Kubota KX057-4 U55 U55-4 Excavator Workshop Manual 2010 – Full Service & Repair Guide PDF

Description

Kubota KX057-4 U55 U55-4 Excavator Workshop Manual 2010

This is the complete Kubota KX057-4, U55, and U55-4 mini excavator workshop manual, published in 2010. It is the same comprehensive service document used by professional technicians to maintain, diagnose, and repair these machines. Whether you are servicing the engine, troubleshooting the hydraulic system, or rebuilding a travel motor, this manual provides the procedures, specifications, and illustrations needed to get the job done correctly.

File Details

• Manual Type: Workshop Manual
• Brand: Kubota
• Models Covered: KX057-4, U55, U55-4
• Engine Model: V2607-DI-E3-BH (North America/Canada), V2607-DI-E3-BH-5 (Australia)
• Language: English
• Page Count: 739
• File Format: PDF
• Publication Date: 2010
• Document Code: RY911-20510
• Publisher: Kubota Corporation, Construction Machinery Division

Chapters Covered

• General
  • Checking Backhoe Identification
  • Engine Identification (Model Name, Serial Number, E3B Engine, Cylinder Number)
  • General Precautions
  • Handling Precautions for Electrical Parts and Wiring
  • Tightening Torques
  • New Product Feature and New Features Outline
  • Quality Specifications
  • Water and Oil Quantity
  • Description of Parts
  • Maintenance Check List
• Machine Body
  • Front Operating Machine (Blade, Front Pin)
  • Upper Swivel (Weight, Canopy, Fuel Tank, Hydraulic Oil Tank, Engine, Operating Levers)
  • Chassis (Swivel Bearing, Track, Front Idler, Spring Assembly, Cylinder Assembly, Track Roller, Carrier Roller)
• Engine
  • General (Engine Specifications, Performance Curve, Dimensions, Special Tools)
  • Mechanism (Engine Body, Lubricating System, Cooling System, Fuel System)
  • Servicing (Troubleshooting, Servicing Specifications, Tightening Torques, Checking/Disassembling/Servicing)
• Hydraulic System
  • Mechanism (Hydraulic Circuit Diagram, Device Layout, Features, Pump, Control Valve, Swivel Motor, Travel Motor, Hydraulic Cylinder, Pilot Valve, Unload Valve, Proportional Valve, Service Port)
  • Servicing (Pump, Control Valve, Swivel Motor, Swivel Joint, Travel Motor, Hydraulic Cylinder, Pilot Valves, Unload Valve, TPSS Valve, Third Line Valve, Hose Routing, Performance Measurement, Troubleshooting)
• Electrical System
  • Electronic Device Layout
  • Wiring Circuit
  • Troubleshooting (Start-Up Equipment Version)
  • Inspections (Power and Ground, Starting and Stopping Device)
  • Meter Panel Operation Procedures
  • Troubleshooting (Meter Panel Edition)
• Cabin
  • Mechanism (Air Conditioning System, Wiper)
  • Servicing (Troubleshooting, Maintenance and Service Related Specifications, Torque, Refrigerant System Repairs, Inspecting and Charging the Refrigerant System, Inspection and Disassembly, Cabin Removal and Mounting, Window Washer, Lighting Devices, Removal and Installation of Glass, Front Window)

What This Workshop Manual Provides

The Kubota KX057-4 U55 U55-4 workshop manual is divided into three major sections: General, Mechanisms, and Service. The General section covers identification numbers, safety precautions, maintenance schedules, inspection items, and special tools. The Mechanisms section explains how each system is constructed and how it functions — essential reading before any disassembly or troubleshooting work. The Service section contains the actual procedures: troubleshooting guides, service specification tables, torque values, inspection and adjustment procedures, disassembly and assembly steps, and usage limits.

