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PowerTech Plus 4045 and 6068 Diesel Engines Operators Manual
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POWERTECH E
4.5 and 6.8 L
4045 and 6068
Tier 3 / Stage IIIA
OEM Diesel Engines
OPERATOR’S MANUAL
PowerTech E 4045TF285/HF285
and 6068HF285 OEM Diesel
Engines
OMRG37407 Issue 30Apr08 (ENGLISH)
CALIFORNIA
Proposition 65 Warning
Diesel engine exhaust and some of its constituents are
known to the State of California to cause cancer, birth
defects, and other reproductive harm.
If this product contains a gasoline engine:
WARNING
The engine exhaust from this product contains chemicals
known to the State of California to cause cancer, birth
defects or other reproductive harm.
The State of California requires the above two warnings.
John Deere Power Systems
LITHO IN U.S.A.

Introduction
OURGP12,00001E9 –19–23APR08–1/1
Foreword
THIS MANUAL CONTAINS INFORMATION to operate
and service the following Tier 3 / Stage IIIA
emission-certified
1
engines:
Saran-built (France) Tier 3 Electronically Controlled
Engines:
• CD4045TF285 (HPCR System; 2-Valve Head)
• CD4045HF285 (HPCR System; 2-Valve Head)
• CD6068HF285 (HPCR System; 2-Valve Head)
Torreon-built (Mexico) Tier 3 Electronically Controlled
Engines:
• PE4045TF285 (HPCR System; 2-Valve Head)
• PE4045HF285 (HPCR System; 2-Valve Head)
• PE6068HF285 (HPCR System; 2-Valve Head)
READ THIS MANUAL carefully to learn how to operate
and service your engine correctly. Failure to do so
could result in personal injury or equipment damage.
THIS MANUAL SHOULD BE CONSIDERED a
permanent part of your engine and should remain with
the engine when you sell it.
MEASUREMENTS IN THIS MANUAL are given in both
metric and customary U.S. unit equivalents. Use only
correct replacement parts and fasteners. Metric and
inch fasteners may require a specific metric or inch
wrench.
WRITE ENGINE SERIAL NUMBERS and option codes
in the spaces indicated in the Record Keeping Section.
Accurately record all the numbers. Your dealer also
needs these numbers when you order parts. File the
identification numbers in a secure place off the engine.
SETTING FUEL DELIVERY beyond published factory
specifications or otherwise overpowering will result in
loss of warranty protection for this engine.
CERTAIN ENGINE ACCESSORIES such as radiator,
air cleaner, and instruments are optional equipment on
John Deere OEM Engines. These accessories may be
provided by the equipment manufacturer instead of
John Deere. This operator’s manual applies only to the
engine and those options available through the John
Deere distribution network.
IMPORTANT: This manual covers only
POWERTECH E Tier 3/ Stage IIIA
emission certified 4.5 and 6.8 L OEM
engines listed. (This is for both the
U.S. EPA and European Union
Council (EU) emission standards.)
NOTE: This manual covers engines provided to OEM
(Original Equipment Manufacturers). For
engines in Deere machines, refer to the
machine operator’s manual.
POWERTECH is a trademark of Deere & Company
1
Emission certified for United States as EPA Tier 3 and for European
Union as Stage IIIA.
050608
PN=2

