Name: Kubota Wheel Loader R640 Workshop Manual — RY911-29596
Brand: Kubota
SKU: 2538
Price: 50 USD
Availability: OnlineOnly

Kubota Wheel Loader R640 Workshop Manual

Overview

This is the Kubota Workshop Manual for the R640 model (document code RY911-29596, 2024 edition). It provides service and repair procedures powered by the Kubota V2607 engine.

Manual Details and Coverage

Manufacturer: Kubota
Model: R640
Equipment type: KUBOTA WHEEL LOADER
Manual type: Workshop Manual
Document code: RY911-29596
Publication year: 2024
Language: English
Page count: 682
Format: PDF

The manual is structured as follows. Page references correspond to the original PDF pagination.

1. SAFETY

SAFETY FIRST 1-
SAFETY LABELS (1-5)

2. GENERAL

GENERAL WORKING INSTRUCTIONS (2-1)
PRELIMINARY WORKING INSTRUCTIONS (2-11)
- Jacking up the machine for measuring (2-13)
- Jacking up the machine for replacing the center pin and center shaft (2-15)
- Jacking up the machine for replacing the wheel
- Jacking up the machine for replacing the wheel (2-17)
CONCLUDING WORKING INSTRUCTIONS (2-25)
TIGHTENING TORQUES (2-31)
GENERAL MACHINE INFORMATION (2-35)
GENERAL ELECTRICAL INFORMATION (2-45)
- Electrical circuit diagram description (2-45)
- Electrical circuit diagram unit symbol (2-45)
- Electrical wiring color coding (2-46)
- Electrical wiring clamp (2-46)
- Bus description (2-47)
- Composite terminal description (2-47)
Connector ha
Connector handling precaution (2-47)
Connector diagram description (2-47)
TRANSPORTING THE MACHINE (2-49)
SPECIAL TOOLS AND KITS (2-53)

3. MAINTENANCE

MAINTENANCE INTERVALS TABLE (3-1)
LUBRICANT QUANTITY (3-5)
RECOMMENDED OILS (3-7)
DAILY CHECK (3-9)
- Checking the engine oil level (3-9)
- Checking the hydraulic oil level (3-9)
- Checking the fuel level (3-10)
- Checking the coolant level (3-10)
- Checking the brake oil level (3-11)
- Greasing the lubrication points (3-11)
- Checking the air pressure of the tires (3-12)
- Checking the radiator and hydraulic oil cooler (3-13)
- Checking the steering wheel (3-13)
- Checking the parking brake (3-14)
- Checking the service brake (3-14)
- Checking the engine and engine electrical wire harness (3-14)
- Checking the fan belt (3-15)
- Draining the water separator (3-15)
- Cleaning the dust valve (3-15)
- Checking the dust level indicator (3-16)
- Checking the DPF muffler (3-16)
- Checking the bolts and nuts (3-16)
- Checking the electrical wire harness and terminals (3-16)
- Checking the warning lamps, lamps and lights (3-17)
- Checking the horn (3-20)
- Checking the oil leaks (3-21)
- Checking the machine (3-21)
EVERY 50 HOURS (3-23)
- Checking the battery (3-21)
EVERY 250 HOURS (3-25)
- Adjusting the fan belt (3-25)
- Checking the radiator hoses and hose clamps (3-25)
- Checking and cleaning the engine air cleaner elements (3-26)
- Checking the fuel line (3-27)
- Checking the intake air line (3-27)
- Tightening the wheel nuts (3-28)
- Replacing the water separator element (3-28)
EVERY 500 HOURS (3-29)
- Tightening the bolts of the center shaft (3-29)
- Replacing the engine oil and engine oil filter (3-29)
- Checking the gear oil level for the front and rear axle cases (3-30)
- Replacing the return filter (3-31)
- Replacing the fuel filter (3-32)
EVERY 1000 HOURS (3-33)
- Replacing the gear oil for the front and rear axle cases (3-33)
- Replacing the HST filter (3-33)
- Replacing the hydraulic oil and suction filter (3-34)
- Replacing the engine air cleaner element (3-35)
- Checking the valve clearance (3-36)
EVERY 1500 HOURS (3-39)
- Checking the injector (3-39)
- Replacing the engine oil separator element (3-39)
- Checking the EGR cooler (3-40)
EVERY 2000 HOURS (3-41)
- Checking the alternator (3-41)
- Checking the starter motor (3-41)
EVERY 3000 HOURS (3-43)
- Checking the EGR valve (3-43)
- Checking the turbocharger (3-43)
EVERY 6000 HOURS (3-45)
- Cleaning the DPF muffler (3-45)
EVERY 1 YEAR (3-47)
- Checking the electrical wire harnesses and terminals (3-47)
- Checking the exhaust manifold (3-48)
- Checking the intake air line (3-48)
- Checking the AFS (3-49)
- Checking the boost sensor (3-49)
- Checking the DPF muffler (3-49)
- Checking the DPF differential pressure sensor hoses and pipings (3-50)
- Checking the DPF outlet temperature sensor (3-50)
EVERY 2 YEARS (3-53)
- Replacing the brake oil (3-53)
- Replacing the brake hose (3-53)
- Replacing the rubber parts of the master cylinder (3-53)
- Replacing the fuel line (3-53)
- Replacing the coolant (3-54)
- Replacing the intake air line (3-56)
- Replacing the engine oil separator hoses (3-56)
- Replacing the DPF differential pressure sensor hoses (3-56)
- Replacing the AFS hoses (3-57)
- Replacing the boost sensor hose (3-57)
- Replacing the EGR cooler hoses (3-57)
- Replacing the radiator hoses and hose clamps (3-58)
- Replacing the hydraulic hoses (3-58)
MAINTENANCE FOR CABIN SPECIFICATION (3-59)
- Checking the washer liquid level (3-59)
- Checking the air conditioning belt (3-59)
- Adjusting the air conditioning belt (3-59)
- Checking and cleaning the air conditioning filter (3-60)
- Cleaning the condenser (3-61)
Replacing the air conditioning filter (3-61)
- Checking the air conditioning pipes and hoses (3-61)
- Replacing the air conditioning pipes and hoses (3-62)
- Checki
- Checking the refrigerant liquid (3-63)

