MTU 12V2000M72 User Manual (English)

Questions and Answers:

C
Christopher GarciaAug 21, 2025
What to do if MTU 12V2000M72 Engine turns on but does not fire?
- T
  Tina GuzmanAug 21, 2025
  If the MTU Engine turns on but doesn't fire, it could be due to poor rotation by the starter or a low/faulty battery; in both cases, charge or replace the battery. Another potential cause is defective engine cabling, which should be checked. Air in the fuel system can also prevent firing, so the fuel system should be vented. Lastly, a defective Engine Control Unit could be the problem, requiring you to contact Service.
A
Alicia FoxAug 23, 2025
Why MTU 12V2000M72 Engine does not reach nominal speed?
- L
  leekellyAug 25, 2025
  If the MTU Engine does not reach nominal speed, it could be due to several reasons. A clogged fuel prefilter or easy-change fuel filter can restrict fuel flow, so replace them. A clogged air filter can also be the cause, so check the signal ring position of the service indicator. A defective fuel injector could be the problem, so replace it. Defective engine cabling can also cause this issue, so check it. Finally, the engine might be overloaded, requiring you to contact Service.
E
Elizabeth EricksonAug 26, 2025
How to fix black exhaust gas from MTU 12V2000M72 Engine?
- C
  Cynthia JacksonAug 26, 2025
  Black exhaust gas from the MTU Engine can be caused by a clogged air filter, so check the signal ring position of the service indicator. It may also be caused by a defective fuel injector, so replace it. Engine overload may also be the cause, in which case you should contact Service.
V
Veronica MurrayAug 27, 2025
What causes unsteady speed of MTU 12V2000M72?
- P
  perezkevinAug 28, 2025
  Unsteady engine speed in your MTU Engine can stem from a few sources. A defective fuel injector could be the culprit, so replace it. The speed transmitter might be defective, requiring you to contact Service. Air in the fuel system can also cause this issue, so vent the fuel system. Lastly, a defective Engine Control Unit could be the problem, requiring you to contact Service.
C
Curtis ChenAug 29, 2025
Why is there white exhaust gas from MTU Engine?
- H
  heathermoralesAug 30, 2025
  White exhaust gas from the MTU Engine can occur if the engine is not at operating temperature, so run the engine until it warms up. It can also indicate water in the fuel, so drain the fuel prefilter. A leaking charge-air cooler can also cause this, requiring you to contact Service.
N
Nicole GalvanSep 1, 2025
What causes MTU 12V2000M72 Engine to fire unevenly?
- A
  Angela MartinSep 1, 2025
  Uneven firing in the MTU Engine may be due to a defective injector, which should be replaced. Another cause could be defective engine cabling, so check it. Air in the fuel system can also lead to this issue, so vent the fuel system. Lastly, a defective Engine Control Unit might be the problem, requiring you to contact Service.
J
jacobmccormickSep 3, 2025
Why is there blue exhaust gas from MTU 12V2000M72?
- K
  kingtammieSep 3, 2025
  Blue exhaust gas from the MTU Engine can be caused by too much engine oil, so drain some oil. A clogged oil separator or oil pre-separator of the crankcase breather can also cause this, so clean the preseparator. Alternatively, the exhaust turbocharger, cylinder head, piston rings, or cylinder liner might be defective, so replace the oil separator element and contact Service.
M
mark81Sep 5, 2025
What causes high charge-air temperature in MTU 12V2000M72?
- B
  Brittany LynchSep 5, 2025
  If the charge-air temperature is too high in your MTU Engine, it may be due to an incorrect coolant concentration, so check it using the MTU test kit. A clogged charge-air cooler can also cause this, requiring you to contact Service. Additionally, a high air-intake temperature in the engine room can be the cause, so check the fans and air supply/ventilation ducts.
C
Christian EnglishSep 7, 2025
What causes low charge-air pressure in MTU Engine?
- A
  aweaverSep 7, 2025
  Low charge-air pressure in the MTU Engine can be caused by a clogged air filter, so check the signal ring position of the service indicator. A contaminated charge-air cooler can also cause this, requiring you to contact Service. Finally, a defective exhaust turbocharger may be the issue, also requiring you to contact Service.
A
Andrew StevensonSep 9, 2025
How to solve water alarm in MTU Engine?
- J
  Jeffrey HuffmanSep 9, 2025
  To address a water alarm in your MTU Engine, press the illuminated 'Water alarm' pushbutton for acknowledgment. You can also drain water manually by pressing the illuminated 'Water drain' pushbutton to open the water drain valve.

