John Deere 544K 4WD Loader (T3) Repair Technical Manual (TM10689)

John Deere 544K 4WD Loader Engine 6068HDW74 (T3) (S.N. -642664) Repair Technical Manual (TM10689 27JUN19)

This factory-level repair manual provides detailed disassembly, assembly, and service procedures for the John Deere 544K 4WD Loader with 6068HDW74 Tier 3 engine. Targeted toward professional technicians, it covers the full spectrum of mechanical systems—powertrain, hydraulics, frame, brakes, cab, and loader structure—supported by OEM specifications, torque values, and hydraulic schematics.

Model Covers:

John Deere 544K 4WD Loader

(Tier 3, Engine 6068HDW74)

(S.N. -642664)

File Format: PDF

Size: 20.54 MB

No. of pages: 448

Language: English

Delivery Method: Instant Download – Access your file immediately after purchase.

📑 Key Technical Sections:

General Service & Torque Data

• Comprehensive torque charts for metric/inch fasteners and hydraulic fittings
• Service specs for O-ring boss, flange, banjo, and face seal connections

Powertrain Systems

• TeamMate™ IV axle overhaul, oscillating supports, and axle shaft service
• Full transmission rebuild including K1–K4 clutch packs and torque converter
• Park brake disassembly, solenoid testing, and drive shaft maintenance

Engine & Cooling Modules

• 6068HDW74 engine R&I, crankshaft dampener, and belt servicing
• Exhaust system, air intake, intercooler, and fuel separator unit replacement
• Cooling pack service including radiator, hydraulic oil cooler, and plenum ducts

Hydraulic System Service

• Loader pump, control valve, pilot valve, and accumulator rebuilds
• Load sense and main relief valve overhaul with calibration guidelines
• Boom/bucket cylinder reseal procedures and startup pressure check protocol

Steering and Brake Systems

• Orbital and joystick steering valve teardown, secondary steering diagnostics
• Service brake pedal and hydraulic valve rebuild, accumulator replacement
• Joystick steering calibration, armrest teardown and switch harness replacement

Cab, HVAC & Sheet Metal

• Cab structure removal, door adjustments, seat and safety restraint servicing
• Air conditioning recovery, evacuation, charging, and component R&I
• Heater core, blower, filter, expansion valve, and compressor service instructions

Loader Frames & Attachments

• Powerllel™ linkage: pin joints, bellcranks, cylinders, and coupler servicing
• Loader boom and bucket bushing replacement and frame R&I
• Bucket edge repairs, cutting edge replacement, and hydraulic fan pump service

This John Deere 544K Repair Technical Manual is essential for certified technicians and workshops, providing full-scale mechanical restoration paths, precision component overhauls, and exact OEM service procedures for Tier 3 loaders.