Specifications
| Frequency | 50.0 Hz |
|---|---|
| Standby power | 2200 kW |
| Emissions | TA-Luft |
| Controller | ADEC |
| Oil capacity | 390.0 L |
| Voltage options | 12 V |
| Phase | 4000 |
Engine
| Oil capacity | 390.0 L |
|---|---|
| Coolant capacity | 205.0 L |
| Displacement | 4.77 L |
| Aspiration | TA-Luft |
| Rated speed | 1500 rpm |
Maintenance & consumables
for the MTU 20V 4000 G23| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 6000 hr | find | ||
| Fuel filter | — | 5000 hr | find | ||
| Oil filter | F30379104 | 2 hr | PartsGeek | ||
| Belt | — | 3000 hr | find | ||
| Coolant | 205.0 l | — | |||
| Coolant filter | — | find | |||
| Oil | F30027337 | 100 hr | PartsGeek |
Common questions
What is the power rating of the MTU 20 V 4000 G23?
The MTU 20 V 4000 G23 is rated 2200 kW standby.
What engine does the MTU 20 V 4000 G23 use?
The MTU 20 V 4000 G23 is powered by the MTU 20V 4000 G23 engine.
What is the oil capacity of the MTU 20 V 4000 G23?
The MTU 20V 4000 G23 engine in the MTU 20 V 4000 G23 has an oil capacity of 390.0 liters.
Troubleshooting
80Fault codes
| Code | Meaning | Cause | Remedy |
|---|---|---|---|
| SEO03 nd11 231 | High Temperature | Contact Service. | |
| 003 | Fuel temperature too high. | Contact Service. | |
| 004 | Fuel temperature too high; engine shutdown. | Contact Service. | |
| 005 | Charge-air temperature too high. | Reduce power, Check intercooler. | |
| 006 | Charge-air temperature too high; engine shutdown. | Reduce power, Check intercooler. | |
| 009 | Coolant temperature in intercooler too high. | Reduce power. | |
| 010 | Coolant temperature in intercooler too high; engine shutdown. | Reduce power. | |
| 015 | Lube oil pressure too low. | Contact Service. | |
| 016 | Lube oil pressure too low; engine shutdown. | Check oil level, top up as necessary (> Page 169). Attempt to restart engine (-» Page 55). | |
| 019 | Exhaust gas temperature (A-side) too high. | Check cabling (— Page 194), Contact Service. | |
| 020 | Exhaust gas temperature (A-side) too high; engine shutdown. | Check cabling (— Page 194), Contact Service. | |
| 021 | Exhaust gas temperature (B-side) too high. | Check cabling (— Page 194), Contact Service. | |
| 022 | Exhaust gas temperature (B-side) too high; engine shutdown. | Check cabling (— Page 194), Contact Service. | |
| 023 | Coolant level too low. | Check coolant level in expansion tank (— Page 176). | |
| 025 | Oil filter differential pressure too high. | Replace oil filter (— Page 173). | |
| 027 | Leak-fuel level too high. | Check fuel system, Contact Service. | |
| 029 | Idle speed of ETC 2 too high. | Contact Service. | |
| 030 | Engine Speed reduced. | Acknowledge alarm, Attempt to restart engine. | |
| 031 | Speed of primary turbocharger too high. | Contact Service. | |
| 33 | Fuel filter differential pressure too high. | Replace fuel filter (— Page 153). | |
| 036 | HI ETC 2 Overspeed | Reduce power. Contact Service. | |
| 037 | SS ETC 2 Overspeed | Reduce power. Contact Service. | |
| 038 | AL ETC Speed Deviation | Synchronization fault between primary turbocharger and one of the secondary turbochargers. | Reduce power. Contact Service. |
| 039 | AL ETC 2 Cutin Failure | Reduce power. Contact Service. | |
| 044 | LO Coolant Level Intercooler | Check coolant level (— Page 184). | |
| 051 | HI T-Lube Oil | Reduce power. | |
| 052 | SS T-Lube Oil | Reduce power. Check engine oil level (— Page 169). | |
| 057 | LOP-Coolant | Check coolant circuit. | |
| 058 | SS P-Coolant | Automatic engine shutdown. Check coolant level (— Page 176). | |
| 059 | SS T-Coolant L3 | Allow engine to cool down; Check coolant cooler, clean if necessary. Contact Service. | |
| 060 | SS T-Coolant L4 | Allow engine to cool down; Check coolant cooler, clean if necessary. Contact Service. | |
