New Holland 420FI 440FI Header Service Manual

New Holland 420FI 440FI Header Service Manual

This is the New Holland 420FI 440FI Header Service Manual, as a PDF. It runs to 259 pages in 7 parts.

It covers the New Holland 420FI and 440FI combines. It is New Holland's own service manual, the documentation the dealer workshops repair these machines with.

Publication number: 84321453A.

About the New Holland 420FI combine

A combine has to be set and repaired by the book: the threshing and separating system, the cleaning shoe, the header and feeder, the hydrostatic drive and the electronic controls. The manual gives the settings and procedures for each.

What is inside

Its chapters cover the transmission and drivetrain and the hydraulic system. The largest sections are Section 50 Power Train (152 pages), Section 100 Feeding System (36 pages) and Section 10 General (24 pages).

• Introduction (1 page)
• Section 05 Safety (12 pages)
• Section 10 General (24 pages)
• Section 50 Power Train (152 pages)
• Section 70 Hydraulic System (8 pages)
• Section 80 Miscellaneous (16 pages)
• Section 100 Feeding System (36 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

Farmers who repair their own equipment, farm workshops, independent agricultural mechanics and dealers.

Make sure it is your machine

Check the model and serial number on your machine before ordering. Some manuals only cover a range of serial numbers.

Questions about this manual

Which machines does this manual cover?
The New Holland 420FI, 440FI. 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?
259 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.