Introduction
OURGP11,0000251 –19–08OCT07–1/1
Engine Owner
John Deere Engine Owner:
Don’t wait until you need warranty or other service to
meet your local John Deere Engine Distributor or
Service Dealer. To register your engine for warranty
via the Internet, use the following URL:
http://www.johndeere.com/enginewarranty
Learn who your dealer is and where he is. At your first
convenience, go meet him. He’ll want to get to know
you and to learn what your needs might be.
Aux Utilisateurs De Moteurs John Deere:
N’attendez pas d’e ˆ tre oblige ´ d’avoir recours a ` votre
concessionnaire John Deere ou au point de service le
plus proche pour vous adresser a ` lui. Pour enregistrer
votre moteur pour la garantie via Internet, utilisez
l’adresse suivante:
http://www.johndeere.com/enginewarranty
Renseignez-vous de ` s que possible pour l’identifier et
le localiser. A la premie ` re occasion, prenez contact
avec lui et faites-vous connaı ˆtre. Il sera lui aussi
heureux de faire votre connaissance et de vous
proposer ses services le moment venu.
An Den Besitzer Des John Deere Motors:
Warten Sie nicht auf einen evt. Reparaturfall, um den
na ¨ chstgelegenen John Deere Ha ¨ndler kennen zu
lernen. Zur Registrierung Ihres Motors fu ¨r die Garantie
dient folgende Internet-Adresse:
http://www.johndeere.com/enginewarranty
Machen Sie sich bei ihm bekannt und nutzen Sie sein
“Service Angebot”.
Proprietario del motore John Deere:
Non aspetti fino al momento di far valere la garanzia o
di chiedere assistenza per fare la conoscenza del
distributore dei motori John Deere o del
concessionario che fornisce l’assistenza tecnica. Per
registrare via Internet la garanzia del suo motore, si
collegi al seguente sito URL:
http://www.johndeere.com/enginewarranty
Lo identifichi e si informi sulla sua ubicazione. Alla
prima occasione utile lo contatti. Egli desidera fare la
sua conoscenza e capire quali potrebbero essere le
sue necessita `.
Propietario De Equipo John Deere:
No espere hasta necesitar servicio de garantı ´a o de
otro tipo para conocer a su Distribuidor de Motores
John Deere o al Concesionario de Servicio. Registre
su motor para la garantı ´a en la siguiente direccio ´n de
internet: http://www.johndeere.com/enginewarranty
Aprenda quie ´n es su distribuidor y donde e ´l esta ´
situado. Cuando tenga un momento, vaya a visitarlo. A
e ´l le gustara ´ conocerlo, y saber cua ´les podrı ´an ser sus
necesidades.
Till a ¨gare av John Deere motorer:
Ta reda pa ˚ vem din a ˚ terfo ¨rsa ¨ljare a ¨r och beso ¨k honom
sa ˚ snart tillfa ¨lle ges. Va ¨nta inte tills det a ¨r dags fo ¨r
service eller eventuellt garantiarbete. Din motor
garantiregistrerar Du via Internet pa ˚
http://www.johndeere.com/enginewarranty
Din a ˚ terfo ¨rsa ¨ljare vill mycket ga ¨rna tra ¨ffa dig fo ¨r att la ¨ra
ka ¨nna dina behov och hur ba ¨st han kan hja ¨lpa dig.
050608
PN=3

Introduction
OURGP12,00001EA –19–29NOV07–1/1
PowerTech E 4.5 L Engine With Electronic Fuel Systems (HPCR Fuel System)
(Two-Valve Cylinder Head)
RG14632 –UN–13APR06
4045HF285 Engine
RG14633 –UN–13APR06
4045HF285 Engine
PowerTech is a trademark of Deere & Company
050608
PN=4

Introduction
OURGP12,00001EB –19–22APR08–1/1
PowerTech E 6.8 L Engine With Electronic Fuel Systems (HPCR Fuel System)
(Two-Valve Cylinder Head)
RG14634 –UN–13APR06
6068HF285 Engine
PowerTech E is a trademark of Deere & Company
050608
PN=5

