Document overview
Workshop Manual PDF for DEUTZ FAHR 5125 G → ZKDEY20200TD10001, Series 5 G (FARMOTION STAGE 4) family. Document language: English; 1,272 pages.
The corresponding English table of contents contains 45 sections and 434 individual topics.
Main sections included
- Introduction
- Safety
- Technical characteristics
- Calibrations and electronic diagnosis
- Method of intervention
- Wiring diagrams
- Service Info
Document details
- Brand: DEUTZ FAHR
- Family: Series 5 G (FARMOTION STAGE 4)
- Model: 5125 G
- Starting serial number: ZKDEY20200TD10001
- Document type: Workshop Manual
- Language: English
- Pages: 1,272
- File size: 391.92 MiB
- Format: Digital PDF download
Compatibility
Before purchasing, verify that your machine model and reference code match DEUTZ FAHR 5125 G → ZKDEY20200TD10001.
Complete table of contents
Introduction
- Introduction
- Tightening torques
- Pump tightening torques
- Wheel nut/screw tightening torques
- Tightening torques for nuts and bolts of electrical connections
- Installation of solenoid valves and cartridge valves
- Installation of quick couplers
Safety
Preface
- Important notes concerning safety
Important safety information
- Recognising hazards
- Indications for persons in contact with the tractor
Safety rules
- Risks during tractor preparation
- Risks during maintenance
- Work on machine systems
- Special disassembly/assembly/inspection procedures
Safety pictograms
- Replacing safety pictograms
Environmental risks
- Hazards associated with the operating environment
Technical characteristics
Engine
- Technical data: cylinder block
- Technical data: crankshaft
- Technical data: crankshaft
- Technical data: pistons – piston rings
- Technical data: rockers
- Camshaft technical data
- Camshaft technical data
- Technical data: timing system gears
- Technical data: counter-rotating masses
- Technical data and dimensions: valves – valve springs
- Technical data and dimensions: heads – valve guides – valve seats
- Technical data, rockers – tappets
Engine accessories
- Starter motor
Transmission
- Transmission
- Transmission
- Transmission
- Transmission
- Four-wheel drive electrohydraulical engagement and parking brake assembly
- Mechanical clutch assembly
- Hydraulic reverse shuttle
- HI-LO unit
- HML unit
- Rear PTO
- Rear Power Take Off
- Views of transmission
Rear axle
- Rear axle
- Rear differential
Front axle
- Front axle 4 WD
- Front axle 2WD
- Pinion, differential and differential lock
- Final drive
Bodywork – Cab – Platform
- Air conditioning system – Version with Standard Roof
- Air conditioning system – High Visibility Version
Hydraulic system
- Hydraulic circuit, optional version 2 (“Mother Regulation” version)
- Hydraulic circuit, optional version 3 (“Mother Regulation” version)
- Hydraulic brake circuit, optional version 2 (“Mother Regulation” version)
- Hydraulic brake circuit, optional version 3 (“Mother Regulation” version)
- Hydraulic circuit, optional version (“Mother Regulation” version)
- Hydraulic circuit, full house version (“Mother Regulation” version)
- Auxiliary hydraulic circuit, base version (“Mother Regulation” version)
- Auxiliary hydraulic circuit, optional version (“Mother Regulation” version)
- Hydraulic circuit, full house LS version (“Mother Regulation” version)
- Hydraulic transmission circuit, base GS version (“Mother Regulation” version)
- Hydraulic transmission circuit, base LS version (“Mother Regulation” version)
- Location of hydraulic components (“Mother Regulation”)
- Braking valve (logic block)
- Trailer braking valve
- Power steering 125 cc
- SDD power steering
- Delivery line filter
- Hydraulic pumps unit
- Power steering pump
- Transfer pump
- Suction pump filter
- 60 l/min. ECO AUX block
- Distributor unit
- Reverse shuttle control valve block
