Service parts for the 12V4000 G23
Grouped by system, with how many of each the parts manual calls for.
Belts
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Standby power | 1420 kW |
|---|---|
| Dry weight | 6200 kg |
Common questions
What is the power rating of the MTU 12V4000 G23?
The MTU 12V4000 G23 is rated 1420 kW standby.
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 12V4000 G23 troubleshooting guide (79 entries) →
Repair guides
4- Drive Belt Replacement - Battery-charging Generator Drive
- Engine Wiring Check
- Engine Governor and Connectors Cleaning
- Engine Governor Plug-in Connections Check
Step-by-step procedures compiled from the MTU service manual for this model.
Parts
8| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 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 |
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.
Available documents
Service manual — MTU Diesel Engine Operating Instructions 12V4000 16V4000 2008 (MTU)