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Kohler KDI1903TCR Owner's Manual
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KDI 1903 TCR - KDI 2504 TCR
OWNER MANUAL

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Important
Connect to http://iservice.lombardini.it > KDI KOHLER DIESEL section > login as a guest "Enter as a guest" >
"TECHNICAL DOCUMENTATION" > select "KDI 1903 TCR" or "KDI 2504 TCR" and download the latest version of this
manual onto your device.
NOTE: you can select the desired language before downloading the manual, as shown in the figure below.
REGISTRATION OF MODIFICATIONS TO THE DOCUMENT
Any modifications to this document must be registered by the drafting body, by completing the following table.
Translated from the original manual in Italian language.
Data reported in this issue can be modified at any time by KOHLER.
ED0053029490
The online manuals are provided with hyperlinks which direct you to each individual chapter. By clicking on;
- The analytic index titles you can go directly to the selected subject.
- The blue underlined words you can go directly to a paragraph, a table or a picture.
- The chapter titles (headings) you come back automatically to the chapter initial page.
- Clicking next to the bottom page number you come back to the analytic index.
Released by Document code
Model
N°
Edition Revision Issue date
Review
date
Edited by Endorsed
Technical
Documentation
ED0053029490 51269 16 15 09/2013 07/2017
Technical
Documentation

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INDEX
1 - GENERAL INFORMATION
1.1 Manual's purpose.................................................................. 6
1.2 Glossary and Definitions ................................................ 6
1.3 Emission-Related Installation Instructions.................. 6
1.4 Service request ............................................................... 6
1.5 Engine component identification .................................. 7
1.6 Manufacturer and motor identification data ............... 8
1.7 Homologation labels ....................................................... 9
1.7.1 Label for EPA rules ................................................................ 9
1.7.2 Label for China Standards ................................................. 10
1.7.3 Label for Korea Standards ................................................. 11
2 - TECHNICAL INFORMATION
2.1 General description of the engine .............................. 12
2.2 Engine specifications ................................................... 12
2.3 Engine dimensions (mm).............................................. 12
2.4 Oil.................................................................................... 13
2.4.1 SAE oil classification .......................................................... 13
2.5 Fuel ................................................................................. 13
2.5.1 Fuel for low temperatures.................................................. 13
2.5.2 Biodiesel fuel ....................................................................... 14
2.5.3 Emission-Related Installation Instructions ..................... 14
2.6 Coolant recommendation ............................................ 15
2.7 Battery recommendation ............................................. 15
2.8 Control panel ................................................................. 15
3 - SAFETY INFORMATION
3.1 Advertencias sobre seguridad..................................... 16
3.2 General remarks ........................................................... 16
3.2.1 Note for OEM ....................................................................... 16
3.2.2 Note for end user ................................................................ 16
3.3 Safety signal description ............................................. 18
3.3.1 Adhesive safety plates ....................................................... 18
3.3.2 Safety guards ...................................................................... 18
3.3.3 Warnings .............................................................................. 18
3.4 Information and safety signals .................................... 19
3.5 Safety and environmental impact.................................... 19
3.6 Location of safety labels on engine ............................20
4 - INFORMATION ABOUT USE
4.1 Pre-start check ............................................................. 21
4.2 Running-in period ......................................................... 21
4.3 Starting and turning off ............................................... 21
4.3.1 Starting................................................................................. 21
4.3.2 After starting ....................................................................... 21
4.3.3 Turning off ........................................................................... 21
4.4 Rifornimento carburante .............................................22
4.5 Oil filling .........................................................................22
4.6 Coolant filling ................................................................23
5 - INFORMATION ABOUT MAINTENANCE
5.1 Useful information about maintenance ......................24
5.2 Periodic maintenance ..................................................24
5.3 Oil level check ...............................................................25
5.4 Oil dipstick on cylinder head .......................................25
5.5 Air filter check ...............................................................26
5.6 Check of the radiator heat-exchanger surface .........26
5.7 Rubber hoses check .....................................................26
5.8 Check coolant level ......................................................27
5.9 Check and setting alternator standard belt tension ...28
5.10 Check Poly-V alternator belt ......................................28
5.11 Filter cartridge and fuel pre-filter check ..................29
5.12 Product preservation ..................................................30
5.13 Engine storage up to 6 months .................................30
5.14 Engine storage over 6 months ...................................30
5.15 Engine starting after storage ....................................30
6 - INFORMATION ABOUT REPLACEMENTS
6.1 Engine oil replacement ................................................ 31
6.2 Oil filter cartridge replacement...................................32
6.3 Remote oil filter cartridge replacement (optional)....33
6.4 Filter cartridge and fuel pre-filter replacement .........33
6.5 Air filter cartridge replacement ..................................34