MTU 12V2000M72 Specifications

General

Engine Type	Diesel
Configuration	V12
Aspiration	Turbocharged
Fuel Consumption at Rated Power	Approximately 198 g/kWh
Application	Marine

Summary

Operating Instructions

Safety

Important Provisions for All Products

Key safety aspects including incorrect use, personnel qualifications, and modifications.

Correct Use of All Products

Defines intended use, operating parameters, and compliance with safety regulations.

Personnel and Organizational Requirements

Specifies qualifications, training, and protective equipment for personnel.

Initial Start-up and Operation Safety Regulations

Safety guidelines for initial start-up, operation, and emergency stop procedures.

Assembly, Maintenance, and Repair Work Safety Regulations

Safety precautions for assembly, maintenance, repair, and handling of tools.

Fire and Environmental Protection, Fluids and Lubricants

Covers fire prevention, environmental protection, and safe handling of fluids and lubricants.

Transport

Technical Data

12V2000M72 Engine Data (Engine-Mounted Heat Exchanger, EPA Stage 2)

Technical data for the 12V2000M72 engine with engine-mounted heat exchanger.

12V2000M72 Engine Data (Remote Heat Exchanger, EPA Stage 2)

Technical data for the 12V2000M72 engine with remote heat exchanger.

16V2000M72 Engine Data (Engine-Mounted Heat Exchanger, EPA Stage 2)

Technical data for the 16V2000M72 engine with engine-mounted heat exchanger.

16V2000M72 Engine Data (Remote Heat Exchanger, EPA Stage 2)

Technical data for the 16V2000M72 engine with remote heat exchanger.

Operation

Engine Operation After Extended Out-of-Service Periods (>3 Months)

Procedure for re-commissioning the engine after a long period of inactivity.

Engine Operation After Scheduled Out-of-Service Period

Steps for bringing the engine back into service after a planned maintenance period.

Checks Prior to Start-up

Essential checks to perform on the fuel treatment system before starting the engine.

Fuel Treatment System - Putting into Operation

Operational Checks

Routine checks to perform on various engine systems during operation for proper function.

Starting the Engine

Instructions and precautions for starting the engine from various control points.

Re-starting Engine After Automatic Safety Shutdown

Procedure to follow for safely re-starting the engine after it has shut down automatically.

Engine Shutdown

Guidelines for properly shutting down the engine, including cooling down procedures.

Emergency Engine Shutdown

Steps to perform an emergency shutdown of the engine and associated risks.

Maintenance

Maintenance Task Reference Table [QL1]

A table listing maintenance tasks, options, and references to detailed procedures.

Troubleshooting

Diagnostic tables for common engine problems like failure to turn, not firing, or uneven firing.

Fault Messages on ECU7 Engine Governor (Series 2000 CR Marine)

Interprets fault messages from the ECU7 governor and provides corrective actions.

Fuel Treatment System Control Cabinet Troubleshooting

Troubleshooting specific issues related to the fuel treatment system's control cabinet.

Task Description

Engine Tasks

Engine Barring Manually

Engine Cranking on Starting System

Cylinder Liner Inspection

Procedures for inspecting cylinder liners using an endoscope.

Cylinder Liner Endoscopic Examination

Detailed steps for performing an endoscopic examination of the cylinder liner.

