Kubota U-10 U-20 U-35 U-45 Excavator Workshop Manual – Full Service & Repair PDF

Description

Kubota U-10 U-20 U-35 U-45 Excavator Workshop Manual

This Kubota U-10, U-20, U-35 and U-45 excavator workshop manual is the complete technical resource for servicing, repairing and maintaining the U-Series mini excavators. Whether you are a professional technician, a fleet maintenance manager or an owner-operator who insists on doing the job right, this 911-page manual delivers the procedures, specifications and system explanations needed to keep these machines working reliably.

The manual covers the full machine: chassis and upper structure, front attachment, engine, hydraulic system, electrical system, and all major component groups. Each system is documented with mechanism descriptions, service procedures, disassembly and reassembly steps, inspection criteria, testing methods and troubleshooting guidance. This is the level of detail that generic repair guides simply cannot match.

File Details

• Manual type: Workshop Manual (Service and Repair)
• Brand: Kubota
• Models covered: U-10, U-20, U-35, U-45
• Document number: 97899-60501
• Language: English, French, German
• Page count: 911
• File format: PDF

Chapters Covered

The manual is organised into logical sections covering the complete machine:

• General Information
  • Body and engine identification marks
  • Safety precautions for servicing
  • Precautions for disassembly and reassembly
  • Important safety parts and critical functional parts
  • Important inspection items
  • Servicing fundamentals
  • Periodic inspection and servicing table
  • General specifications
  • Transporting and lifting
• Machine Body (Mechanism)
  • General layout
  • Front attachment
  • Telescopic frame / telescopic dozer blade
  • Function of telescopic frame
  • Service specifications of rubber track
  • TOPS/FOPS cab
  • Seat belt
• Machine Body (Service)
  • Specifications and dimensions
  • Lever stroke and operating force
  • Table of maintenance standards
  • Parts specification
  • Front attachment removal and reassembly
  • Front hose connections
  • Electrical wiring in front attachment
  • Service port pedal
  • Bucket pin clearance adjustment
  • Upper structure – swivel bearing, control lever and cable/pedal
  • Lower structure – track frame, swivel bearing, track tension device, track shoe installation, track roller
  • Swivel bracket
• Engine (Mechanism)
  • Features – low noise, exhaust gas control, specifications
  • Cooling system
  • Fuel system – fuel line, fuel filter, water separator, electromagnetic fuel feed pump, injection pump, injection nozzle, governor
  • Engine performance curve
• Engine (Service)
  • Troubleshooting
  • Engine assembly
  • Maintenance standards
  • Important tightening torque table
  • Checking and adjusting – engine body, lubrication system, fuel system, air cleaner, muffler, radiator and water pipe
• Hydraulic System (Mechanism)
  • Hydraulic component specifications
  • Hydraulic components layout, flow and circuit diagrams for U-10, U-20, U-35, U-45
  • Hydraulic system specifications
  • Breaker application compatibility
  • Hydraulic component function and structure – main pump, control valve, pilot valve, change valve, swivel motor, wheel motor, hydraulic cylinder
  • Service port
  • Oil cooler
• Hydraulic System (Service)
  • Troubleshooting – common circuit, front attachment, swivel circuit, travel circuit, track width adjustment
  • Testing – testing instruments, control valve configuration, pilot pressure, main relief valve, overload relief valve, swivel brake valve pressure, motor drain amounts, swivel slipping, motor block performance, cylinder speeds and operating forces
  • Specifications – relief pressure settings, pump performance, cylinder, swivel performance, travel performance, service port, oil cooler, change valve, pilot valve
  • Disassembling and reassembling – main pump, control valve and relief valve, pilot valve, change valve, swivel motor, swivel joint, wheel motor, cylinder, hose
• Electrical System (Mechanism)
  • Electrical circuit diagrams for U-10, U-20, U-35, U-45
  • Electrical components layout
  • Electrical current flow charts – glow, switch turn on, engine start, charging circuit, safety lever lock circuit, warning circuits, engine stop circuit
  • Electrical equipment – battery, alternator, starter, glow plug, oil switch, thermostat unit, fuel unit, horn, fuel pump, solenoids
  • Structure and functions – starter switch, fuel pump, alternator, glow lamp timer, engine stop timer relay, engine stop solenoid, oil pressure switch, fuel sensor
• Electrical System (Service)
  • Troubleshooting
  • Electrical wiring – precautions and wiring harness layouts for U-10, U-20, U-35, U-45
• Conversion Tables
  • Length, area, volume, flow, force, stress, pressure, work, torque, velocity, temperature

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What This Manual Gives You

This Kubota U-10, U-20, U-35 and U-45 workshop manual is not a general guide – it is a system-by-system technical reference created for the machines it covers. Every major assembly is documented with the mechanism, service procedures, tightening torques, wear limits, testing methods and troubleshooting flowcharts that factory-trained technicians use.

For hydraulic work, you get complete circuit diagrams, control valve cross-sections, relief valve pressure settings, pump performance data, motor drain specifications and disassembly/reassembly sequences for every hydraulic component. For engine work, you have troubleshooting charts, compression pressures, valve clearances, injection timing procedures, fuel system component details and governor operation. For electrical diagnostics, you have full wiring diagrams, current flow charts and testing procedures for every electrical component.

The manual also includes a comprehensive periodic inspection and servicing table, maintenance standards with wear limits, component weights, recommended oils and lubricants, tightening torque tables with adhesive specifications, and noise level data.

Why This Manual Matters

Working on compact excavators without the correct procedures and specifications is a recipe for repeat failures, damaged components and unnecessary downtime. Torque values, wear limits, pressure settings and adjustment procedures are not generic – they are specific to the Kubota U-Series. This manual gives you those exact values and procedures.

Whether you are resealing a hydraulic cylinder, adjusting track tension, diagnosing an electrical fault, rebuilding a travel motor or performing routine maintenance, having the complete workshop manual means you can work with confidence instead of guesswork.

Delivery

This Kubota U-Series excavator workshop manual is delivered as an instant PDF download. No shipping, no waiting for a physical book to arrive. Access it immediately after purchase on any device – computer, tablet or smartphone. Print the pages you need for the workshop floor, or keep the entire 911-page manual on your device for quick reference.