New Holland 445T 668T 445 Engine Service Manual 2003
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About the New Holland Construction Equipment Engines
New Holland and related factory service manuals for engines: 44 manuals, each sold as a PDF download, from the 4 to the U80.
New Holland 445T 668T 445 Engine Service Manual 2003
This is the New Holland 445T 668T 445 Engine Service Manual 2003, as a PDF. It runs to 180 pages in 7 parts.
It covers the New Holland 445T, 668T and 445 engines (2003 edition). It is New Holland's own service manual, the documentation the dealer workshops repair these machines with.
Publication number: 6-80940na.
About the engine manual
The engine manual covers the engine itself: disassembly, inspection, measurements, rebuild and adjustment, with the fits, clearances and torque values from the manufacturer.
What is inside
Its chapters cover the engine, specifications and special tools. The largest sections are Section 3 - Duty - Industrial Equipment (100 pages), Section 4 - Overhaul and Technical Specifications (36 pages) and Section I - General Specifications (12 pages).
- ENGINES (2 pages)
- Section I - General Specifications (12 pages)
- Section 2 - Feed (12 pages)
- Section 3 - Duty - Industrial Equipment (100 pages)
- Section 4 - Overhaul and Technical Specifications (36 pages)
- Section 5 - Tools (4 pages)
- Appendix (5 pages)
What you can do with it
- Find the cause of a fault before replacing parts
- Remove, overhaul and refit major components
- Set pressures, clearances and adjustments to the factory values
- Use the right torque values and tightening sequences
Who it is for
Owners and operators who maintain their own machines, contractors' and rental workshops, independent repair shops and dealers.
Make sure it is your engine
Check the engine model and serial number on the engine plate before ordering.
Questions about this manual
Which machines does this manual cover?
The New Holland 445T, 668T, 445 (2003 edition). If your machine has a different model number, look for the manual for that model.
Is it the original manufacturer manual?
Yes. It is New Holland's own service manual, not a third-party reprint or a summary.
How many pages does it have?
180 pages, in 7 parts listed above.
How do I receive it?
It is a PDF. After payment it is available to download from your account, and you can read it on a computer, tablet or phone or print the pages you need. No printed book is shipped.
About the 2003 New Holland 445T 668T 445 Engine Service Manual
Check the model year on your VIN: on a 2003 vehicle the 10th character of the 17-digit VIN is “3”. Vehicles built for North America always carry the model year in that position; on some European or Australian vehicles it may be left unused, so in that case go by the registration papers or the build plate.
At about 23 years old, a 2003 vehicle is in the age range where wiring, rubber hoses, seals and corrosion repairs take most of the work, and where original factory information is hardest to find.
