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John Deere 724K 4WD Loader Pdf Technical Repair Service Manual TM12112
John Deere 724K 4WD Loader Pdf Technical Repair Service Manual TM12112
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John Deere 724K 4WD Loader Technical Repair Service Manual TM12112
When a John Deere 724K 4WD Loader needs component-level repair, TM12112 gives you the workshop procedures needed to get into the machine rather than relying on general maintenance information. This Technical Repair Manual covers the 724K with 6090HDW03 Tier 3 and 6090HDW09 S2 engines in the identified C642718–C658064 and D642722–D658064 PIN ranges.
Manual Identification
| Detail | Information |
|---|---|
| Machine | John Deere 724K 4WD Loader |
| Publication Number | TM12112 |
| PIN Coverage | 1DW724KZ__C642718–C658064; 1DW724KZ__D642722–D658064 |
| Engine Coverage | 6090HDW03 (Tier 3) / 6090HDW09 (S2) |
| Manual Type | Technical Repair Manual |
| Language | English |
| Format | |
| Page Count | Digital reproductions vary by edition |
Where TM12112 Helps During a Repair
The manual follows the 724K from its axles and transmission through the engine, steering, brakes, operator station and loader. Procedures include removal and installation, disassembly and assembly, inspection, adjustment and service specifications.
- Axles and suspension: axle removal, axle shafts, U-joints, bearings, reduction gears and axle hydraulic systems.
- Transmission: transmission removal and installation, gears, shafts, power-shift clutches and transmission hydraulics.
- Engine: engine removal and installation with supporting service procedures.
- Engine auxiliaries: cold-weather starting aids, cooling, intake, external exhaust and fuel-supply systems.
- Steering: fully hydraulic steering components and related service procedures.
- Brakes: service-brake and parking-brake components and hydraulic systems.
- Loader: bucket, loader frame, boom and bucket cylinders, control valve, hydraulic pump, pilot controls and ride-control components.
- Operator station: cab, seat and seat belts, heating and air conditioning.
724K Machine Specifications
| Specification | 724K |
|---|---|
| Engine | John Deere 6090, 9.0 L diesel |
| Loader Configuration | Z-Bar / High-Lift, configuration dependent |
| Typical Bucket Capacity | 3.1 m³ (4.0 yd³) with specified quick-coupler/hook-on configuration |
| Operating Weight | Approx. 19,562–19,788 kg (43,127–43,625 lb.), configuration dependent |
| Rated Operating Load | Up to 6,491 kg (14,310 lb.), configuration dependent |
| Breakout Force | Up to 14,524 kg (32,019 lb.), configuration dependent |
| Steering | Fully hydraulic, 80° total articulation |
| Ground Clearance | 461 mm (18.1 in.) |
Loader Hydraulic Repair
The loader section is useful when a 724K develops problems with slow boom movement, weak bucket performance, cylinder leakage, control-valve faults or hydraulic pressure problems. TM12112 includes procedures for the loader control valve, main relief and load-sense relief valves, boom and bucket cylinders, pilot control valve, hydraulic pump manifold, ride-control system and hydraulic reservoir.
It also includes start-up procedures after hydraulic service, helping you return a repaired system to operation without treating the repair as simply a component swap.
Transmission, Axle & Brake Service
For drivetrain work, TM12112 covers the areas that normally require substantial disassembly: power-shift clutch components, transmission shafts and gears, axle shafts, U-joints, reduction gears and hydraulic systems. Separate service-brake and park-brake sections provide the information needed for brake component and hydraulic-system work.
PDF Features
- English-language John Deere Technical Repair Manual
- Searchable PDF format
- Organized sections and bookmarked navigation
- Detailed repair illustrations and component views
- Removal, installation, disassembly and assembly procedures
- Torque values and service specifications
- Transmission, axle and hydraulic repair information
- Loader boom, bucket, cylinder and control-valve procedures
- Zoom in/out for detailed illustrations
- Printable workshop reference
- Instant digital access after purchase
Confirm the PIN Before Ordering
TM12112 is not the universal repair manual for every 724K production range. The identified edition is for the C642718–C658064 and D642722–D658064 PIN ranges with the specified 6090 engine configurations. Later 724K machines use different John Deere publication numbers, so checking the PIN plate is important before selecting this manual.
Frequently Asked Questions
What does John Deere TM12112 cover?
TM12112 is the Technical Repair Manual for the John Deere 724K 4WD Loader, covering the identified C642718–C658064 and D642722–D658064 PIN ranges.
Does TM12112 include loader hydraulic repairs?
Yes. It covers the loader hydraulic system, control valve, hydraulic pump manifold, pilot controls, relief valves, boom and bucket cylinders, ride control and related components.
Does the manual cover the 724K transmission?
Yes. Transmission removal and installation, gears, shafts, power-shift clutches and the transmission hydraulic system are included.
Does TM12112 cover engine removal?
Yes. The engine section includes removal and installation, while the engine auxiliary section covers cooling, intake, exhaust, fuel supply and cold-weather starting systems.
Is TM12112 a diagnostic manual?
No. TM12112 is the Technical Repair Manual. The separate 724K Operation and Test publications are intended for diagnostics, system operation, testing and troubleshooting.