6.6 Disposal and scrapping................................................34
7 - INFORMATION ABOUT FAILURES
7.1 Useful information about failures ................................35
8 - INFORMATION ABOUT WARRANTY
8.1 Information about warranty .........................................36
9 - GLOSSARY
9.1 Glossary .........................................................................39
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INDEX
A
Adhesive safety plates ....................................................... 18
Advertencias sobre seguridad .......................................... 16
After starting ....................................................................... 21
Air filter cartridge replacement.........................................34
Air filter check .....................................................................26
B
Battery recommendation ................................................... 15
Biodiesel fuel ....................................................................... 14
C
Check and setting alternator standard belt tension .......28
Check coolant level.............................................................27
Check of the radiator heat-exchanger surface ...............26
Check Poly-V alternator belt..............................................28
Control panel ....................................................................... 15
Coolant filling ......................................................................23
Coolant recommendation .................................................. 15
D
Disposal and scrapping ......................................................34
E
Emission-Related Installation Instructions........................ 6
Emission-Related Installation Instructions...................... 14
Engine component identification ........................................ 7
Engine dimensions (mm) .................................................... 12
Engine oil replacement ...................................................... 31
Engine specifications ......................................................... 12
Engine starting after storage ............................................30
Engine storage over 6 months...........................................30
Engine storage up to 6 months .........................................30
F
Filter cartridge and fuel pre-filter check ..........................29
Filter cartridge and fuel pre-filter replacement ..............33
Fuel ....................................................................................... 13
Fuel for low temperatures.................................................. 13
G
General description of the engine .................................... 12
General remarks.................................................................. 16
Glossary ...............................................................................39
Glossary and Definitions ...................................................... 6
H
Homologation labels ............................................................. 9
I
Information about warranty ...............................................36
Information and safety signals .......................................... 19
L
Label for China Standards ................................................. 10
Label for EPA rules ............................................................... 9
Label for Korea Standards ................................................. 11
Location of safety labels on engine ..................................20
M
Manual's purpose.................................................................. 6
Manufacturer and motor identification data ..................... 8
N
Note for end user ................................................................ 16
Note for OEM ....................................................................... 16
O
Oil .......................................................................................... 13
Oil dipstick on cylinder head .............................................25
Oil filling ...............................................................................22
Oil filter cartridge replacement .........................................32
Oil level check .....................................................................25
P
Periodic maintenance.........................................................24
Pre-start check ................................................................... 21
Product preservation..........................................................30
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INDEX
R
Remote oil filter cartridge replacement (optional) ..........33
Rifornimento carburante....................................................22
Rubber hoses check ...........................................................26
Running-in period ............................................................... 21
S
SAE oil classification .......................................................... 13
Safety and environmental impact ..................................... 19
Safety guards ...................................................................... 18
Safety signal description ................................................... 18
Service request ..................................................................... 6
Starting ................................................................................ 21
Starting and turning off...................................................... 21
T
Turning off............................................................................ 21
U
Useful information about failures .....................................35
Useful information about maintenance ............................24
W
Warnings .............................................................................. 18
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1.1 Manual's purpose
- This manual contains the instructions needed to carry out
proper use and maintenance of the engine, therefore it must
always be available, for future reference when required.
- This manual is an integral part of the engine, in the event of
transfer or sale, it must be attached to it.
- Safety pictograms can be found on the engine and it is the
operator's responsibility to keep them in a perfectly visible
place and replace them when they are no longer legible.
- Information, description and pictures in this manual reflect
the state of the art at the time of the marketing of engine.
- However, development on the engines is continuous.
Therefore, the information within this manual is subject to
change without notice and without obligation.
- KOHLER reserves the right to make, at any time, changes in
the engines for technical or commercial reasons.