4. MACHINE BODY

MECHANISM (4-1)
- Coupler bucket dimensions (4-3)
- 4-in-1 bucket dimensions (4-4)
- Tilt arm dimensions (4-5)
- Tilt link dimensions (4-5)
Lift arm dimensions (4-5)
- Front frame dimensions (4-5)
- Pin, bushing, and shim dimensions (4-5)
- Pin, bushing, and shim dimensions (4-7)
SERVICING (4-11)
- Service specifications for machine body (4-11)
- Measuring the operating force of the pilot control lever (4-12)
- Measuring the center pin vertical play (4-12)
- Bucket (4-14)
  - Removing and installing the coupler bucket (4-14)
  - Removing and installing the 4-in-1 bucket (4-15)
- Quick coupler (4-16)
  - Removing and installing the quick coupler (4-16)
- Tilt arm (4-19)
  - Removing and installing the tilt link (4-19)
  - Removing and installing the tilt arm (4-19)
- Lift arm (4-20)
  - Removing and installing the lift arm (4-20)
- Counterweight (4-22)
  - Removing and installing the counterweight (4-22)
- Canopy (4-23)
  - Removing and installing the canopy (4-23)
- Floor frame (4-24)
  - Removing and installing the floor frame (4-24)
- Cabin (4-27)
  - Removing and installing the cabin (4-27)
- Seat (4-30)
  - Removing and installing the seat (4-27)
  - Removing and installing the seat (4-30)
- Steering wheel and column (4-31)
  - Removing and installing the steering wheel and steering column (4-31)
- Accelerator pedal (4-32)
  - Removing and installing the accelerator pedal (4-32)
- Center pin and center shaft (4-33)
  - Removing and installing the center pin and center shaft (4-33)
- Bushings of the center shaft (4-36)
  - Removing and installing bushings of the center shaft (4-36)
- Spherical bushings of the rear frame (4-37)
  - Removing and installing the spherical bushing of the rear frame (4-37)
- Front wheel (4-38)
  - Removing and installing the front wheel (4-38)
- Rear wheel (4-38)
  - Removing and installing the rear wheel (4-38)