Introduction
050608
PN=6

Contents
Page Page
Record Keeping Accessing Active Trouble Codes ........... 15-10
Engine Serial Number Plate ................ 01-1 Engine Shutdown Codes ................. 15-12
Record Engine Serial Number .............. 01-1 Adjusting Backlighting.................... 15-13
Engine Option Codes ..................... 01-2 Adjusting Contrast ...................... 15-15
Record Engine Control Unit (ECU) Serial Selecting Units Of Measurement ........... 15-17
Number .............................. 01-4 Setup 1-Up Display ..................... 15-20
Record High-Pressure Fuel Pump Model Setup 4-Up Display ..................... 15-26
Number .............................. 01-4
Engine Operation
Engine Break-In Service ................... 20-1 Safety ................................ 05-1
Starting the Engine ....................... 20-4
Normal Engine Operation .................. 20-7
Fuels, Lubricants, and Coolant
Warming Engine ......................... 20-8
Diesel Fuel ............................. 10-1
Cold Weather Operation ................... 20-9
Lubricity of Diesel Fuel .................... 10-2
Using a Booster Battery or Charger ......... 20-11
Handling and Storing Diesel Fuel ............ 10-2
Avoid Excessive Engine Idling ............. 20-12
Testing Diesel Fuel ....................... 10-3
Changing Engine Speed .................. 20-13
Bio-Diesel Fuel .......................... 10-4
Stopping The Engine .................... 20-16
Minimizing the Effect of Cold Weather on
Auxiliary Gear Drive Limitations ............ 20-17
Diesel Engines ........................ 10-6
Generator Set (Standby) Applications ........ 20-17
Diesel Engine Break-In Oil ................. 10-7
Diesel Engine Oil ........................ 10-8
Lubrication and Maintenance Diesel Engine Oil and Filter Service Intervals . . . 10-9
Observe Service Intervals.................. 25-1 Mixing of Lubricants ..................... 10-11
Use Correct Fuels, Lubricants, and Coolant .... 25-1 OILSCAN and COOLSCAN ............ 10-12
Lubrication and Maintenance Service Alternative and Synthetic Lubricants ......... 10-12
Interval Chart—Standard Industrial Engines . . 25-2 Lubricant Storage ....................... 10-13
Lubrication and Maintenance Service Oil Filters ............................. 10-13
Interval Chart—Generator (Standby) Diesel Engine Coolant ................... 10-14
Applications .......................... 25-4 Drain Intervals for Diesel Engine Coolant .... 10-15
Additional Information About Diesel
Engine Coolants and Supplemental Coolant Lubrication & Maintenance/Daily
Additives ............................ 10-16 Daily Prestarting Checks .................. 30-1
Testing Diesel Engine Coolant ............. 10-17
Operating in Warm Temperature Climates .... 10-18
Lubrication & Maintenance/500 Hour/12 Month
Disposing of Coolant .................... 10-18
Servicing Fire Extinguisher ................. 35-1
Checking Engine Mounts .................. 35-1
Servicing Battery ........................ 35-2 Instrument Panels
Instrument Panels........................ 15-1 Changing Engine Oil and Replacing Filter ..... 35-4
Checking Crankcase Vent System ........... 35-7 Using Diagnostic Gauge to Access Engine
Information ........................... 15-4 Checking Air Intake System ................ 35-8
Replacing Fuel Filter Elements .............. 35-9 Main Menu Navigation .................... 15-5
Engine Configuration Data ................. 15-6
Continued on next page Accessing Stored Trouble Codes ............ 15-8
All information, illustrations and specifications in this manual are based on
the latest information available at the time of publication. The right is
reserved to make changes at any time without notice.
COPYRIGHT
2008
DEERE & COMPANY
Moline, Illinois
All rights reserved
A John Deere ILLUSTRUCTION
Manual
Previous Editions
Copyright
2006
i 050608
PN=1

Contents
Page Page
Checking Belt Tensioner Spring Tension Displaying Diagnostic Gauge Software ....... 50-10
Engine Troubleshooting .................. 50-12 and Belt Wear (Automatic Tensioner) ...... 35-11
Checking Engine Electrical Ground
Connections ......................... 35-13 Storage
Engine Storage Guidelines ................. 55-1 Checking Cooling System................. 35-13
Replenishing Supplemental Coolant Preparing Engine for Long Term Storage ...... 55-2
Removing Engine from Long Term Storage .... 55-3 Additives (SCAs) Between Coolant
Changes ............................ 35-14
Testing Diesel Engine Coolant ............. 35-16 Specifications
General OEM Engine Specifications .......... 60-1 Pressure Testing Cooling System........... 35-17
Checking and Adjusting Engine Speeds ...... 35-18 Engine Power Ratings And Fuel System
Specifications ......................... 60-3
Engine Crankcase Oil Fill Quantities ......... 60-4
Lubrication & Maint./2000 Hour/24 Month
Unified Inch Bolt and Screw Torque Values .... 60-5
Checking Crankshaft Vibration Damper
Metric Bolt and Screw Torque Values......... 60-6
(6-Cylinder Engine Only) ................. 40-1
Flushing and Refilling Cooling System ........ 40-2
Lubrication and Maintenance Records
Testing Thermostats Opening Temperature .... 40-5
Using Lubrication and Maintenance Records . . . 65-1
Check and Adjust Valve Clearance .......... 40-8
Daily (Prestarting) Service ................. 65-1
500 Hour/12 Month Service ................ 65-2
Service as Required
2000 Hour/24 Month Service ............... 65-3
Additional Service Information .............. 45-1
Service as Required ...................... 65-4
Do Not Modify Fuel System ................ 45-2
Adding Coolant .......................... 45-3
Emission System Warranty
Replacing Single Stage Air Cleaner .......... 45-5
U.S. EPA Emmission Control Warranty
Replacing Axial Seal Air Cleaner Filter
Statement ............................ 70-1
Element ............................. 45-6
Emission Control System Certification Label.... 70-1
Replacing Radial Seal Air Cleaner Filter
Element ............................. 45-8
Replacing Fan and Alternator Belts ......... 45-10
Checking Fuses ........................ 45-11
Checking Air Compressors ................ 45-11
Bleed the Fuel System ................... 45-12
Troubleshooting
General Troubleshooting Information ......... 50-1
Precautions For Welding On Engines
Equipped With Electronic Engine Control Unit
(ECU) ............................... 50-1
Precautions for Electrical System When
Steam Cleaning Engine ................. 50-2
Engine Wiring Layout ..................... 50-3
Engine Wiring Diagram (With
Full-Featured Electronic Instrument Panel) . . . 50-4
Engine Wiring Diagram (With
Full-Featured Electronic Instrument Panel)—
Continued ............................ 50-5
Instrument Panel Method for Retrieving
Diagnostic Trouble Codes ................ 50-6
Displaying Of Diagnostic Trouble Codes
(DTCs) .............................. 50-7
Listing of Diagnostic Trouble Codes (DTCs) .... 50-8
Intermittent Fault Diagnostics (With
Electronic Controls) .................... 50-10
ii 050608
PN=2

