
644k 4WD John Deere Specs Operator’s Manual
- Manual Included:
- Operation and Test Manual: 1588 Pages (TM13052X19)
- Specifications:
- Brand: John Deere
- Model: 644K 4WD
- Serial Number: (PIN: 1DW644K_ F658218 – )
- Type: Loader
- Manuals: Operation and Test Manual
- Publication Numbers: TM13052X19
- Language: English
- Format: PDF
Other Manual: Find 644k 4WD John Deere Repair Technical Manual (TM13053X19)

John Deere 644K 4WD Loader Operator’s Manual
(S.N. after F658218 – )
Operation and Test Manual- TM13052x19
Section 9000—General Information
- Group 01—Safety
Section 9001—Diagnostics
- Group 10—Engine Control Unit (ECU) Diagnostic Trouble Codes
- Group 20—Transmission Control Unit (TCU) Diagnostic Trouble Codes
- Group 30—Vehicle Control Unit (VCU) Diagnostic Trouble Codes
- Group 40—Sealed Switch Module (SSM) Diagnostic Trouble Codes
- Group 50—Advanced Display Unit (ADU) Diagnostic Trouble Codes
- Group 60—Radar Object Detection (ROD) Diagnostic Trouble Codes
- Group 70—Ground Speed Radar (RDR) Diagnostic Trouble Codes
- Group 80—Joystick Steering Valve (JSV) Diagnostic Trouble Codes
- Group 90—Joystick Steering Controller (JSC) Diagnostic Trouble Codes
- Group 100—Tire Pressure Monitoring (TPM) System Diagnostic Trouble Codes
Section 9005—Operational Checkout Procedure
- Group 10—Operational Checkout Procedure
Section 9010—Engine
- Group 05—Theory of Operation
- Group 10—System Diagrams
- Group 15—Diagnostic Information
- Group 20—Adjustments
- Group 25—Tests
Section 9015—Electrical System
- Group 05—Theory of Operation
- Group 10—System Diagrams
- Group 15—Diagnostic Information
- Group 16—Monitor Operation
- Group 17—Diagnostic Test Box
- Group 20—Adjustments
- Group 25—Tests
Section 9020—Power Train
- Group 05—Theory of Operation
- Group 10—System Diagrams
- Group 15—Diagnostic Information
- Group 20—Adjustments
- Group 25—Tests
Section 9025—Hydraulic System
- Group 05—Theory of Operation
- Group 10—System Diagrams
- Group 15—Diagnostic Information
- Group 20—Adjustments
- Group 25—Test
Section 9031—Heating and Air Conditioning
- Group 05—Theory of Operation
- Group 10—System Diagrams
- Group 15—Diagnostic Information
- Group 25—Tests