5. ENGINE

MECHANISM (5-1)
Lubricating system general description (5-10)
- Cooling system general description (5-10)
- Turbocharger system general description (5-11)
- Intake air system general description (5-11)
- EGR system general description (5-12)
- Common rail system general description (5-12)
- Common rail system general description (5-13)
- Aftertreatment system general description (5-14)
- DPF regeneration control (5-15)
SERVICING (5-17)
- Engine troubleshooting (5-17)
- Service specifications for engine (5-19)
- Measuring the engine compression pressure (5-19)
- Measuring the engine oil pressure (5-21)
- Fuel hose and tank (5-21)
  - Removing and installing the fuel tank (5-21)
  - Fuel hose routing (5-23)
- Engine (5-26)
  - Removing and installing the engine (5-26)
  - Removing and installing the engine mount (5-28)
  - Removing and installing the alternator (5-29)
  - Removing and installing the starter motor (5-30)
  - Removing and installing the injector (5-31)
  - Removing and installing the supply pump (5-35)
  - Removing and installing the common rail (5-38)
  - Removing and installing the turbocharger (5-39)
  - Removing and installing the EGR valve (5-41)
  - Remov (5-38)
  - Removing and installing the EGR cooler (5-42)
  - Removing and installing the throttle valve (5-43)
  - Removing and installing the SCV (5-44)
- Fuel cooler (5-45)
  - Removing and installing the fuel cooler (5-45)
- Radiator (5-46)
  - Removing and installing the radiator (5-46)
- DPF muffler (5-47)
  - Removing and installing the DPF muffler (5-47)