| 063 | HI P-Crankcase | Reduce power. Replace oil separator element (— Page 138). | |
| 064 | SS P-Crankcase | Replace oil separator element (— Page 138). Contact Service. | |
| 065 | LO P-Fuel | Check fuel lines for leaks. Clean fuei prefilter (— Page 154). Flush fuel prefilter (+ Page 158). Replace filter element of fuel prefilter (> Page 160). Replace fuel filter (— Page 153). | |
| 066 | SS P-Fuel | Check fuel lines for leaks. Clean fuel prefilter (— Page 154). Flush fuel prefilter (—+ Page 158). Replace filter element of fuel prefilter (— Page 160). Replace fuel filter (=> Page 153). | |
| 067 | Hi T-Coolant | Reduce power. | |
| 068 | SS T-Coolant | Allow engine to cool down; Check coolant cooler, clean if necessary. Restart engine (— Page 59) Contact Service. | |
| 081 | AL Rail Leakage | Contact Service. | |
| 082 | HI P-Fuel (Common Rail) | Contact Service. | |
| 083 | LO P-Fuel (Common Rail) | Contact Service. | |
| 085 | HI T-Recirculation | Reduce power. | |
| 089 | SS Engine Speed too Low | Check for additional messages. | |
| 090 | SS Starter Speed Not Reached | Contact Service. | |
| 091 | SS Release Speed Not Reached | Contact Service. | |
| 093 | SS T-Preheat | Check preheater. | |
| 094 | LO T-Preheat | Check preheater. | |
| 095 | AL Prelubrication Fault | Check oil priming system. | |
| 102 | AL Consumption Meter Faulty | Contact Service. | |
| 104 | AL Eng Hours Counter Defect | ||
| 442 - AL L2 P-Aux 1 | Pressure signal of Aux 1 has exceeded / not attained limit value 2, depending on configuration. | Sensor defect of injector power stage; internal fault of engine governor. | Replace ECU. |
| 445 | Ambient air pressure sensor faulty. | Replace ECU. | |
| 448 | Charge-air pressure too high. | Contact Service. | |
| 450 | Input signal for idle/end torque faulty; short circuit or wire break. | Check signal transmitter and cabling, replace as necessary. Error cleared after restarting the engine. | |
| 454 | Power reduction is active. | Note further fault messages. Determine and rectify reason for power reduction. | |
| 460 | EMU exhaust gas temperature value too high. | Check cabling. Contact Service. | |
| 461 | EMU exhaust gas temperature value too low. | Check cabling. Contact Service. | |
| 462 | EMU coolant temperature value too high / low. | Check configuration with DiaSys. | |
| 464 - SD P-AUX 1 | Analog pressure input signal for Aux 1 faulty; short circuit or wire break. | Check pressure transmitter and cabling, replace as necessary. Error cleared after restarting the engine. | |
| 467 - AL L2 T-Aux 1 | Temperature signal of Aux 1 has exceeded / not attained limit value 2, depending on configuration. | Determine and rectify reason for limit value violation. | |
| 468 - SD T-AUX 1 | Analog input for Aux 1 temperature faulty. | Replace ECU. | |
| 469 - SD AUX 1 | Analog input signal for Aux 1 faulty; short circuit or wire break. | Check signal transmitter and cabling, replace as necessary. | |
| 470 | Temperature sensor for ECU faulty; short circuit or wire break. | Check sensor and cabling, replace as necessary. Error cleared after restarting the engine. | |
| 471 -- SD Coil Current | Control circuit for suction restrictor faulty; short circuit or wire break. | Check sensor and cabling, replace as necessary. Error cleared after restarting the engine. | |
| 472 | Engine shutdown, since all shutdown channels have 'sensor faulty’. | Check cabling. Contact Service. | |
| 473 - AL Cabling PWM_CM2 | Cable break or short circuit on channel PWM_CM2. | Check cabling. Contact Service. | |
| 474 | Cable break or short circuit on channel FO. | Check cabling. Contact Service. | |
| 475 | Tripped by crash recorder triggering due to engine shutdown. | Determine and rectify cause of triggering / engine shutdown. | |
| 476 | Crash recorder initialization error. | Check setting with DiaSys. | |