- These changes do not require KOHLER to intervene on the
marketed production up to that time and not to consider
this manual as inappropriate.
- Any additional section that KOHLER will deem necessary to
supply some time after the main text shall be kept together
with the manual and considered as an integral part of it.
- The information contained within this manual is the sole
property of KOHLER. As such, no reproduction or replication
in whole or part is allowed without the express written
permission of KOHLER.
1.2 Glossary and Definitions
The paragraphs, tables and figure are divided into chapter with their progressive numbers.
Ex: Par. 2.3 - chapter 2 paragraph 3.
Tab. 3.4 - chapter 3 table 4.
Fig. 5.5 - chapter 5 figure 5.
The references of the objects described in the text and in figure and number are indicated by letters, which are always and
only related to the paragraph you are reading unless there are specific references to other figures or paragraphs.
The figure are based on model 2504 TCR, where necessary the version 1903 TCR is illustrated.
NOTE: All data, measurements and relevant symbols are shown in the glossary section.
1.4 Service request
- The complete and updated list of authorized Kohler Co. service centers can be found on websites:
www.kohlerengines.com & www.lombardinigroup.it/dealer-locator .
- If you have any questions regarding your warranty rights and responsibilities or the location of the nearest
Kohler Co. authorized service location, you should contact Kohler Co. at 1-800-544-2444 or access our website at
www.kohlerengines.com (USA and North American).
1.3 Emission-Related Installation Instructions
Failing to follow the instructions in the applications guidebook when installing a certified engine in a piece of nonroad equipment
violates federal law (40 CFR 1068.105(b)), subject to fines or other penalties as described in the Clean Air Act.
OEM must apply a separate label with the following statement: “ULTRA LOW SULFUR FUEL ONLY” near the fuel inlet.
Ensure you are installing an engine appropriately certified for your application. Constant speed engines may only be installed
on constant speed equipment for constant speed operation.
If you install the engine in a way that makes the engine's emission control information label hard to read during normal engine
maintenance, you must place a duplicate label on the equipment, as described in 40 CFR 1068.105.
GENERAL INFORMATION
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1.5 Engine component identification
Side view A
Thermostat
Coolant
temperature sensor
Oil filler cap
Coolant pump
Alternator
Starter motor
Oil pressure switch
Oil filler cap
Turbocharger
Oil steam separator
Nameplate
Nameplate
Oil drain plug
Fuel filter Oil drain plug
Oil cooler
EGR Valve
High injection pump
EGR Cooler
Oil filter
Oil dipstick
GENERAL INFORMATION
Side view B
Prefilter (type A)
Prefilter (type B)
Electric fuel pump
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1.6 Manufacturer and motor identification data
Peak
rpm
Engine serial number
Approval data and
"EC" directives
Engine type
Engine
version
Manufacturer identification
The nameplate motor identification is find side A or side B.
Side view A Side view B
GENERAL INFORMATION
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5
10
2
3
8
9
6
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1.7 Homologation labels
1.7.1 Label for EPA rules
GENERAL INFORMATION
POS. DESCRIPTION
1 Model year in compliance with the rules
2 Power category (kW)
3 Engine displacement (L)
4 Particulate emission limit (g/kWh)
5 Engine family ID
6 Emission Control System = ECS
7 Fuel with low sulphur content
8 Injection timing (*BTDC)
9 Injector opening pressure (bar)
10 Production date (example: 2013.JAN)
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3
1
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1.7.2 Label for China Standards
POS. DESCRIPTION
1 Manufacturer
2 Engine model
3 Manufactoring date
4 Certificate N°
5 Power range (kW)
6 Emission level
7 Rated power
8 Aftertreat system
GENERAL INFORMATION
ED0053029490
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The Kohler KDI1903TCR Owner's Manual is a comprehensive guide that provides detailed instructions on how to properly operate and maintain your Kohler KDI1903TCR engine. This manual covers all the necessary information you need to know about this specific model, including troubleshooting tips, maintenance schedules, and safety precautions. With this manual, you will be able to ensure the optimal performance and longevity of your Kohler KDI1903TCR engine.
Customers can conveniently purchase this manual online and instantly receive a download link, allowing them to access the information they need right away.
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