6. HYDRAULIC SYSTEM

MECHANISM (6-1)
- HST system general description (6-2)
- Front attachment system general description (6-3)
- Steering system general description (6-4)
- Pilot system general description
- Pilot system general description (6-5)
- HST pump specifications (6-6)
- HST pump hydraulic circuit (6-8)
- HST pump function and structure (6-9)
  - HST pump working principles (6-9)
  - Direction control solenoid valve (6-11)
  - High pressure relief valve (6-11)
  - Charge relief valve (6-12)
  - Cut-off relief valve (6-13)
  - Forward traveling circuit (6-14)
  - Backward traveling circuit (6-15)
- Gear pump specifications (6-16)
- HST motor specifications (6-16)
- HST motor specifications (6-17)
- HST motor hydraulic circuit (6-18)
- HST motor function and structure (6-19)
  - HST motor working principles (6-19)
  - Servo regulator (6-20)
  - Forward traveling circuit (6-21)
  - Backward traveling circuit (6-22)
  - Low speed hold circuit (6-23)
Control valve specifications (6-24)
Control valve hydraulic circuit (6-25)
Control valve spool shift performance (6-26)
Control valve function and structure (6-26)
- Main relief valve (6-26)
  - Overload relief valve (6-27)
  - Neutral position circuit (6-28)
  - Lift arm operation circuit (6-29)
  - Tilt arm operation circuit (6-30)
  - AUX operation circuit (6-31)
  - Float operation circuit (6-32)
- Priority valve specifications (6-33)
- Steering valve specifications (6-34)
- Steering valve hydraulic circuit (6-35)
- Steering valve
- Steering valve function and structure (6-36)
  - Neutral position circuit (6-36)
  - Right turn operation circuit (6-37)
  - Left turn operation circuit (6-38)
- Pilot control valve specifications (6-39)
- Pilot control valve performance diagram (6-40)
- Pilot control valve function and structure (6-40)
- Inching valve specification (6-41)
- Unload valve specifications (6-42)
- Unload valve function and structure (6-43)
  - Unload valve working principles (6-43)
- Hydraulic oil cooler specifications
- Hydraulic oil cooler specifications (6-44)
- Hydraulic cylinder specifications (6-45)
SERVICING (6-47)
- Hydraulic troubleshooting for front attachment (6-47)
- Hydraulic troubleshooting for HST system (6-48)
- Hydraulics troubleshooting for steering system (6-49)
- Service specifications for hydraulic system (6-51)
- Measuring the hydraulic devices (6-52)
  - Measuring the tilt arm cylinder speed (6-52)
  - Measuring the lift arm cylinder speed (6-52)
  - Measuring the travel speed (6-53)
  - Measuring the cylinder internal leakage (6-52)
  - Measuring the cylinder internal leakage (6-53)
- Measuring the HST pump (6-54)
  - Measuring the HST pump flow rate (6-54)
  - Measuring the engine speed for departure (6-55)
  - Measuring the cut-off relief valve pressure (6-55)
  - Measuring the charge relief valve pressure (6-56)
  - Measuring the HST control pressure (6-56)
- Measuring the main pump (6-57)
  - Measuring the main pump flow rate (6-57)
- Measuring the charge pump (6-58)
  - Measuring the charge pump flow rate (6-58)
- Measuring the HST motor (6-58)
  - Measuring the HST motor flow rate (6-58)
- Measuring the control valve (6-59)
  - Measuring the AUX flow rate (6-59)
  - Measuring the main relief valve pressure (6-60)
  - Measuring the overload relief valve pressure (6-61)
- Measuring the steering valve (6-61)
  - Measuring the steering main relief valve pressure (6-61)
  - Measuring the steering overload relief valve pressure (6-62)
- Measuring the pilot control valve (6-62)
  - Measuring the pilot primary pressure (6-62)
  - Measuring the pilot secondary pressure (6-63)
- HST pump (6-63)
  - Removing and installing the HST pump (6-63)
  - HST pump components (6-65)
  - Disassembling the HST pump (6-66)
  - Assembling the HST pump (6-73)
  - Installing adapters for the HST pump
  - Installing adapters for the HST pump (6-81)
  - Removing and installing the pump coupling (6-83)
- Gear pump (6-83)
  - Removing and installing the gear pump (6-83)
  - Gear pump components (6-85)
  - Disassembling the gear pump (6-86)
  - Assembling the gear pump (6-86)
  - Installing adapters for the gear pump (6-88)
- HST motor (6-88)
  - Removing and installing the HST motor (6-88)
  - HST motor components (6-90)
  - Disassembling the HST motor (6-91)
  - Assembling the HST motor (6-94)
  - Installing adapters for the HST motor (6-98)
- Control valve (6-100)
  - Removing and installing the control valve (6-100)
  - Control valve components (6-100)
  - Control valve components (6-102)
  - Disassembling and assembling the control valve (6-103)
  - Installing adapters for the control valve (6-107)
- Steering valve (6-108)
  - Removing and installing the steering valve (6-108)
  - Steering valve components (6-109)
  - Disassembling the steering valve (6-110)
  - Assembling the steering valve (6-114)
  - Installing adapters for the steering valve (6-121)
- Priority valve (6-122)
  - Removing and installing the priority valve (6-122)
  - Priority valve components (6-122)
  - Disassembling and assembling the priority valve (6-123)
  - Installing adapters for the priority valve (6-124)
- Pilot control valve (6-125)
  - Removing and installing the pilot control valve (6-125)
  - Pilot control valve components (6-125)
  - Pilot control valve components (6-127)
  - Disassembling the pilot control valve (6-128)
  - Assembling the pilot control valve (6-131)
  - Installing adapters for the pilot control valve (6-135)
- Inching valve (6-136)
  - Removing and installing the inching valve (6-136)
  - Inching valve components (6-138)
  - Disassembling the inching valve (6-139)
  - Installing adapter for the inching valve (6-139)
- Unload valve 6-
  - Removing and installing the unload valve (6-139)
  - Unload valve components (6-141)
  - Disassembling and assembling the unload valve (6-142)
  - Installing adapters for the unload valve (6-144)
- Hydraulic oil cooler (6-145)
  - Removing and installing the hydraulic oil cooler (6-145)
- Hydraulic oil tank (6-145)
  - Removing and installing the hydraulic oil tank (6-145)
  - Hydraulic oil tank components (6-148)
  - Installing adapters for the hydraulic oil tank (6-149)
- Hydraulic cylinder (6-150)
  - Hydraulic cylinder components (6-150)
  - Disassembling the hydraulic cylinder (6-153)
  - Assembling the hydraulic cylinder (6-155)
  - Disassembling and assembling the spherical bushing of the lift arm cylinder (6-157)
  - Measuring the hydraulic cylinder (6-160)
- Hydraulic hose
- Hydraulic hose (6-161)
  - Metal fittings of hydraulic hoses (6-161)
  - Suction and drain hose routing (6-162)
  - Front hose routing (6-164)
  - Delivery hose routing (6-165)
  - Pilot hose routing (6-166)
  - Steering hose routing (6-167)
  - Brake hose routing (6-168)

