MTU 18V2000G26F User Manual (English)

Questions and Answers:

R
Ryan SmithAug 17, 2025
How to fix an MTU 18V2000G26F Engine that won't turn over?
- P
  Paula JonesAug 17, 2025
  If your MTU Engine doesn't turn over when you try to start it, here are a few things to check: * **Battery:** The battery may be low or faulty. In this case, charge or replace it. * **Cable Connections:** Make sure the cable connections are properly secured. If these steps don't resolve the issue, it could be due to faulty engine cabling or a blocked running gear, in which case you should contact service.
J
Joanna JosephAug 20, 2025
What to do if my MTU Engine does not reach its rated speed?
- W
  wdavisAug 20, 2025
  If your MTU Engine isn't reaching its rated speed, consider these potential causes: * A clogged fuel prefilter. If this is the case, replace it. * A clogged fuel filter. Replace the fuel filter. * A clogged air filter. Check the signal ring position of the service indicator. * A faulty injector. Replace the injector. If none of these steps improve the engine speed, the injection pump may be faulty, and you should contact service.
B
brittanythomasAug 22, 2025
What to do if MTU 18V2000G26F Engine turns over but doesn't start?
- C
  Christopher StewartAug 22, 2025
  If your MTU Engine turns over but doesn't start, it could be due to: * Poor rotation by the starter. Charge or replace the battery. * Low or faulty battery. * Air in the fuel system. Vent the fuel system. If these steps don't solve the problem, the engine may be faulty, and you should contact service.
A
aperryAug 26, 2025
Why is my MTU 18V2000G26F producing black exhaust gas?
- K
  Karen WilsonAug 26, 2025
  Black exhaust gas from your MTU Engine can be caused by several factors: * A clogged air filter. Check the signal ring position of the service indicator. * A faulty injector. Replace the injector. * A faulty injection pump. * The engine being overloaded. If you suspect the latter two, contact service.
R
rogersscottAug 28, 2025
How to troubleshoot unsteady MTU 18V2000G26F speed?
- J
  Jonathan BensonAug 28, 2025
  An unsteady speed in your MTU Engine can stem from: * A faulty injector. Replace the injector. * A faulty injection pump. * Air in the fuel system. Vent the fuel system. If these steps don't stabilize the engine speed, it may be due to a faulty component, and you should contact service.
T
Tonya SnyderAug 31, 2025
What causes an MTU Engine to fire unevenly?
- B
  Brandon JenkinsAug 31, 2025
  Uneven firing in your MTU Engine could be due to: * A faulty injector. Replace the injector. * A faulty injection pump. * Air in the fuel system. Vent the fuel system. If the issue persists, the engine may be faulty, and you should contact service.
L
latoya78Sep 2, 2025
What causes blue exhaust gas from my MTU 18V2000G26F?
- E
  Emily GibbsSep 3, 2025
  Blue exhaust gas from your MTU Engine can indicate: * Engine oil level being too high. Drain some engine oil. * A contaminated oil separator of the crankcase breather. Replace it. If neither of these resolves the issue, the engine may be faulty, and you should contact service.
D
Douglas CampbellSep 5, 2025
Why is my MTU Engine emitting white exhaust gas?
- N
  nguyenrodneySep 5, 2025
  White exhaust gas from your MTU Engine can be caused by: * The engine not being at operating temperature. Run the engine until it reaches operating temperature. * Water in the fuel. Check the fuel system at the fuel prefilter. Drain fuel prefilter if leaking.
A
Amy CampbellSep 8, 2025
Why is the charge air temperature too high in my MTU 18V2000G26F Engine?
- S
  Sean SandersSep 8, 2025
  A high charge air temperature in your MTU Engine could be caused by: * Incorrect engine coolant treatment. Check the coolant with an MTU test kit. * High air-intake temperature. Check the fans and intake/exhaust lines. If these steps don't resolve the issue, the engine may be contaminated, and you should contact service.
L
Laura ThomasSep 12, 2025
What causes low charge-air pressure in an MTU 18V2000G26F?
- R
  ryan47Sep 12, 2025
  Low charge-air pressure in your MTU Engine can be due to: * A clogged air filter. Check the signal ring position of the service indicator. If this doesn't solve the problem, the engine may be contaminated or faulty, and you should contact service.

MTU 18V2000G26F Specifications

General

Brand	MTU
Model	18V2000G26F
Category	Engine
Language	English

Summary

Safety requirements for maintenance and repair work

Safety measures before, during, and after maintenance/repair tasks.

Technical Data - B26 F Models

Engine data 12, 16, 18 V 2000 B26 F

Reference conditions and power-related data for B26 F models.