- Pressure regulator valve unit
- Service valve unit
- HML control block
- Rear PTO
Electrical equipment
- FARMotion engine sensors and components
- FARMotion engine sensors and components
Front PTO
- Front PTO
- PTO delivery pump
- PTO control solenoid valve assy
- Front PTO
Front lift
- Front lift
- Damper assembly
Calibrations and electronic diagnosis
Diagnostic tools
- D-TECH App
- D-Tech and diagnostic ports
ECU alarms
- SDF Severity of alarms
- ECU ALARMS
Software management
- ECUs firmware update
Method of intervention
- Workshop tools for disassembly and reassembly
- Workshop tools for disassembly and reassembly
B0 – Engine
- Workshop tools for engine removal and reassembly
- Workshop tools for engine removal and reassembly
- Tightening procedure for engine components
- Tightening procedure for engine components
- Tightening procedure for engine components
- Tightening procedure for engine components
- Complete engine
- Engine- Separation from the transmission
- Engine flywheel
- Engine flywheel
- Engine block-gearbox connector flange
- Blow-by oil vapour recovery pipe
- Turbocharger oil pipes
- Turbocharger
- EGR exhaust gas recirculation pipe
- Exhaust manifold
- Exhaust manifold
- Thermostat valve
- Checking the thermostat valve
- EGR exhaust gas cooling pipes
- EGR manifold
- Disassembly of the EGR manifold
- EGR valve
- Blow-by filter
- Coolant manifold
- Coolant manifold
- Intake manifold
- Intake manifold
- Oil filter
- Oil heat exchanger
- Engine coolant pump
- Electro-injectors and common rail
- Electro-injectors and common rail
- Cylinder head covers
- Blow-by oil vapour pipe
- Pushrods
- Cylinder heads
- Cylinder heads
- Disassembling the cylinder heads
- Crankshaft pulley and tone wheel
- Crankshaft pulley
- Power take off drive
- Front timing cover
- Rear flange
- Oil sump
- Oil pump
- Counter-rotating masses
- Overhauling counter-rotating masses
- Intermediate gear and timing
- Disassembling pistons and connecting rods
- Disassembling pistons and connecting rods
- Crankshaft
- Crankshaft
- Cooling jets
- Cylinder sleeves
- Cooling jets
- Cylinder sleeves
- Adjusting oil pump gear backlash
- Replacing the automatic tensioner
- Installing automatic belt tensioner
- Aligning water pump and crankshaft pulleys
- Exhaust gas recirculation valve (EGR)
- A/C compressor belt
C0 – Engine accessories
- High pressure fuel pump
- Mounting brackets
- Power take off gear backlash adjustment
- Air compressor for utilities
- Disassembling the utilities air compressor
- Replacing the coolant
- Engine air intake fan
- Coolant radiator
- Complete radiator-heat exchanger pack
- Disassembling the radiator assembly
- Compensation tank
- Intercooler, gearbox oil and fuel heat exchangers
- Air filter
- Rigid air filter pipe
- Fuel filter
- Fuel pre-filter
- Bleeding air from the fuel circuit
- Manual fuel pump
- Fuel tank
- Electric starter motor
- Exhaust pipe
- Exhaust silencer – (DOC catalytic converter)
D0 – Transmission
- Draining and filling the transmission oil
- Clutch plate
- Clutch thrust bearing
- Engine torsional spring plate
- Hydraulic reverse shuttle unit
- Disassembling the shuttle unit
- Disassembling cover assembly
- Removing the forward drive clutch unit
- Disassembling the reverse drive clutch unit
- Input shaft assembly and tone wheel
- DT shaft in transmission
- Gearbox internal cover
- Separating connector flange from rear gearbox housing
- Connector housing
- Gear selector assembly
- Main gear lever
- Gear selector rod
- Range selector assembly
- Disassembling the range selector assembly
- Gearbox assembly
- HI-LO unit
- Disassembling the HI range clutch housing
- Disassembling the HI-LO planetary reduction gearbox
- Gearbox and HI-LO unit
- HML unit
- Disassembling the HML unit
- Disassembling the H clutch
- Disassembling M-L clutches
