John Deere 444J, 544J, 624J Operation and Test Manual TM2135

Technical reference for John Deere 444J, 544J, and 624J loaders. Covers operation and testing procedures for various machine systems and components. Reference TM2135.

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Document Details

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Document Number / Seller:
27546 / Michelle Jones
File Size:
19.20 MB
File Type:
PDF
Language:
English
Pages:
630
Printable:
Yes
Category:
Loader
Last updated / verified
Jan 8, 2026

Models Covered & Key Technical Specifications

Reference-Grade Troubleshooting Manual: John Deere 444J, 544J, 624J Operation and Test Manual [630 Page Volume] | Pro Service File Documentation-Framework

Reference-Grade: 630 Pages // Service-Level: Comprehensive // Diagnostic-Area: System-wide Logic

Specification Operational-Logic Calibration-Data
Pages 630 English
Models Covered 444J, 544J, 624J TM2135
System Operation & Test Hydraulic, Powertrain

Service procedures are grouped by system, including.

Approved Specs: Engine Component Location: 624J Loader uses PowerTech

Factory Specs: Electrical Diagram Information: 24V DC system configuration.

Primary Specs: Engine Frame Harness (W5): Engine components located on frame.

General Specs: Load Center Harness (W3): Details wiring for 444J, 544J, and 624J models.

Essential Specs: System Functional Schematic: Describes logical sequence of related functions.

Operational Specs: Transmission Harness (W10): Connects transmission control unit.

Professional Workshop Service Manual & Technical Specifications

Reference-Grade Troubleshooting Manual: John Deere 444J, 544J, 624J Operation and Test Manual [630 Page Volume] | Pro Service File Documentation-Framework

Reference-Grade: 630 Pages // Service-Level: Comprehensive // Diagnostic-Area: System-wide Logic

Specification Operational-Logic Calibration-Data
Pages 630 English
Models Covered 444J, 544J, 624J TM2135
System Operation & Test Hydraulic, Powertrain

Service procedures are grouped by system, including.

Assembly instructions are detailed for Engine Harness (W6) and Load Center Harness (W3). Hydraulic schematics are included for the Hydraulic System. Steering component information is provided for the transmission and steering systems. Inspection guidelines are provided for the complete machine and specific components. Alignment specifications are included for various systems.

The manual documents torque specifications for various components to ensure proper thread engagement security.

FAQ

What **components** are covered in the safety precautions section? keyboard_arrow_down

Pages 9000-01-1 through 9000-01-15 detail safety precautions for operating the machine, including recognizing safety information, following instructions, and using protective equipment.

Confirm the **precise** lubrication requirements for this loader. keyboard_arrow_down

While this manual focuses on operation and testing, detailed lubrication requirements can be found within the specific component manuals referenced in Section 9010-05-1, such as the Engine Base Engine manual (CTM104).

What tools are needed for **proper** testing of the electrical system? keyboard_arrow_down

Refer to Section 9015-10-2 for the Fuse and Relay Specifications, which outlines the necessary components for electrical system diagnostics. Specific tools like multimeters or diagnostic testers may be required for detailed troubleshooting.

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Reviews (3)

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Rated 4 out of 5 stars
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The manual is incredibly detailed and has helped me troubleshoot my loader efficiently. Highly recommend for any technician!
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The download process was seamless, and I received the manual link in no time. Their support team was also very responsive when I had questions!