Boundary conditions (for maximum power)

Additional Engine Data B26 F

Coolant and Lube Oil Systems B26 F

Technical Data - B76 Switchable 1500 rpm Models

Engine data 12, 16, 18 V 2000 B76 switchable 1500 rpm

Reference conditions and power data for B76 switchable models at 1500 rpm.

Boundary conditions (for maximum power) B76 1500 rpm

Additional Engine Data B76 1500 rpm

Coolant and Lube Oil Systems B76 1500 rpm

Technical Data - B76 Switchable 1800 rpm Models

Engine data 12, 16, 18 V 2000 B76 switchable 1800 rpm

Reference conditions and power data for B76 models at 1800 rpm.

Boundary conditions (for maximum power) B76 1800 rpm

Additional Engine Data B76 1800 rpm

Coolant and Lube Oil Systems B76 1800 rpm

Technical Data - G16 F Models

Engine data 12, 16 V 2000 G16 F

Reference conditions and power data for 12/16 V 2000 G16 F models.

Boundary conditions (for maximum power) G16 F

Additional Engine Data G16 F

System Data G16 F

Technical Data - G26 F Models

Engine data 12, 16, 18 V 2000 G26 F

Reference conditions and power data for 12/16/18 V 2000 G26 F models.

Boundary conditions (for maximum power) G26 F

Additional Engine Data G26 F

System Data G26 F

Technical Data - G76 F Models

Engine data 12, 16, 18 V 2000 G76 F

Reference conditions and power data for 12/16/18 V 2000 G76 F models.

Boundary conditions (for maximum power) G76 F

Additional Engine Data G76 F

System Data G76 F

Technical Data - G36 F Model

Engine data 16 V 2000 G36 F

Reference conditions and power data for 16 V 2000 G36 F model.

Boundary conditions (for maximum power) G36 F

Additional Engine Data G36 F

System Data G36 F

Operation

Preparing startup after long out-of-service periods (>3 months)

Steps for preparing engine startup after extended downtime.

Preparations for startup after scheduled out-of-service-period

Starting the engine

Procedure for starting the engine, including safety precautions.

Operation monitoring

Checks and readings for monitoring engine operation and status.

Engine ‒ Stopping

Procedure for safely stopping the engine, including cool-down.

Emergency stop

Procedure for initiating and handling an emergency engine stop.

After stopping the engine

Plant – Cleaning

Maintenance

Maintenance schedule ‒ Task reference table [QL1]

Reference table for maintenance tasks and their associated page numbers.

Troubleshooting

Diagnosing and resolving common engine operational issues.

Task Description - Engine

Engine – Cranking manually

Procedure for manually cranking the engine using a barring tool.

Engine – Barring with starting system

Procedure for barring the engine using the starting system.

Task Description - Valve Drive

Valve clearance – Check and adjustment

Procedure for checking and adjusting valve clearance.

Valve clearance adjustments

Detailed steps for checking and adjusting valve clearance values.

Final steps for valve clearance

Task Description - Cylinder Head Cover

Cylinder head cover – Removal and installation

Procedure for removing and installing the cylinder head cover.

Task Description - Injection Valve / Injector

Injector ‒ Replacement

Procedure for replacing an engine injector.

Injector – Removal and installation

Detailed steps for removing and installing engine injectors.

Injector Removal Steps

Steps for removing engine injectors and sealing openings.

Injector Installation Steps

Installing injectors, including without/with press-in tool and pipe connections.

Fuel Line Installation

Tightening nuts for injector assembly and installing the fuel line.

Final Steps for Injector Installation

Tightening fuel line nuts and connecting injector cable.

Task Description - Fuel System

HP fuel line and pressure pipe connection ‒ Replacement

Procedure for replacing high-pressure fuel lines and pipe connections.

Tightening Fuel Line Connections

Tightening union nuts for fuel lines and pressure pipe connections.

Final Steps for Fuel Line Replacement

Fuel system – Venting

Procedure for venting the fuel system to remove air.

Fuel – Draining

Task Description - Fuel Filter

Fuel filter – Replacement

Procedure for replacing the fuel filter element.

Fuel prefilter – Differential pressure gage check and adjustment of gage

Checking and adjusting the differential pressure gauge on the fuel prefilter.

Fuel prefilter – Draining

Procedure for draining water and contaminants from the fuel prefilter.

Fuel prefilter – Flushing

Fuel prefilter – Filling with fuel

Fuel prefilter – Filter element replacement

Procedure for replacing the fuel prefilter element.

Task Description - Air Filter

Air filter – Replacement

Procedure for replacing the air filter element.

