Part of the John Deere Repair Manuals.
This 684-page John Deere 444D, 544D, 644D Repair Manual (OEM #TM-1341) covers every system on all three Loader variants, from axles and transmission to the torque converter and steering. Open it up and you get full wiring diagrams for the electrical system, hydraulic schematics for the loader and brake circuits, and step-by-step procedures for engine, transmission, and axle teardown. You'll also find fluid capacity charts and maintenance interval schedules that match your machine's actual service life. Torque the cap screws to 410 ± 40 N-m (300 ± 30 lb-ft), and set 644D slow idle to 900 ± 25 rpm exactly like the factory calls for. No more guessing numbers off a forum thread while your loader sits dead in the yard. It's bookmarked by section and searchable by keyword, so you can jump straight to the transmission or wiring pages and get back to turning wrenches.
What's Inside This John Deere 444D, 544D, 644D Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 7-18 | Manual Structure, Safety Information, Hazard Prevention, Safe Work Practices |
| General | 19-52 | 444D Loader, 544D Loader, 644D Loader, Torque Values, Fuels and Lubricants, Inspection Procedures |
| Wheels | 53-60 | Power Wheels and Fastenings |
| Axles and Suspension System | 61-154 | Removal and Installation, Differential or Bevel Drive (Differential and Differential Lock), Input Drive Shafts and U-Joints, Axle Shafts, Bearings and Reduction Gears |
| Transmission | 155-312 | Removal and Installation, Controls Linkage, Input Drive Shafts and U-Joints, Gears, Shafts, Bearings and Powershift Clutch, Hydraulic System |
| Engine | 313-358 | Engine Removal and Installation, Cylinder Head, Pistons and Crankshaft, Fuel Injection, Diesel Engine (444D 90hp / 544D 115hp / 644D 155hp) |
| Engine Auxiliary System | 359-384 | Cooling System, Air Intake and Exhaust, Fuel Supply System, Belts and Drive Pulleys |
| Torque Converter | 385-386 | Hydraulic System (Oil Pump, Control Valve, Oil Cooler, Oil Cooler Thermal Bypass Valve, Clutch Cut-Off Solenoid Valve) |
| Dampener Drive | 387-392 | Elements |
| Steering System | 393-434 | Secondary Steering, Hydraulic System |
| Service Brakes | 435-472 | Active Elements, Controls Linkage, Hydraulic System |
| Park Brake | 473-480 | Active Elements, Controls Linkage |
| Electrical Systems | 481-528 | Batteries, Support, And Cables, Alternator, Regulator and Lighting System Wiring, Lighting System, Wiring Harness and Switches, System Controls |
| Frame, Chassis, or Support Structure | 529-542 | Frame Installation, Frame Bottom Guards, Chassis Weights |
| Operator's Station | 543-614 | Removal and Installation, Operator Enclosure, Seat and Seat Belt, Heating and Air Conditioning |
| Sheet Metal and Styling | 615-620 | Grille and Grille Housing |
| Loader | 621-674 | Buckets, Controls Linkage, Frames, Hydraulic System |
| Dealer Fabricated Tools | 675-684 | JT38000 Differentail Lifting Tool, JT38001 Jacking Tool, Axle, JT38002 Yoke Holding Tool, JT38003 Rolling Drag Torque Bar, Liner Holding Tool, JT38028 Hydraulic Valve Removal Tool |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Slow idle for 644D | 900 ± 25 rpm | p. 3 |
| Cap Screw Torque | 410 ± 40 N·m (300 ± 30 lb-ft) | p. 55 |
| Front and Rear Engine Support Mount Cap Screws | 231 N·m (170 lb-ft) | p. 317 |
| Flange Nuts (T) | 46 N-m (34 lb-ft) | p. 672 |
| Wheel Retainer Cap Screws Torque | 410 ± 40 N-m (300 ± 30 lb-ft) | p. 29 |
| Differential Carrier Bearings Preload | 0.05-0.10 mm (0.002-0.004 in.) | p. 74 |
| 444D | ||
| Engine Horsepower (SAE hp), 444D | 90 SAE hp (67 kw) | p. 19 |
| Hydraulic System Relief Pressure, 444D | 2250-2450 psi (15 514-15 895 kPa) | p. 20 |
| 544D | ||
| Engine Horsepower (SAE hp), 544D | 115 SAE hp (86 kw) | p. 22 |
| 644D | ||
| Engine Horsepower (SAE hp), 644D | 155 SAE hp (116 kw) | p. 25 |
| 544D, 644D | ||
| Hydraulic System Relief Pressure (544D, 644D) | 2625-2750 psi (18 099-18 960 kPa) | p. 26 |
