Service parts for the 12 V 4000 G23
Grouped by system, with how many of each the parts manual calls for.
Fuel system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Frequency | 50.0 Hz |
|---|---|
| Standby power | 1420 kW |
| Emissions | TA-Luft |
| Controller | ADEC |
| Oil capacity | 60.0 L |
| Voltage options | 12 V |
| Phase | 4000 |
| Dry weight | 6200 kg |
Engine
| Oil capacity | 60.0 L |
|---|---|
| Coolant capacity | 160.0 L |
| Displacement | 4.77 L |
| Aspiration | TCI |
| Rated speed | 1500 rpm |
Maintenance & consumables
for the MTU 12V 4000 G23| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | double walled fuel injection pipes with leakage monitoring, Racor 75/1000FHX model duplex pre-filter | 33763 | Amazon $30.19 eBay $29.99 PartsGeek $29.97 | ||
| Oil filter | lube oil filters multi stage | — | |||
| Belt | resilient coupling between engine and generator, air filter mountings and flexible engine-filter connections | — | |||
| Oil | lube oil heat exchanger, lube oil filters multi stage, lube oil centrifuge | — | |||
| Spark plug | individual cylinder heads with exhaust valve rotators “Rotocap” | — |
Common questions
What size generator is the MTU 12 V 4000 G23?
The MTU 12 V 4000 G23 is rated 1420 kW standby.
Which engine powers the MTU 12 V 4000 G23?
The MTU 12 V 4000 G23 is powered by the MTU 12V 4000 G23 engine.
How much oil does the MTU 12 V 4000 G23 take?
The MTU 12V 4000 G23 engine in the MTU 12 V 4000 G23 has an oil capacity of 60.0 liters.
What fuel filter does the MTU 12 V 4000 G23 use?
The MTU 12 V 4000 G23 uses fuel filter part number 33763.
Troubleshooting
6Fault codes
| Code | Meaning | Remedy |
|---|---|---|
| 003 | Preliminary warning: fuel temperature too high. | Contact Service. |
| 004 | Main warning: fuel temperature too high; engine stop. | Contact Service. |
| 005 | Preliminary warning: charge-air temperature too high. | Reduce power. Check intercooler. |
| 006 | Main warning: charge-air temperature too high; engine stop. | Reduce power. Check intercooler. |
| 009 | Preliminary warning: coolant Intercooler temperature in intercooler too low. | Reduce power. |
| 010 | Main warning: charge-air coolant temperature too high; engine stop. | Reduce power. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full MTU 12 V 4000 G23 troubleshooting guide (80 entries) →
Parts
31model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 01200209a | Adjustable pointer | 1 | Sensor | Amazon |
| 01200211a | Sealing ring | 1 | Seal | Amazon |
| 04000115a | O-ring | 1 | O ring | Amazon |
| 075001552 | Sealing ring | 1 | Seal | Amazon |
| 07500158a | Sealing ring | 1 | Seal | Amazon |
| 07500159 | Sealing ring | 1 | Seal | Amazon |
| 07500211a | Screw, Adapter (3) | 1 | Fastener | Amazon eBay |
| 08300029b | Gasket | 1 | Gasket | Amazon eBay |
| 08300126a | Easy-change filter | 1 | Filter | Amazon eBay |
| 1250007 | Rubber sleeve | 1 | Rubber sleeve | Amazon |
| 12V4000Gx3-01 | Engine oil | 6 | Fluid | Amazon eBay |
| 12V4000Gx3-02 | Engine oil filter | Filter | Amazon eBay | |
| 12V4000Gx3-03 | Fuel filter | Filter | Amazon eBay | |
| 12V4000Gx3-04 | Air filter | Filter | Amazon eBay | |
| 12V4000Gx3-05 | Coolant | 6 | Fluid | Amazon eBay |
| 12V4000Gx3-06 | Belt | Belt | Amazon eBay | |
| 12V4000Gx3-07 | Battery | 60 | Battery | Amazon eBay |
| 12V4000Gx3-08 | Spark plug | Spark plug | Amazon eBay | |
| 5605892099/00 | MTU test kit | 1 | Special tools | buy |
| F30025896 | Socket wrench, 17 mm | 1 | Special tools | Amazon |
| F30025897 | Socket wrench, 19 mm | 1 | Special tools | Amazon |
| F30027336 | Torque wrench 6-50 Nm | 1 | Special tools | Amazon eBay |
| F30027341 | Ratchet adapter | 1 | Special tools | Amazon |
| F30039526 | Ring socket, 24 mm | 1 | Special tools | Amazon |
| F6789889 | Installation/removal tool for injector | 1 | Special tools | Amazon eBay |
| 00000705a | Crankcase and attachments | Service part / kit | Amazon eBay | |
| 08000139a | Vent plug | 1 | Service part / kit | Amazon |
| F30006212 | Ratchet | 1 | Service part / kit | Amazon |
| F30047446 | Torque wrench, 60-320 Nm | 1 | Service part / kit | Amazon eBay |
| F30510423 | Torque wrench, 10-60 Nm | 1 | Service part / kit | Amazon eBay |
| F6555766 | Barring tool | 1 | Service part / kit | Amazon eBay |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.