7. POWER TRAIN

MECHANISM (7-1)
- Travel system general description (7-2)
- Differential lock system general description (7-3)
- Brake system general description (7-4)
- Front axle specifications (7-4)
- Front axle specifications (7-5)
- Front axle function and structure (7-5)
  - Front axle working principles (7-5)
- Rear axle specifications (7-7)
- Rear axle function and structure (7-7)
  - Rear axle working principles (7-7)
  - Parking brake working principles (7-9)
  - Service brake working principles (7-11)
- Propeller shaft specifications (7-12)
- Master cylinder specifications (7-13)
Parking brake solenoid valve and differential lock solenoid valve specifications (7-14)
SERVICING (7-15)
- Power train troubleshooting (7-15)
- Service specification for power train (7-16)
- Measuring the parking brake release pressure (7-16)
- Measuring the differential lock pressure (7-17)
- Front axle (7-17)
  - Removing and installing the front axle (7-17)
  - Front axle components (7-19)
  - Disassembling and assembling the front axle case (7-22)
  - Disassembling and assembling the front flange case (7-28)
  - Disassembling and assembling the front differential (7-34)
- Rear axle (7-39)
  - Removing and installing the rear axle (7-39)
  - Rear axle components (7-42)
  - Disassembling and assembling the rear axle case (7-47)
  - Disassembling and assembling the transfer case (7-47)
  - Disassembling and assembling the rear differential (7-56)
  - Disassembling and assembling the service brake (7-61)
- Propeller shaft (7-76)
  - Removing and installing the propeller shaft (7-76)
- Brake pedal (7-76)
  - Removing and installing the brake pedal (7-76)
- Inching cable (7-76)
- Inching cable (7-78)
  - Removing and installing the inching cable (7-78)
- Master cylinder (7-79)
  - Removing and installing the master cylinder (7-79)
- Parking brake solenoid valve and differential lock solenoid valve (7-80)
  - Removing and installing the parking brake solenoid valve and differential lock solenoid
  - Disassembling and assembling the parking brake solenoid valve and differential lock
  - Installing adapter for the parking brake solenoid valve and differential lock solenoid valve..7-81

