. |
| Lug Door Open indicator LED is illuminated. | Resolve by closing lug-box door. If condition remains unresolved, inspect lug-box door safety switch for proper operation. |
| Emergency Stop indicator LED is illuminated. | Resolve by deactivating (pulling out) Emergency Stop switch. |
| Shutdown indicator LED is illuminated. | Resolve by resolving shutdown condition. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
17| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 002806 | Remote Start Terminal Block | Remote start terminal block | buy | |
| 002858a | Low Idle Switch | Low idle switch | buy | |
| 011064 | Cold Weather Operation | Cold weather operation | buy | |
| 011134 | Engine exhaust | Engine exhaust | buy | |
| 011135 | Generator box | Generator box | buy | |
| 10000037182 | Clamp, hose - spring type CTB-27ST | 6 | Hose | buy |
| 50332 | Hose, fuel .750 ID 35 PSI SAE 30R7 | 1 | Hose | buy |
| 60316 | Clamp, hose SAE 032 (1.56 -2.50) | 3 | Hose | buy |
| 003574 | Unit Serial Number Locations | Service part / kit | buy | |
| 004866 | A 20 A circuit breakers B 50 A circuit breaker (3 locations) C 120/240 V twist-lock receptacle (3 locations) D 120 V GFCI receptacle (2 locations) | Service part / kit | buy | |
| 006429 | Owner’s Manual for Mobile Generator | Service part / kit | buy | |
| 011068 | Status: Generator at Rest, Stop Mode, 22:31 | Service part / kit | buy | |
| 011136 | DANGER Electrocution. Do not disable or modify the connection box door safety switch. | Service part / kit | buy | |
| 51551 | Decal set, safety | 1 | Service part / kit | buy |
| 51552 | Decal, high temp | 2 | Service part / kit | buy |
| 54005 | Cap, DEF fill | 1 | Service part / kit | buy |
| 55104 | Cap, fuel fill 3.50 - green | 1 | Service part / kit | dieselpartscenter $22.28 |
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 |
|---|---|---|---|
| Prime | 25% | 12.9 | |
| Prime | 50% | 19.9 | |
| Prime | 75% | 26.9 | |
| Prime | 100% | 33.0 | |
| Standby | 25% | 13.6 | |
| Standby | 50% | 22.0 | |
| Standby | 75% | 29.5 | |
| Standby | 100% | 36.0 |
Available documents
Spec sheetOwner's manualParts manual