Cylinder Liner Examination Terms and Comments

Valve Clearance Check and Adjustment

Injection Valve / Injector Maintenance

Procedures for replacing and installing engine injectors.

Injector Replacement

Basic instruction to remove and install a new engine injector.

Injector Removal and Installation

Detailed steps for removing and installing engine injectors, including safety precautions.

Fuel System Procedures

Procedures related to the engine's fuel system.

Fuel System Venting

Fuel Filter Replacement

Instructions for replacing easy-change fuel filters with the engine stopped or running.

Fuel Prefilter Differential Pressure Gauge Check and Adjustment

Fuel Prefilter Filter Element Replacement

Engine Oil System Maintenance

Procedures for checking and changing the engine oil.

Engine Oil Level Check

Instructions on how to check the engine oil level using the dipstick.

Engine Oil Change

Detailed steps for draining and refilling the engine oil, including safety warnings.

Oil Filtration and Cooling Maintenance

Engine Oil Filter Replacement

Engine Coolant Level Check

How to check the engine coolant level at the filler neck or via the level sensor.

Engine Coolant Change

Engine Coolant Draining

Engine Coolant Filling

Fuel Supply System Procedures

Coalescer Filter Element Replacement

Engine Governor and Control System Accessories

Engine Control Unit Self-Test

Engine Governor ECU 7 Removal and Installation

EIM 2 Diagnostic Features

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MTU 12V2000M72 User Manual

Table of Contents

Questions and Answers:

MTU 12V2000M72 Specifications

Summary

Operating Instructions

Safety

Important Provisions for All Products

Correct Use of All Products

Personnel and Organizational Requirements

Initial Start-up and Operation Safety Regulations

Assembly, Maintenance, and Repair Work Safety Regulations

Fire and Environmental Protection, Fluids and Lubricants

Transport

Technical Data

12V2000M72 Engine Data (Engine-Mounted Heat Exchanger, EPA Stage 2)

12V2000M72 Engine Data (Remote Heat Exchanger, EPA Stage 2)

16V2000M72 Engine Data (Engine-Mounted Heat Exchanger, EPA Stage 2)

16V2000M72 Engine Data (Remote Heat Exchanger, EPA Stage 2)

Operation

Engine Operation After Extended Out-of-Service Periods (>3 Months)

Engine Operation After Scheduled Out-of-Service Period

Checks Prior to Start-up

Fuel Treatment System - Putting into Operation

Operational Checks

Starting the Engine

Re-starting Engine After Automatic Safety Shutdown

Engine Shutdown

Emergency Engine Shutdown

Maintenance

Maintenance Task Reference Table [QL1]

Troubleshooting

Troubleshooting

Fault Messages on ECU7 Engine Governor (Series 2000 CR Marine)

Fuel Treatment System Control Cabinet Troubleshooting

Task Description

Engine Tasks

Engine Barring Manually

Engine Cranking on Starting System

Cylinder Liner Inspection

Cylinder Liner Endoscopic Examination

Cylinder Liner Examination Terms and Comments

Valve Clearance Check and Adjustment

Injection Valve / Injector Maintenance

Injector Replacement

Injector Removal and Installation

Fuel System Procedures

Fuel System Venting

Fuel Filter Replacement

Fuel Prefilter Differential Pressure Gauge Check and Adjustment

Fuel Prefilter Filter Element Replacement

Engine Oil System Maintenance

Engine Oil Level Check

Engine Oil Change

Oil Filtration and Cooling Maintenance

Engine Oil Filter Replacement

Engine Coolant Level Check

Engine Coolant Change

Engine Coolant Draining

Engine Coolant Filling

Fuel Supply System Procedures

Coalescer Filter Element Replacement

Engine Governor and Control System Accessories

Engine Control Unit Self-Test

Engine Governor ECU 7 Removal and Installation

EIM 2 Diagnostic Features

Related product manuals