8. ELECTRICAL SYSTEM

MECHANISM (8-1)
- Electrical device layout (8-1)
- Switch layout (8-4)
- Fuse and relay layout (8-6)
- Slow blow fuse layout (8-8)
- Communication port layout (8-6)
- Communication port layout (8-8)
- Ground wiring layout (8-8)
- Power supply electrical circuit diagram (cabin specification) (8-10)
- Power supply electrical circuit diagram (canopy specification) (8-12)
- Accessory electrical circuit diagram (8-14)
- Battery charge electrical circuit diagram (8-15)
- Engine start electrical circuit diagram (8-16)
- Engine stop electrical circuit diagram (8-17)
- Hydraulic unlock electrical circuit diagram (8-18)
- AUX operation electrical circuit diagram (8-19)
- Hydraulic quick coupler operation electrical circuit diagram (8-20)
- Float electrical circuit diagram (8-21)
- Headlight electrical circuit diagram (8-22)
- Work light electrical circuit diagram (8-24)
- Wiper and washer motor electrical circuit diagram (cabin specification) (8-25)
- Turn signal switch electrical circuit diagram
- Turn signal switch electrical circuit diagram (8-27)
- Hazard switch electrical circuit diagram (8-28)
- Beacon electrical circuit diagram (8-29)
- Parking brake electrical circuit diagram (8-30)
- Travel electrical circuit diagram (forward) (8-31)
- Travel electrical circuit diagram (backward) (8-32)
- Travel speed shift electrical circuit diagram (8-33)
- Differential lock electrical circuit diagram (8-34)
- Fuel indicator switch electrical circuit diagram (8-35)
- Meter panel function (8-36)
- Display mode (8-39)
- Operating normal mode (8-40)
- Operating user setting mode (8-40)
  - Operating periodic check mode (8-40)
  - Operating AUX flow rate setting mode (8-42)
  - Operating clock setting mode (8-42)
- Service dealer mode (8-43)
  - Service dealer mode list (8-43)
  - Operating service dealer mode (8-45)
  - Operating SET-1 (Tester mode) (8-46)
  - Operating SET-2 (Reading error history) (8-49)
  - Operating SET-3 (Clearing error history) (8-49)
  - Operating SET-4 (Dealer setting) (8-49)
  - Operating SET-4 (Dealer setting) (8-49)
  - Default settings for SET-4 (Dealer setting) (8-53)
SERVICING (8-55)
- Electrical troubleshooting (8-55)
- Error warning list (Red lamp) (8-56)
- Error warning list (Yellow lamp) (8-58)
- Engine system error (Red lamp) (8-58)
- Lamp warning list (8-61)
- Handling E:001 CAN communication error (8-62)
- Handling E:014 Hydraulic oil temperature error (8-63)
- Handling E:016 Fuel level sensor error (8-63)
- Handling E:018 Hydraulic oil temperature sensor error (8-65)
- Handling E:019 Accelerator sensor error (8-66)
- Handling E:022 Hydraulic unlock solenoid error (8-67)
- Handling E:023 Low speed hold solenoid error
- Handling E:023 Low speed hold solenoid error (8-68)
- Handling E:024 Differential lock solenoid error (8-70)
- Handling E:025 Parking brake solenoid error (8-71)
- Handling E:026 Direction control solenoid (forward) error (8-72)
- Handling E:027 Direction control solenoid (backward) error (8-73)
- Handling E:028 Direction control switch error (8-74)
- Handling E:029 AUX knob switch error (8-75)
- Handling E:031 AUX proportional solenoid RH error (8-76)
- Handling E:032 AUX proportional solenoid LH error (8-77)
- Handling E:033 Battery overcharging error (8-78)
- Handling E:034 5 V short error (8-79)
- Handling E:036 CRS CAN communication error (8-80)
- Handling E:037 Parking brake system error (8-81)
- Handling E:9118 Engine oil pressure error (8-83)
- Handling E:9119 Battery charging error (8-85)
MECHANISM (9-1)
- Compressor specifications (9-3)
- Compressor function and structure (9-5)
  - Compressor working principles (9-5)
  - Magnetic clutch pulley (9-5)
  - Safety valve (9-5)
  - Temperature switch (9-6)
- Air conditioning unit specifications (9-7)
- Air conditioning unit function and structure (9-8)
  - Evaporator (9-8)
  - Heater core (9-8)
  - Blower (9-8)
  - Blower resistor (9-8)
  - Expansion valve (9-9)
  - Thermostat (9-9)
  - Servomotor (9-9)
- Condenser specifications (9-10)
- Condenser function and structure (9-10)
- Receiver specifications
- Receiver specifications (9-10)
- Receiver function and structure (9-11)
- Pressure switch specifications (9-11)
- Pressure switch function and structure (9-11)
SERVICING (9-13)
- Air conditioning and heater troubleshooting (9-13)
- Service specifications for air conditioning and heater system (9-17)
- Checking the refrigerant liquid (9-17)
- Measuring the refrigerant gas pressure (9-17)
- Checking the fan switch (9-19)
- Measuring the magnetic clutch pulley air gap (9-19)
- Checking the blower resistor 9- (9-19)
- Checking the blower resistor (9-20)
- Compressor (9-20)
  - Removing and installing the compressor (9-20)
- Air conditioning unit (9-22)
  - Removing and installing the air conditioning unit (9-22)
- Condenser (9-30)
  - Removing and installing the condenser (9-30)
- Receiver (9-31)
  - Removing and installing the receiver (9-31)
- Air conditioning and heater hoses (9-33)
  - Air conditioning and heater hose routing (9-33)

10. APPENDICES

APPENDICES (10-1)
- Service specifications for machine body (10-1)
- Service specifications for engine (10-2)
- Service specifications for
- Service specifications for hydraulic system (10-2)
- Service specification for power train (10-3)
- Service specifications for air conditioning and heater system (10-4)
- Service dealer mode (10-4)
  - Tester mode list (10-4)
  - Default settings for SET-4 (Dealer setting) (10-7)
- Wire harness (10-13)
ABBREVIATIONS
DANGER
WARNING
CAUTION
IMPORTANT
1-2 R640
1-4 R640
SAFETY LABELS
1-6 R640
1-8 R640
1-10 R640
1-12 R640
GENERAL WORKING INSTRUCTIONS
• T
2-2 R640

Delivery (Instant Download)

This manual is supplied as a digital PDF file and is available for instant download after purchase. No physical media is shipped.

References

Kubota Workshop Manual for KUBOTA WHEEL LOADER R640, document code RY911-29596, PDF edition.

Kubota Wheel Loader R640 Workshop Manual — RY911-29596