| 478 | Combined alarm YELLOW from plant. | Note further fault messages. | |
| 479 | Combined alarm RED from plant. | Note further fault messages. | |
| 480 -- AL Ext. Engine Protection | External engine protection function is active. Monitoring of plant signal by ECU is active (plant-side). Check plant Signal. | ||
| 482 | Exhaust temperature sensor on A-side faulty; short circuit or wire break. | Check sensor and cabling (B4.23), replace as necessary. | |
| 484 | Exhaust gas temperature (C-side) too high. | Reduce power. Contact Service. | |
| 485 | Exhaust gas temperature (C-side} too high. | Reduce power. | |
| 99 | Lube-oil temperature before engine, shutdown | ||
| 101 | Lube-oil temperature before engine, shutdown | ||
| 401 | Lube oil pressure before engine, shutdown | ||
| SEO03 | Nd11 231 | Contact Service. | |
| 026 | HI P-Diff Lube Oil | Replace oil filter (— Page 173). | |
| 032 | SS ETC 1 overspeed | 1. Automatic power reduction by engine control system. 2. Check air filters (— Page 164). |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
35| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 0015384230 | Torque wrench, 0.5-5 Nm | 1 | Tool | PartsGeek |
| 01200210a | Gasket | 1 | Gasket | PartsGeek |
| 04000047a | Sealing ring, Injector | 1 | Gasket | PartsGeek |
| 07500159b | Adapter, Injector | 1 | Adapter | PartsGeek |
| 07500160a1 | Cable connector, Injector | 1 | Connector | PartsGeek |
| 07500211a | Screw, Injector hold-down clamp (1) | 1 | Fastener | PartsGeek |
| 07500220a | O-rings (2) and damping ring (3), Injector | 3 | Gasket | PartsGeek |
| 07600211a | Injector | 1 | Injector | PartsGeek |
| 08300029b | Gasket | 1 | Gasket | PartsGeek |
| 08300126a | Easy-change filter | 1 | Filter | PartsGeek |
| 20200220a | Disconnect pump and hose. | 1 | Hose | PartsGeek |
| 2020161 | Air filter | 1 | Air filter | PartsGeek |
| 20300173a | Coolant filter | 1 | Coolant filter | PartsGeek |
| 20300176a | Charge-air coolant pump — Relief bore check | 1 | Pump | PartsGeek |
| 21300116a | Drive belt condition check | 1 | Belt | PartsGeek |
| 21300167a | Battery-charging generator drive — Drive belt tension adjustment | 1 | Belt | PartsGeek |
| 21300167b | Battery-charging generator drive — Drive belt replacement | 1 | Belt | PartsGeek |
| 30380 | Cleaner (Hakupur 312) | 1 | Cleaner | PartsGeek |
| 40477 | Assembly paste (Optimoly Paste White T) | 1 | Fluid | PartsGeek FridayParts $314.60 |
| 50701513a | Temperature sensors for single exhaust gas B4.1 to B4.8 (engine side A) | Sensor | PartsGeek | |
| 507015144 | Temperature sensors for single exhaust gas B4.11 to B4.18 (engine side B) | Sensor | PartsGeek | |
| 507015174 | Injectors Y39.1 to Y39.8, engine side A (underneath the cylinder head covers of the cylinders) | Injector | PartsGeek | |
| F30027336 | Torque wrench, 6-50 Nm | 4 | Tool | PartsGeek |
| F30027340 | Ratchet adapter | 1 | Tool | PartsGeek |
| F30047446 | Torque wrench, 60-320 Nm | 2 | Tool | PartsGeek |
| F30452578 | Slotted nut driver, 0.5-5 Nm | 1 | Tool | PartsGeek |
| F30452739 | Milling cutter | 1 | Tool | PartsGeek |
| F30510423 | Torque wrench, 10-60 Nm | 4 | Tool | PartsGeek |
| F6789889 | Installation/removal tool for injector | 1 | Tool | PartsGeek |
| W1005 | Air filter | Air filter | Amazon eBay $16.07 PartsGeek | |
| W1006 | Fuel injectors | Fuel injectors | PartsGeek | |
| W1008 | Engine oil filter | Engine operation | Amazon eBay $589.99 PartsGeek | |
| W1011 | Cylinder chambers | Cylinder chambers | PartsGeek | |
| X00029933 | Grease (Kluthe Hakuform 30-10/Emulgier) | 1 | Fluid | PartsGeek |
| 20300174a | Sealing ring | 1 | Service part / kit | PartsGeek |
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 | |||
| Standby |
Available documents
Reference — MTU REACH SVHC 2025-09-19-EN final (MTU)Owner's manual — tp6605 (MTU)