Technical Workshop Guide: John Deere 544K 4WD Loader (T3) Operation & Test Technical Manual
Need to fix your equipment? This professional service guide is the official resource for expert mechanics. It includes specific electrical wiring diagrams and hydraulic troubleshooting steps tailored for this specific model.
This technical documentation for the Brand series provides OEM specifications, torque settings, and assembly instructions.
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What's inside this Brand manual?
- Engine Overhaul
- Transmission Specs
- Hydraulic Schematics
- Electrical Diagrams
- Diagnostic Codes
- Maintenance Intervals
John Deere 544K 4WD Loader (T3) Operation & Test Technical Manual
(TM10688 07JAN19)
John Deere 544K 4WD Loader (T3) – Technical Manual TM10688 – Complete Table of Contents
✅ Section 10: General
10.10: Specifications
10.20: Identification
10.30: Fluid Capacities & Recommendations
10.40: Maintenance & Lubrication (Including S·O·S℠ Sampling & Interval Charts)
10.50: Towing, Transport, Lifting, and Jacking
10.60: Break-In Procedure
10.70: Machine Preparation (Storage & Reactivation)
✅ Section 20: Engine (John Deere PowerTech 4.5L or 6.8L)
20.10: General Engine Service
20.15: Cylinder Head and Valves
20.20: Cylinder Block, Liners, and Pistons
20.30: Lubrication System
20.40: Cooling System
20.50: Fuel System
20.60: Intake and Exhaust System
20.70: Engine Electrical (Starting/Charging)
John Deere 544K 4WD Loader (T3) Operation & Test Manual
✅ Section 30: Power Train
30.10: Clutch (Mechanical Control)
30.20: Transmission (Tandem Pump, Control Valves)
30.30: Axles (Front & Rear, including Differential and Final Drives)
30.40: Propeller Shafts and U-Joints
30.50: Brakes (Service, Parking)
30.60: Frame and Suspension (Oscillating Hitch, Kingpins)
✅ Section 40: Steering
40.10: Steering System (Articulated Power Steering)
40.20: Steering Cylinders
40.30: Steering Linkage
✅ Section 50: Hydraulic System
50.10: Main Hydraulic System (Gear Pumps, Main Control Valve)
50.15: Implement Hydraulics (Lift & Tilt Circuits)
50.20: Priority and Pilot Hydraulic System
50.30: Hydraulic Cylinders (Lift, Tilt, Auxiliary)
50.40: Hydraulic System Testing & Performance Specifications
✅ Section 60: Electrical System
60.10: Starting and Charging System
60.15: Machine Harness and Connectors
60.20: Sensors and Switches
60.25: Lighting System
60.30: Cab and Instrumentation (Gauges, Monitor)
60.40: Diagnostic Connector and Diagnostic Codes (Troubleshooting Outlines)
✅ Section 70: Operator Station and Cab
70.10: Cab Structure and Mounting
70.20: Heating, Ventilation, and Air Conditioning (HVAC)
70.30: Seats and Belts
70.40: Windows, Doors, and Seals
70.50: Controls (Levers, Pedals, Joysticks)
✅ Section 80: Attachments and Linkage
80.10: Loader Linkage (Z-Bar)
80.20: Buckets and General Purpose Attachments
80.30: Quick Coupler System
80.40: Fork and Special Application Attachments
✅ Section 90: Testing and Adjusting
90.10: Machine Operational Checks
90.15: Engine Performance Tests
90.20: Transmission and Drivetrain Tests
90.30: Hydraulic System Tests (Pump Flow, Pressure, Cycle Times)
90.40: Steering System Tests
90.50: Brake System Tests
✅ Includes comprehensive troubleshooting procedures for each major system, linking symptoms to probable causes and corrective actions.
✅ Section 100: Schematic Section
100.10: Hydraulic Schematics
100.20: Electrical Schematics
John Deere 544K 4WD Loader (T3) Operation & Test Technical Manual