John Deere 444D 544D 644D Loader Operation and Test Service Manual

John Deere 444D 544D 644D Loader Operation and Test Service Manual

This is the John Deere 444D 544D 644D Loader Operation and Test Service Manual, as a PDF. It runs to 599 pages in 8 parts.

It covers the John Deere 444D, 544D and 644D wheel loaders. It is John Deere's operation and test manual: how each system works and how to test it.

About the John Deere 444D wheel loader

Wheel loaders spend their life in repeated load cycles, which wears the transmission, the axles and the loader linkage. The workshop manual covers testing and rebuilding them with the manufacturer's values.

What is inside

Its chapters cover the engine, the transmission and drivetrain, the hydraulic system, the electrical system and the cab and air conditioning. The largest sections are Electrical Operation and Test (232 pages), Power Train Operation and Test (107 pages) and Engine Operation and Tests (82 pages).

• Introduction (12 pages)
• General Information (24 pages)
• Operational Procedure (18 pages)
• Engine Operation and Tests (82 pages)
• Electrical Operation and Test (232 pages)
• Power Train Operation and Test (107 pages)
• Hydraulic System Operation and Tests (80 pages)
• Heating and Air Conditioning System Operation and Test (38 pages)

What you can do with it

• Understand how each system works
• Run the diagnostic tests in the right order
• Compare readings with the factory specifications
• Find the fault before replacing parts

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 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 John Deere 444D, 544D, 644D. If your machine has a different model number, look for the manual for that model.

Is it the original manufacturer manual?
Yes. It is John Deere's own diagnostic manual, not a third-party reprint or a summary.

How many pages does it have?
599 pages, in 8 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.