- Replacing the L clutch
- Gearbox/HML assembly
- Disassembly of the HML planetary reduction gearbox
- Outer HML casing
- Disassembly of the gearbox and shuttle assembly – Version with HI-LO
- Secondary shaft – Version with (4 gears)
- Secondary shaft – Version with HI-LO
- Output shaft – Version with 3-stage module (HML)
- Primary shaft
- Primary shaft (4 gears)
- Disassembling the reverse shuttle shaft
- Disassembling the gearbox input shaft
- Disassembly of secondary shaft – Version with HI-LO
- Disassembly of the main shaft
- Disassembly of HI-LO unit output shaft
- Disassembling the HML unit output shaft
- Disassembling the secondary shaft – Version with HI-LO or HML
- PTO output shaft 2 speed version
- PTO output shaft – 4 speed version
- Disassembling the PTO output shaft 2 speed version
- Removing the PTO output shaft – 4 speed version
- PTO control clutch
- Disassembling PTO engagement clutch
- Pump drive PTO – External gear
- Pump drive PTO – Internal gear
- Disassembling the PTO output flange shaft – 2 speed version
- Disassembling PTO final flange shaft – 4 speed version
- Groundspeed PTO shaft
- Disassembling the ground speed PTO output shaft
- Disassembling the ground speed PTO clutch engage mechanism
- Removing the rear pinion – 2-range version
- Removing the rear pinion – 4-range version
- Adjustment of the differential – Bevel gear set
- Disassembly of dual traction clutch – Easyshift with mechanical park brake
- 4WD engagement device – Easyshift
- Removing dual traction output shaft 2-range version
- Removing dual traction output shaft – 4-range version
- Adjusting the parking brake lever
- Parking brake disc sectors – Versions with hydraulically engaged four wheel drive
- Changing the transmission oil
- Parking brake disc sectors
E0 – Rear axle
- Rear differential
- Adjustment of the differential bearings preload
- Disassembling the complete rear lift (SAC)
- Removing right/left hand rear axle
- Left-hand rear axle
- Right-hand rear axle
- Rear axle crown wheel
- Park Brake unit disassembly
- Brake carrier (versions without Park Brake)
- Wheel carriers
F0 – Front axle
- Front axle (4WD)
- Carrier with front axle (4WD)
- 4WD shaft
- Front axle adjusting endfloat
- Steering bar/tie-rod
- Steering knuckle housing and half-shaft
- Adjustment of steering knuckle housing and axle shaft
- Differential assembly
- Disassembling the differential assembly
- Disassembly of the differential
- Disassembly of the differential
- Differential assembly adjustment
- Steering cylinders
- Removing steering cylinders
- Front axle brake discs
- Front axle brake piston
- Planetary reduction gearbox
- Disassembly of the planetary reduction gearbox
- Removing bevel gear set
- Adjustment of the bevel gear set
- Steering angle adjustment
- Steering angle adjustment
G0 – Bodywork – Cab – Platform
- Cab
- Cab access steps
- Engine hood and front hood panels
- Disassembling the engine cowl
- Lower hood cover
- Battery mount
- Front mudguards
- Cab mat
- Right hand console
- Left hand side cab trim
- Right hand side cab trim
- Cab pillar covers
- Instrument cluster
- Instrument cluster
- Sun blind
- Roof panel
- Screen wash liquid reservoir
- Windscreen wiper motor
- Roof hatch
- Rear screen
- Cab door
- Disassembling the door handle
- Anti-pollen filter
- Front turn indicators
- External rear-view mirrors
- Driver seat
- Passenger seat
- Empty and charge the air conditioning system
- Complete air conditioner unit
- Disassembling the air conditioning unit
- Air conditioner control unit
- Air conditioning compressor
- Air conditioning condenser
- Dehydrator filter
- Replacing the evaporator
- Heating radiator – Version with air conditioning
- Motor with fans
- Expansion valve
- Anti-icing sensor
- Electronic foot throttle