Air filter – Removal and installation

Steps for removing and installing the air filter assembly.

Task Description - Starting Equipment

Starter – Removal

Procedure for disconnecting and removing the starter motor.

Starter – Installation

Procedure for installing the starter motor and electrical connections.

Task Description - Lube Oil System

Engine oil – Level check

Procedure for checking engine oil level before and after operation.

Engine oil – Change

Procedure for changing engine oil using different methods.

Task Description - Oil Filtration / Cooling

Engine oil filter – Replacement

Procedure for replacing the engine oil filter.

Centrifugal oil filter – Cleaning and filter sleeve replacement

Procedure for cleaning the centrifugal oil filter and replacing the sleeve.

Task Description - Coolant Circuit

Drain and vent points

Drain and vent points (Left Side)

Drain and vent points (Right Side)

Drain and vent points (Free End)

Engine coolant – Level check

Procedure for checking engine coolant level via filler neck or sensor.

Engine coolant – Change

Procedure for changing the engine coolant.

Engine coolant ‒ Draining

Procedure for draining engine coolant, including residual coolant.

Engine coolant – Filling

Procedure for filling the engine with coolant, including safety notices.

Engine coolant pump – Relief bore check

Engine coolant – Sample extraction and analysis

Task Description - Belt Drive

Drive belt – Condition check

Drive belt – Tension check

Drive belt tension check (Frequency Meter)

Drive belt ‒ Tension adjustment

Procedure for adjusting the tension of drive belts.

Drive belt – Replacement

Task Description - Fuel Supply System

Water drain valve – Check

Differential pressure gauge – Check

Water level probe (3-in-1 rod electrode) – Check

Pump capacity – Check

Coalescer filter element – Replacement

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MTU 18V2000G26F User Manual

Table of Contents

Questions and Answers:

MTU 18V2000G26F Specifications

Summary

Safety requirements for maintenance and repair work

Safety requirements for maintenance and repair work

Technical Data - B26 F Models

Engine data 12, 16, 18 V 2000 B26 F

Boundary conditions (for maximum power)

Additional Engine Data B26 F

Coolant and Lube Oil Systems B26 F

Technical Data - B76 Switchable 1500 rpm Models

Engine data 12, 16, 18 V 2000 B76 switchable 1500 rpm

Boundary conditions (for maximum power) B76 1500 rpm

Additional Engine Data B76 1500 rpm

Coolant and Lube Oil Systems B76 1500 rpm

Technical Data - B76 Switchable 1800 rpm Models

Engine data 12, 16, 18 V 2000 B76 switchable 1800 rpm

Boundary conditions (for maximum power) B76 1800 rpm

Additional Engine Data B76 1800 rpm

Coolant and Lube Oil Systems B76 1800 rpm

Technical Data - G16 F Models

Engine data 12, 16 V 2000 G16 F

Boundary conditions (for maximum power) G16 F

Additional Engine Data G16 F

System Data G16 F

Technical Data - G26 F Models

Engine data 12, 16, 18 V 2000 G26 F

Boundary conditions (for maximum power) G26 F

Additional Engine Data G26 F

System Data G26 F

Technical Data - G76 F Models

Engine data 12, 16, 18 V 2000 G76 F

Boundary conditions (for maximum power) G76 F

Additional Engine Data G76 F

System Data G76 F

Technical Data - G36 F Model

Engine data 16 V 2000 G36 F

Boundary conditions (for maximum power) G36 F

Additional Engine Data G36 F

System Data G36 F

Operation

Preparing startup after long out-of-service periods (>3 months)

Preparations for startup after scheduled out-of-service-period

Starting the engine

Operation monitoring

Engine ‒ Stopping

Emergency stop

After stopping the engine

Plant – Cleaning

Maintenance

Maintenance schedule ‒ Task reference table [QL1]

Troubleshooting

Troubleshooting

Task Description - Engine

Engine – Cranking manually

Engine – Barring with starting system

Task Description - Valve Drive

Valve clearance – Check and adjustment

Valve clearance adjustments

Final steps for valve clearance

Task Description - Cylinder Head Cover

Cylinder head cover – Removal and installation

Task Description - Injection Valve / Injector

Injector ‒ Replacement

Injector – Removal and installation

Injector Removal Steps

Injector Installation Steps

Fuel Line Installation

Final Steps for Injector Installation

Task Description - Fuel System

HP fuel line and pressure pipe connection ‒ Replacement

Tightening Fuel Line Connections

Final Steps for Fuel Line Replacement

Fuel system – Venting

Fuel – Draining

Task Description - Fuel Filter

Fuel filter – Replacement

Fuel prefilter – Differential pressure gage check and adjustment of gage