IMAGES PREVIEW

For the engine, this manual covers the V2607-DI-E3 series diesel engine in full. You get compression pressure testing, valve clearance adjustment, injection timing procedures, fuel system diagnostics, cooling system service, and complete disassembly/assembly instructions for the cylinder head, piston, crankshaft, and timing gears. The E3B emissions-related content is included, with guidance on using the correct replacement parts for these regulated engines.

The hydraulic section is exceptionally detailed. It begins with the complete hydraulic circuit diagram and device layout, then explains the 3-pump load sensing system, the bleed system for load pressure detection, the automatic speed reduction function on the travel motor, and the oil pressure pilot system used for all operations. Individual components — pump, control valve, swivel motor, travel motor, cylinders, pilot valves, unload valve, and proportional valve — each have their own specifications, component breakdowns, function explanations, and service procedures. The hose routing tables alone are a massive reference, covering every high-pressure, low-pressure, and pilot hose with part numbers, lengths, fitting types, and routing notes for both standard and angle blade specifications.

The electrical system section includes the electronic device layout, wiring circuit precautions, connector handling, and detailed troubleshooting for both the start-up equipment version and the meter panel edition. The meter panel operation procedures cover everything from basic hour meter and clock settings to anti-theft registration, AUX port configuration, and service dealer settings. Troubleshooting sections for the meter panel include engine oil pressure errors, charging system errors, fuel sensor errors, water temperature sensor errors, lever lock system errors, travel 2-speed system errors, auto idling system errors, anti-theft system errors, power supply system errors, CAN communication errors, and AUX system errors.

The cabin section covers the air conditioning system in complete detail — structure, compressor operation, magnetic clutch, safety valve, temperature sensor, evaporator, heater core, blower, expansion valve, fin thermistor, hot water valve, servo motor, condenser, receiver, pressure switch, and electrical circuits. Wiper and window washer systems are also fully covered, along with glass removal and installation procedures and front window adjustment.

Who This Manual Is For

This Kubota excavator workshop manual is written for service personnel, but it is equally valuable for anyone who owns or operates a KX057-4, U55, or U55-4 and wants to perform their own maintenance and repairs. The procedures are written clearly enough for a competent mechanic to follow, and the specifications are precise enough for professional diagnostics. If you are doing a full engine rebuild, a hydraulic pump overhaul, or tracking down an electrical fault in the meter panel, the relevant section is here.

The manual covers both North American/Canadian models (KX057-4 and U55 with the V2607-DI-E3-BH engine) and Australian models (KX057-4 and U55-4 with the V2607-DI-E3-BH-5 engine). Quality specifications are provided separately for US/CA and AU versions, so you can be sure you are working to the correct values for your machine.

Why This Manual Matters

Mini excavators like the KX057-4 and U55 are complex machines with tightly integrated hydraulic and electrical systems. Guessing at torque values, using the wrong hydraulic oil, or skipping a diagnostic step can lead to expensive damage. This Kubota KX057-4 U55 U55-4 repair manual eliminates the guesswork. It gives you the exact tightening torques, the correct service limits, the proper adjustment procedures, and the troubleshooting flowcharts that Kubota technicians use.

The hydraulic hose routing tables and pilot hose routing diagrams are particularly valuable. When you need to replace a hose or trace a leak, you have the exact part number, length, fitting type, and routing path for every hose on the machine, for both standard and angle blade configurations. The electrical connector layouts and terminal signal tables for the main ECU connector are similarly detailed, making electrical diagnostics far faster.

Get Your Copy Instantly

This Kubota KX057-4 U55 U55-4 workshop manual is delivered as an instant PDF download. There is no shipping, no waiting, and no physical book to keep track of. You can access it on any device — laptop, tablet, or smartphone — and print whichever pages you need for the job at hand. Whether you are in the shop, in the field, or at the kitchen table planning tomorrow’s repair, the manual is there when you need it.

If you own a KX057-4, U55, or U55-4, this is the single most important reference document you can have. It covers every major system, every service procedure, and every specification you need to keep your excavator running correctly. Order now and get instant access.