- Disassembling the electronic throttle control
- Brake pedals
- Clutch pedal
- Steering column
- Steering wheel
- Brake master cylinders
- Replacing the Bowden cable of the parking brake
H0 – Hydraulic system
- Oil transfer pump
- Power steering pump
- ECO supplementary pump
- Disassembling the ECO auxiliary pump PTO
- Lift and ancillary utility distributor circuit pump
- HML solenoid valve block
- Shuttle solenoid valves assembly
- Disassembling shuttle solenoid valve block
- Oil filter
- Resonator
- Hydrostatic steering unit (Orbitrol) – Versions with rapid steering system (SDD)
- Rear auxiliary utility distributors
- Trailer air braking valve and air tank
- Air tanks
- Compressed air pressure gauge
- Brake block
- Brake control valve
- Services solenoid valve assembly
- Disassembling the ancillary solenoid valve block
- Bleeding the braking system
L0 – Electrical system
- Battery
- Alternator
- Electronic engine control unit (ECU)
- Ancillary utility control unit (MLHP)
- Clutch pedal potentiometer
- Start enable switch
- Engine air temperature sensor
- Reverse shuttle speed sensor
- Replacing the steering angle sensor (SBA)
- Throttle pedal position sensor
- Shuttle control oil pressure switch
- HML speed sensor
- Hydraulic system inlet pressure switch
- Solenoid valve block and utility pressure switch
- Rear lift position sensor
- Wheel speed sensor
- Instrument panel
- Button panels
- Ignition switch barrel
- Battery master switch
- Trailer socket
- Steering column stalk
- Disassembling the steering column stalk
- Cab interior lights
- Engine wiring loom
- Engine wiring loom
- Charge pressure and air temperature sensor
- Electro-injector wiring loom
- Electro-injector wiring loom
- Coolant temperature sensor
- Crankshaft speed sensor
- Preheat relay
- Camshaft timing sensor
- Engine oil pressure switch
- Engine oil temperature sensor
- Fuel pressure and temperature sensor
- Fuel pressure sensor
- Water in fuel sensor
- Headlights
- Work lights
M0 – Front PTO
- Front PTO
- Disassembling the front PTO
- Disassembling the front PTO control clutch
- Solenoid valve block
- Front PTO drive shaft
N0 – Front lift
- Front lift
- Lower front lift carrier
- Front lift arms
- Front lift hydraulic system valve
- Front lift cylinder
R0 – Rear lift
- Rear lift – Complete assembly
- Hitch control distributor
- Disassembling the lift control distributor
- 3-point linkage
S0 – Wheels
- Front Wheels
- Rear wheels
- Rear wheels
V0 – Ballast – towing hitches
- Rear towing hitch
Wiring diagrams
- Wiring looms
Service Info
A0 – TRACTOR
- Diagnostics 2026 subscription
- After-sales 2026 subscription
- SERVICE NEWS RESEARCH GUIDE
- Diagnostics 2025 subscription
- After-sales 2025 subscription
- Diagnostics 2023 subscription
- Diagnostics 2024 subscription
- Diagnostics 2022 subscription
- Diagnostics 2021 subscription
- After-sales 2024 subscription
- After-sales 2023 subscription
- After-sales 2022 subscription
- After-sales 2021 subscription
- Diagnostics – 2020 subscription
- After-sales – 2020 subscription
B0 – ENGINE
- FARMotion seal ring leakage
- Deutz AG engine oil specifications
C0 – ENGINE ACCESSORIES
- Diagnostic protocol – AdBlue – Float level unit
- Filter and prefilter tool p/n 5.9035.865.0
- SCR AREA DAMAGED SENSORS
- Doc outlet pipe & exhaust system alignment
F0 – FRONT AXLE
- Bevel gear set loosing screws
- Check the front axle steering knuckles for wear
- Steering behavior check procedure
G0 – BODYWORK – CAB
- SERVICE NEWS – Brake Fluid Reservoir vent missing
- BRAKE PUMP INTERNAL LEAKAGE
- Air conditioning system recharging
- Distributors bowden cables damage
H0 – HYDRAULIC AND PNEUMATIC SYSTEM|
- Hydraulic CUNA trailer braking kit (ITALY)
- Single connection hydraulic braking kit availability update – only for EUROPEAN market
- L0 – ELECTRIC AL SYSTEM