Record Keeping
OURGP12,00001C3 –19–14MAR06–1/1
Engine Serial Number Plate
RG8007 –UN–15JAN99
Engine Serial Number Plate
A—Serial Number Plate
Each engine has a John Deere engine serial number. The
first two digits identify the factory that produced the
engine:
• “CD” = Saran, France
• “PE” = Torreon, Mexico
The engine’s serial number plate (A) is located on the
right-hand side of cylinder block behind the fuel filter.
OURGP12,00001C4 –19–14MAR06–1/1
Record Engine Serial Number
RG14641 –UN–17MAY06
Saran Factory Engine Serial Number Plate
RG14629 –UN–28AUG07
Torreon Factory Engine Serial Number Plate
Record all of the numbers and letters found on your
engine serial number plate in the spaces provided below.
This information is very important for repair parts or
warranty information.
Engine Serial Number (B)
Engine Model Number (C)
NOTE: Engine serial numbers on the 7th digit indicates
the Emission Level as follows:
• “B” for non-certified engines
• “C” for Tier 1 / Stage I engines
• “G” for Tier 2 / Stage II engines
• “L” for Tier 3 / Stage IIIA engines
01-1 050608
PN=9

Record Keeping
OURGP12,00001C5 –19–14MAR06–1/2
Engine Option Codes
RG14630 –UN–13APR06
A—Engine Base Code
In addition to the serial number plate, OEM engines
have an engine option code label affixed to the rocker
arm cover. These codes indicate which of the engine
options were installed on your engine at the factory.
When in need of parts or service, furnish your
authorized servicing dealer or engine distributor with
these numbers.
The engine option code label includes an engine base
code (A). This base code must also be recorded along
with the option codes.
The first two digits of each code identify a specific
group, such as alternators. The last two digits of each
code identify one specific option provided on your
engine, such as a 12-volt, 55-amp alternator.
NOTE: These option codes are based on the latest
information available at the time of publication.
The right is reserved to make changes at any
time without notice.
If an engine is ordered without a particular component,
the last two digits of that functional group option code
will be 99, 00, or XX. The list on the next page shows
only the first two digits of the code numbers. For future
reference such as ordering repair parts, it is important
to have these code numbers available. To ensure this
availability, enter the third and fourth digits shown on
your engine option code label in the spaces provided
on the following page.
01-2 050608
PN=10
Continued on next page
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Get the comprehensive operators manual for the PowerTech Plus 4045 and 6068 diesel engines. This manual is an invaluable resource for both professional mechanics and DIY enthusiasts. It contains detailed specifications and essential information for maintaining and repairing these engines.
- Manual Title: PowerTech Plus 4045 and 6068 Diesel Engines OPERATORS MANUAL
- Language: English
- Pages: 200
- Format: PDF
- Platform: Windows and MAC